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197 Vetted Tools • 7,045,274 GitHub Stars

Best Open Source Developer Tools Software

Browse 197 production-ready, self-hostable open-source tools in Developer Tools. Eliminate per-seat SaaS costs, retain complete data ownership, and claim $100K+ in startup cloud hosting credits.

Zero Per-Seat Licensing 100% Self-Hostable Cloud Credits Compatible

Top Open-Source Developer Tools Software Compared

Direct overview of top-ranked solutions by community stars and license

Tool Name GitHub Stars License Replaces Proprietary Details
CodeZero ★ 209,291 MIT Zoho Flow, Azure Logic Apps View Stack →
Windmill ★ 209,291 Open Source Make, Zapier View Stack →
ActivePieces ★ 209,291 MIT Make, Zapier View Stack →
Automatisch ★ 209,291 Open Source Make, Zapier View Stack →
Automa ★ 209,291 Open Source Make, Zapier View Stack →

All 197 Developer Tools Open Source Tools

Ranked by GitHub community stars & active adoption

197 Tools
CodeZero logo

CodeZero

MIT
209,291 stars

Open-source no-code automation platform for logistics, chatbots, and AI agents. Deploy on cloud, self-host, or hybrid with complete data sovereignty and…

Replaces: Zoho Flow Azure Logic Apps
Windmill logo

Windmill

Open Source
209,291 stars

Powerful, self-hosted platform for building and running workflows, scripts, and apps with code-first approach and collaborative features.

Replaces: Make Zapier Retool
ActivePieces logo

ActivePieces

MIT
209,291 stars

Open-source integration platform for seamless workflow automation. Connect apps, automate tasks, and boost productivity effortlessly.

Replaces: Make Zapier Pipedream
Automatisch logo

Automatisch

Open Source
209,291 stars

Self-hosted automation tool that connects your apps and services, enabling powerful integrations and efficient data flow across your ecosystem.

Replaces: Make Zapier Pipedream
Automa logo

Automa

Open Source
209,291 stars

No-code platform for building AI agents and RPA workflows that automate repetitive business tasks across finance, HR, sales, and operations.

Replaces: Make Zapier Appian
Orca logo

Orca

MIT
112,000 stars

Agent Development Environment that runs Claude Code, Codex, Gemini, and other CLI agents in parallel across isolated git worktrees, with terminals, browser…

Replaces: Codex Warp Kiro
Paperclip logo

Paperclip

MIT
109,000 stars

Manages teams of AI agents across business functions with org charts, goal alignment, cost tracking, ticket tracing, and board-level governance controls.

Replaces: Claude Managed Agents Relevance AI Lindy
Zed logo

Zed

GPL-3.0
103,287 stars

A Rust-built code editor from the creators of Atom and Tree-sitter, combining native performance with multiplayer collaboration and deep AI integration.

Replaces: Cursor Antigravity Kiro
Athas logo

Athas

AGPL-3.0
92,495 stars

Open-source code editor for macOS, Windows, and Linux that puts coding agents, terminal, Git, and GitHub in a single window.

Replaces: Cursor Antigravity Kiro
CodeEdit logo

CodeEdit

MIT
92,495 stars

A lightweight, natively built editor. Open source and free forever. Develop any project using any language at speeds like never before.

Replaces: Cursor Antigravity Kiro
Neovim logo

Neovim

Open Source
92,495 stars

A modernized Vim fork with built-in LSP, Lua scripting, Tree-sitter parsing, and an async plugin architecture that works the same across every platform.

Replaces: Cursor JetBrains Visual Studio Code
Firecamp logo

Firecamp

AGPL-3.0
80,717 stars

All-in-one platform for API testing, documentation, and collaboration, simplifying the entire API development lifecycle.

Replaces: Postman Testfully
Bruno logo

Bruno

MIT
80,717 stars

A modern, user-friendly API client that simplifies API testing and development with a clean interface and powerful features.

Replaces: Postman Apidog Kreya
Chapar logo

Chapar

BSD-3-Clause
80,717 stars

Cross-platform API client offering fast, secure, and offline testing for REST and gRPC services. Available on macOS, Windows, and Linux with intuitive design.

Replaces: Postman Apidog Kreya
HTTPie logo

HTTPie

BSD-3-Clause
80,717 stars

Intuitive, user-friendly CLI tool for making HTTP requests, debugging APIs, and testing web services with ease and efficiency.

Replaces: Postman Testfully
Insomnia logo

Insomnia

Apache-2.0
80,717 stars

Intuitive API client for REST, GraphQL, and gRPC. Debug, test, and collaborate on APIs with ease across platforms.

Replaces: Postman Apidog Kreya
Requestly logo

Requestly

AGPL-3.0
80,717 stars

A powerful browser extension and desktop app for developers to manipulate network requests, debug APIs, and improve web app testing

Replaces: Postman Testfully
Voiden logo

Voiden

Apache-2.0
80,717 stars

Offline-first API workspace that unifies specs, docs, tests, and mocks in programmable Markdown blocks. Version control everything in plain text files.

Replaces: Postman Apidog Testfully
Yaak logo

Yaak

MIT
80,717 stars

A modern API client offering local-only data storage, Git integration, plugin extensibility, and multi-protocol support for developers.

Replaces: Postman Apidog Kreya
OpenBB Terminal logo

OpenBB Terminal

Open Source
75,019 stars

Open Data Platform for analysts, quants and AI agents.. Investment research for everyone

Replaces: Bloomberg
Chartbrew logo

Chartbrew

MIT
74,994 stars

A powerful, open-source platform for building interactive dashboards and charts from multiple data sources without coding.

Replaces: Power BI Tableau Looker
Directus logo

Directus

Open Source
73,421 stars

A versatile headless CMS and API engine that simplifies data management, content creation, and application development.

Replaces: WordPress Sanity Storyblok
KeystoneJS logo

KeystoneJS

MIT
73,421 stars

A powerful, customizable content management system and application framework built on Node.js, GraphQL, and React

Replaces: WordPress Sanity Storyblok
Webiny logo

Webiny

MIT
73,421 stars

A powerful, scalable platform for building custom websites and apps with serverless architecture, offering flexibility and cost-efficiency.

Replaces: WordPress Webflow Wix
Goose logo

Goose

Apache-2.0
71,171 stars

Local AI agent with a desktop app, CLI, and API that connects to 15+ LLM providers and 70+ extensions for code, research, automation, and data tasks.

Replaces: Claude Code Codex
Codex CLI logo

Codex CLI

Apache-2.0
71,171 stars

Terminal-based AI coding agent that inspects files, edits code, runs commands, and integrates into CI pipelines using OpenAI's Codex models.

Replaces: Claude Code Cursor GitHub Copilot
Grok Build logo

Grok Build

Apache-2.0
71,171 stars

Terminal-based coding agent powered by Grok 4.5 that plans, builds, tests, and deploys across any codebase with parallel subagents and plugin support.

Replaces: Claude Code Codex Warp
Open Interpreter logo

Open Interpreter

Apache-2.0
71,171 stars

Coding agent that lets LLMs write and execute code, manage files, and control your computer using local or low-cost models.

Replaces: Claude Code Codex Devin
OpenCode logo

OpenCode

MIT
71,171 stars

Open source AI coding agent that works in your terminal, IDE, or desktop app, supporting 75+ LLM providers with no code storage.

Replaces: Claude Code Codex Antigravity
OpenHands logo

OpenHands

MIT
71,171 stars

AI agent platform that runs autonomous coding agents to plan, write, and ship changes across codebases end-to-end, with support for any model and self-hosted…

Replaces: Claude Code Codex Qoder
pi logo

pi

MIT
71,171 stars

Terminal-based coding agent with a minimal core, 15+ LLM providers, tree-structured session history, and a TypeScript extension system for building your own…

Replaces: Claude Code Codex Antigravity
Qwen Code logo

Qwen Code

Apache-2.0
71,171 stars

Terminal-based AI coding agent that reads your codebase, edits files and runs commands, with support for Qwen, OpenAI, Anthropic, Gemini and local models.

Replaces: Claude Code Codex Cursor
SWE-agent logo

SWE-agent

MIT
71,171 stars

State-of-the-art AI agent that uses language models like GPT-4o to autonomously solve GitHub issues, fix bugs, and implement features with configurable YAML…

Replaces: Devin Zencoder Factory
Zero logo

Zero

MIT
71,171 stars

Open-source AI coding agent for the terminal that works with 25+ model providers, keeps sessions on your disk, and ships as a single Go binary with no…

Replaces: Claude Code Codex Antigravity
Cline logo

Cline

Apache-2.0
71,000 stars

AI coding agent that runs inside VS Code and the terminal, supporting multi-file edits, bash execution, and any LLM provider via bring-your-own-key.

Replaces: Claude Code Codex Cursor
Ghostty logo

Ghostty

MIT
66,100 stars

Experience blazing-fast terminal performance with GPU acceleration and platform-native UI. Cross-platform compatibility meets modern design.

Replaces: Warp Terminal
WaveTerm logo

WaveTerm

Apache-2.0
65,818 stars

Enhance your terminal with AI, file previews, and web browsing. Available on MacOS, Linux, and Windows.

Replaces: Warp Terminal SoloTerm
Baserow logo

Baserow

MIT
65,398 stars

Open-source platform for building databases, internal apps, and automated workflows without writing code. Available on cloud or self-hosted.

Replaces: Airtable Microsoft Excel Google Sheets
NocoBase logo

NocoBase

Open Source
65,398 stars

Open-source no-code platform for creating tailored business applications quickly, with full customization and easy deployment options.

Replaces: Airtable Power Apps Retool
Budibase logo

Budibase

Open Source
65,398 stars

Low-code platform for creating custom business applications quickly. Design, automate, and deploy with ease.

Replaces: Power Apps Retool Glide
Undb logo

Undb

Open Source
65,398 stars

Build and manage custom databases with ease, create type-safe APIs, and develop applications quickly

Replaces: Supabase Airtable Firebase
Alacritty logo

Alacritty

Apache-2.0
63,162 stars

Modern cross-platform terminal emulator with OpenGL acceleration, extensive configuration options, and vi mode support for enhanced productivity.

Replaces: Warp Terminal
iTerm 2 logo

iTerm 2

GPL-2.0
63,162 stars

Feature-rich terminal replacement for macOS with split panes, search, autocomplete, and extensive customization options for enhanced productivity.

Replaces: Warp Terminal
Kitty logo

Kitty

GPL-3.0
63,162 stars

High-performance terminal emulator with GPU acceleration, graphics support, and advanced scripting capabilities for developers and system administrators.

Replaces: Warp Terminal
WezTerm logo

WezTerm

MIT
63,162 stars

Cross-platform terminal emulator and multiplexer with GPU acceleration, true color support, and Lua configuration. Runs on Linux, macOS, Windows, FreeBSD, and…

Replaces: Warp Terminal
Grida logo

Grida

Apache-2.0
61,963 stars

Design and build web applications on an open canvas with AI-powered tools, Figma integration, pixel drawing, and a modular SDK built for extensibility.

Replaces: Figma pen.dev Framer
It's a Plan logo

It's a Plan

AGPL-3.0
61,817 stars

Self-hosted issue tracker with boards, timelines, initiatives and dashboards, where AI agents take assigned issues like teammates. AGPL-3.0, no per-seat fees.

Replaces: Linear Jira ClickUp
Appwrite logo

Appwrite

BSD-3-Clause
61,614 stars

Open-source development platform with built-in backend infrastructure, web hosting, and security features. Scale applications using your preferred programming…

Replaces: Supabase Vercel Firebase
Supabase logo

Supabase

Apache-2.0
61,614 stars

Provides a full backend stack built on Postgres: authentication, auto-generated APIs, edge functions, realtime subscriptions, file storage, and vector search.

Replaces: Firebase Fauna AppWrite
GitLab logo

GitLab

MIT
58,808 stars

A comprehensive AI-powered DevSecOps platform that integrates development, security, and operations, streamlining software delivery and enhancing productivity.

Replaces: GitHub GitHub Actions Jenkins
Forgejo logo

Forgejo

Open Source
58,808 stars

Self-hosted software forge offering GitHub-like features with minimal resources. Easy installation, low maintenance, and 100% free software for secure project…

Replaces: GitHub Bitbucket
Gogs logo

Gogs

MIT
58,808 stars

Lightweight, cross-platform Git service for self-hosting. Easy installation, minimal requirements, runs on Raspberry Pi. 100% open source and free.

Replaces: GitHub Bitbucket
WordPress logo

WordPress

Open Source
55,650 stars

A versatile, user-friendly platform for building and managing websites, from simple blogs to complex e-commerce stores.

Replaces: Substack Framer Squarespace
ProcessWire logo

ProcessWire

Open Source
55,650 stars

A versatile, open-source content management system with a powerful API, modular architecture, and intuitive interface for seamless web development.

Replaces: Sanity
Comma logo

Comma

Open Source
55,650 stars

Free site builder to create a personal website with articles, projects, email capture, and analytics. Open source, fast, and beautifully designed.

Replaces: WordPress Substack Telegraph
Financial Freedom logo

Financial Freedom

Open Source
54,204 stars

Self-hosted alternative to Mint and YNAB for budgeting and building wealth while maintaining full control of your financial data.

Replaces: YNAB Monarch Money Mint
Forgecode logo

Forgecode

Apache-2.0
49,883 stars

AI coding harness that runs inside your terminal, mixes LLMs per task, and uses multi-agent architecture to handle large codebases without bloating context.

Replaces: Claude Code Codex Cursor
Tabby logo

Tabby

Apache-2.0
49,883 stars

Self-hosted AI coding assistant that enhances productivity with context-aware suggestions and privacy-focused implementation.

Replaces: Codex Cursor Kiro
Hoppscotch logo

Hoppscotch

MIT
47,978 stars

Lightweight, fast, and feature-rich API client for developers. Test, debug, and document APIs with ease in a clean, modern interface.

Replaces: Postman Apidog Kreya
Gitea logo

Gitea

MIT
47,910 stars

A lightweight, fast, and customizable Git service that simplifies code hosting and collaboration for teams of all sizes.

Replaces: GitHub BitBucket Upsource
Builder logo

Builder

MIT
45,607 stars

Drag-and-drop interface for creating and optimizing digital experiences, with headless CMS and powerful integrations.

Replaces: WordPress Webflow Wix
AppSmith logo

AppSmith

Apache-2.0
41,167 stars

Low-code platform for creating powerful internal tools and dashboards with drag-and-drop ease, robust integrations, and customizable workflows.

Replaces: Make Power Apps Retool
Convertigo logo

Convertigo

AGPL-3.0
41,167 stars

Full-stack open source platform combining no-code and low-code studios to build, deploy, and integrate web, mobile, and desktop business applications.

Replaces: Power Apps Retool Mendix
TipTap logo

TipTap

MIT
39,000 stars

A customizable, open-source rich text editor framework for modern web applications, built on Vue and Prosemirror

Replaces: Froala CKEditor
Semaphore logo

Semaphore

Open Source
38,782 stars

Continuous integration and delivery platform offering faster builds, lower costs, and maintenance-free operations. Cut build times dramatically while reducing…

Replaces: GitHub Actions Jenkins CircleCI
Woodpecker CI logo

Woodpecker CI

Apache-2.0
38,782 stars

Open-source CI/CD platform using Docker containers for pipeline execution. Create multiple workflows, extend with plugins, and enjoy free lifetime access.

Replaces: GitHub Actions Jenkins CircleCI
Vvveb CMS logo

Vvveb CMS

AGPL-3.0
38,775 stars

Vvveb is a feature-rich open source CMS for building websites, blogs, and ecommerce stores with an intuitive drag-and-drop interface.

Replaces: WordPress Webflow Elementor
/dev/push logo

/dev/push

MIT
38,174 stars

Open source deployment platform that deploys apps directly from GitHub with zero-downtime, real-time logs, preview URLs, and support for Python, Node.js…

Replaces: Vercel Netlify Heroku
Coolify logo

Coolify

Apache-2.0
38,174 stars

Self-hostable deployment platform that lets you deploy apps, databases, and 280+ one-click services to any server via SSH, with Git integration and automatic…

Replaces: Vercel Netlify Cloudron
Dokku logo

Dokku

MIT
38,174 stars

A Docker-powered platform that lets you deploy Heroku-compatible applications via Git, with buildpack support and container isolation.

Replaces: Vercel Netlify Heroku
Dyrector logo

Dyrector

Apache-2.0
38,174 stars

Effortless container orchestration platform for seamless deployment, management, and monitoring of applications across multiple environments.

Replaces: Portainer Docker Desktop Heroku
Stormkit logo

Stormkit

GPL-3.0
38,174 stars

Self-hosted platform for web applications offering automated CI/CD pipelines, multiple environments, and Git integration - with 47% infrastructure cost savings.

Replaces: Vercel Netlify Heroku
Temps logo

Temps

Apache-2.0
38,174 stars

Self-hosted platform for small dev teams combining deployments, error tracking, analytics, session replay, uptime monitoring, and managed databases in one…

Replaces: Vercel Netlify Heroku
ZaneOps logo

ZaneOps

MIT
38,174 stars

Deploy apps, databases, and static sites in under 60 seconds. Self-hosted platform with Docker Swarm, free SSL, preview deployments, and zero downtime.

Replaces: Vercel Heroku Railway
Alokai logo

Alokai

MIT
37,042 stars

A comprehensive Frontend as a Service solution that helps developers create, deploy and manage enterprise ecommerce storefronts with ready integrations and…

Replaces: Shopify Adobe Commerce Magento
Vendure logo

Vendure

MIT
37,042 stars

A headless, API-first e-commerce framework built on Node.js with TypeScript, offering customization and scalability for online stores.

Replaces: Adobe Commerce Magento WooCommerce
Refine logo

Refine

MIT
36,000 stars

A React-based framework for rapid development of internal tools, admin panels, and dashboards with powerful data handling capabilities.

Replaces: Retool Appsheet Mendix
Continue logo

Continue

Apache-2.0
36,000 stars

Runs source-controlled AI checks on every pull request, enforcing your engineering standards as native GitHub status checks with suggested fixes.

Replaces: CodeRabbit Greptile Bugbot
T3 Code logo

T3 Code

MIT
35,000 stars

Advanced AI coding assistant that enhances development workflow with intelligent code suggestions, automated debugging, and seamless integration.

Replaces: Claude Code Codex Warp
Aider logo

Aider

Apache-2.0
33,921 stars

Terminal-based AI coding tool that lets you edit existing codebases or start new projects using LLMs like Claude, GPT, and DeepSeek.

Replaces: Claude Code Codex Cursor
Dokploy logo

Dokploy

Open Source
32,218 stars

Streamline your deployment process with Dokploy. Manage applications and databases on any VPS using Docker and Traefik for improved performance and security.

Replaces: Vercel Netlify Docker Desktop
Maybe logo

Maybe

Open Source
29,901 stars

Personal finance tracker that consolidates accounts, investments, and assets into a single net worth dashboard with goal tracking and projections.

Replaces: YNAB Monarch Money Mint
Zellij logo

Zellij

MIT
29,422 stars

A terminal multiplexer that organizes your workflow with intuitive layouts, tabs, and panes. Includes batteries for seamless terminal workspace management.

Replaces: Warp Terminal
Reflex logo

Reflex

Apache-2.0
29,000 stars

Build, iterate, and deploy full-stack web apps entirely in Python. Reflex combines an AI app builder, a full-stack framework, and one-click deployment in one…

Replaces: Lovable Replit Emergent
Mathesar logo

Mathesar

GPL-3.0
28,372 stars

A self-hosted tool that provides an intuitive, spreadsheet-style interface for viewing, editing, and querying PostgreSQL databases without technical expertise.

Replaces: Airtable Google Sheets Retool
NocoDB logo

NocoDB

AGPL-3.0
28,372 stars

Convert any database into a no-code platform with spreadsheet interface. Connect PostgreSQL/MySQL or use hosted database. Scale to millions of rows…

Replaces: Airtable Google Sheets Retool
Rowy logo

Rowy

Apache-2.0
28,372 stars

A low-code platform for creating robust backends, complete with a spreadsheet UI for easy data management and custom functions.

Replaces: Airtable Retool Glide
ToolJet logo

ToolJet

AGPL-3.0
28,372 stars

Open-source low-code platform for creating custom internal tools, dashboards, and admin panels with a drag-and-drop interface

Replaces: Retool Softr Mendix
Kilo logo

Kilo

MIT
28,000 stars

Open source AI coding agent with 500+ models, bring-your-own-key support, and specialized modes for writing, debugging, and planning code across IDEs and CLI.

Replaces: Claude Code Codex Cursor
Nordcraft logo

Nordcraft

Apache-2.0
27,072 stars

Visual web development engine combining design and development tools. Build immersive, interactive web experiences with component-based framework, real-time…

Replaces: Framer Webflow Elementor
Plasmic logo

Plasmic

MIT
27,072 stars

Open-source visual editor for building websites and web apps. Connect to any data source, design custom UIs, and ship production React code without leaving…

Replaces: Webflow Wix Squarespace
WebStudio logo

WebStudio

AGPL-3.0
27,072 stars

Powerful no-code platform for building responsive websites. Combines visual editing with full HTML/CSS customization.

Replaces: Webflow Wix Squarespace
Floci logo

Floci

MIT
27,000 stars

Run AWS services locally in development and CI without an account, quotas, or feature restrictions. MIT licensed, no telemetry.

Replaces: LocalStack Amazon Web Services
Deepset logo

Deepset

Apache-2.0
26,909 stars

Open-source AI orchestration framework for building context-engineered, production-ready LLM applications. Design modular pipelines and agent workflows with explicit control over retrieval, routing, memory, and generation. Built for scalable agents, RAG, multimodal applications, semantic search, and conversational systems.. NLP platform to build enterprise-grade semantic search

Replaces: AWS Kendra QnA Maker
Hook0 logo

Hook0

SSPL-1.0
25,324 stars

Self-hosted webhook solution for effortless event-driven communication between applications, enhancing system interoperability and automation.

Replaces: Zapier Pipedream IFTTT
n8n logo

n8n

Open Source
25,324 stars

Build automated workflows connecting 500+ apps, write custom code, and deploy AI agents with full visibility into every decision. Self-hostable or cloud.

Replaces: Make Zapier Pipedream
Harness logo

Harness

Apache-2.0
24,550 stars

Streamline code delivery with an open-source CI/CD platform featuring Git integration, fast pipelines, and hosted development environments.

Replaces: GitHub GitHub Actions Red Hat Ansible
Happy logo

Happy

MIT
24,000 stars

Orchestrates Claude Code, Codex, and Grok through a single desktop and mobile app, reusing the AI subscriptions you already pay for.

Replaces: Conductor SoloTerm
Paseo logo

Paseo

Apache-2.0
23,000 stars

Self-hosted orchestrator for coding agents like Claude Code, Codex, and Cursor, controlled from phone, desktop, web, or CLI.

Replaces: Claude Code Codex Cursor
Warp logo

Warp

AGPL-3.0
22,635 stars

Terminal built for running AI coding agents like Claude Code, Codex, and Gemini CLI, with shared context, interactive code review, and multi-session management.

Replaces: Terminal iTerm 2
Teable logo

Teable

AGPL-3.0
22,000 stars

Open-source platform combining powerful database capabilities with a user-friendly spreadsheet interface for efficient data management and collaboration.

Replaces: Airtable Microsoft Excel Google Sheets
Dyad logo

Dyad

Apache-2.0
22,000 stars

Create full-stack AI applications using any model or tool. Run entirely on your machine with complete privacy, flexibility, and control over your code.

Replaces: Lovable Replit Emergent
GitButler logo

GitButler

FSL-1.1-MIT
22,000 stars

GitButler is a powerful Git client that enables seamless work on multiple branches concurrently, enhancing your existing workflow.

Replaces: GitKraken GitHub Desktop Fork
GitComet logo

GitComet

AGPL-3.0
21,902 stars

Open source Git GUI for Linux, macOS, and Windows, built in Rust for speed on large repositories with full diff, merge, and history tooling.

Replaces: GitKraken GitHub Desktop Fork
Jina.ai logo

Jina.ai

Apache-2.0
21,851 stars

☁️ Build multimodal AI applications with cloud-native stack. Neural search framework for 𝙖𝙣𝙮 kind of data (including images)

Replaces: Algolia
Keploy logo

Keploy

Apache-2.0
19,000 stars

Captures real API traffic and dependency calls via eBPF to generate tests and mocks automatically, then replays them in CI to catch regressions before they…

Replaces: Postman TesterArmy Katalon
Hercules logo

Hercules

AGPL-3.0
18,974 stars

Hercules is the first open-source testing agent, enabling zero-code, zero-maintenance UI, API, security, accessibility, and visual validations.

Replaces: QA Wolf Functionize mabl
Hexabot logo

Hexabot

AGPL-3.0
18,313 stars

Build and run AI agents, agentic workflows, and multichannel automation on your own infrastructure, with memory, RAG, MCP tools, and full data control.

Replaces: Manychat Voiceflow Rasa
Langflow logo

Langflow

MIT
18,313 stars

Build, deploy, and iterate on AI agents, RAG applications, and MCP servers using a drag-and-drop visual interface backed by Python.

Replaces: Flowise Zapier
Typebot logo

Typebot

Open Source
18,313 stars

Design, build, and deploy interactive chatbots with a visual editor. Integrate easily and collect data effortlessly.

Replaces: Manychat Voiceflow Rasa
Zinc Labs logo

Zinc Labs

Open Source
17,930 stars

ZincSearch . A lightweight alternative to elasticsearch that requires minimal resources, written in Go.. Cloud native full text search

Replaces: Elastic Cloud
Neo4j logo

Neo4j

GPL-3.0
17,385 stars

Graphs for Everyone. Graph database platform

Replaces: TigerGraph Amazon Neptune
Krakend logo

Krakend

Apache-2.0
17,282 stars

High-performance, stateless API gateway built for microservices. Handle 80K+ requests/second with transparent pricing and enterprise-grade reliability.

Replaces: Kong Apigee Zuplo
Fusio logo

Fusio

Apache-2.0
17,282 stars

Open source API management platform that exposes databases as REST, routes microservice traffic, handles billing, and generates SDKs across multiple languages.

Replaces: Postman Apigee MuleSoft
Gravitee logo

Gravitee

Apache-2.0
17,282 stars

Full-lifecycle API management platform that unifies synchronous and asynchronous ecosystems. Manage APIs, event streams, and AI agents with enterprise…

Replaces: Postman Kong Apigee
Tyk logo

Tyk

Open Source
17,282 stars

Fast, scalable API management platform with open source gateway, analytics, dev portal and dashboard. Deploy anywhere with AI-ready governance and security.

Replaces: Kong Apigee Zuplo
UnKey logo

UnKey

AGPL-3.0
17,282 stars

Streamline API authentication with UnKey's powerful, developer-friendly platform for creating, revoking, and monitoring API keys.

Replaces: Kong Apigee Zuplo
Minio logo

Minio

Open Source
17,188 stars

Open source S3-compatible object storage optimized for cloud-native and AI applications, delivering unmatched performance and scalability

Replaces: Amazon S3 Cloudflare R2 Azure Blob Storage
Coder logo

Coder

AGPL-3.0
17,000 stars

Self-hosted development platform that enables secure, scalable remote coding with automated provisioning, reduced cloud costs, and enterprise-grade security.

Replaces: GitHub Codespaces Microsoft Dev Box OpenShift Dev Spaces
SeMI logo

SeMI

Open Source
16,934 stars

Weaviate is an open-source vector database that stores both objects and vectors, allowing for the combination of vector search with structured filtering with the fault tolerance and scalability of a cloud-native database​.. Real-time vector search engine

Replaces: Google Vertex AI Algolia
Amplication logo

Amplication

Open Source
16,011 stars

Amplication brings order to the chaos of large-scale software development by creating Golden Paths for developers - streamlined workflows that drive consistency, enable high-quality code practices, simplify onboarding, and accelerate standardized delivery across teams.. Backend server with REST and GraphQL APIs to manage core backend needs

Replaces: Firebase
AITable logo

AITable

AGPL-3.0
16,000 stars

AITable.ai offers a visual database platform that simplifies workflow automation and connects to over 6,000 apps through integrations like Zapier and Make.

Replaces: Airtable Coda Glide
Superset logo

Superset

Elastic-2.0
16,000 stars

macOS app that orchestrates multiple AI coding agents simultaneously, each in its own isolated Git worktree, so you can work on many tasks at once.

Replaces: Codex Warp Kiro
Bytebase logo

Bytebase

MIT
15,000 stars

Comprehensive platform for database schema migrations, security controls, and data masking with built-in review workflows and GitOps integration.

Replaces: Liquibase Flyway
ArangoDB logo

ArangoDB

Open Source
14,293 stars

🥑 ArangoDB is a native multi-model database with flexible data models for documents, graphs, and key-values. Build high performance applications using a convenient SQL-like query language or JavaScript extensions.. Graph database and document store

Replaces: TigerGraph Amazon Neptune
Flagsmith logo

Flagsmith

BSD-3-Clause
13,923 stars

Powerful feature management platform for seamless software releases, A/B testing, and personalized user experiences.

Replaces: LaunchDarkly ConfigCat Optimizely
Gitpod logo

Gitpod

AGPL-3.0
13,804 stars

The developer platform for on-demand cloud development environments to create software faster and more securely.. Automated provisioning of cloud development environments with multiple git providers & IDEs

Replaces: Codespaces
HeyForm logo

HeyForm

AGPL-3.0
13,207 stars

A versatile form builder for crafting custom surveys, quizzes, and data collection tools with advanced features and integrations.

Replaces: Google Forms Tally Typeform
OpnForm logo

OpnForm

AGPL-3.0
13,207 stars

A versatile open-source form builder for collecting data, managing submissions, and integrating with your favorite tools.

Replaces: Google Forms Tally Typeform
Palform logo

Palform

AGPL-3.0
13,207 stars

Build end-to-end encrypted forms with enterprise-grade features, no coding required. Protect sensitive data and enhance user trust.

Replaces: Google Forms Typeform Jotform
Encore logo

Encore

MPL-2.0
12,772 stars

A powerful platform for building cloud backends, automating infrastructure, and simplifying development workflows for faster, more efficient coding.

Replaces: Supabase Firebase AppWrite
NHost logo

NHost

MIT
12,772 stars

Fully managed backend infrastructure with built-in authentication, database, storage, and serverless functions for rapid application development.

Replaces: Firebase
Bknd logo

Bknd

Apache-2.0
12,772 stars

Lightweight Firebase alternative with database, auth, storage, and workflows. Framework-agnostic backend that integrates with NextJS, Remix, Hono and more.

Replaces: Supabase Firebase AppWrite
Instant logo

Instant

Apache-2.0
12,772 stars

Instant is a database solution for building real-time and offline-enabled applications, simplifying the development of collaborative products.

Replaces: Supabase Firebase MongoDB
Pocketbase logo

Pocketbase

Open Source
12,772 stars

A lightweight, self-hosted backend solution with real-time database, authentication, and file storage capabilities.

Replaces: Supabase Firebase AppWrite
Nitric logo

Nitric

Apache-2.0
12,675 stars

Nitric automates cloud infrastructure provisioning from your application code for AWS, GCP and Azure

Replaces: Supabase Firebase AppWrite
Mimrai logo

Mimrai

Open Source
12,659 stars

Open source minimalist task management tool with AI companion that filters noise, automates coordination, and guides teams through complexity with calm focus.

Replaces: Linear Jira Monday
Grist logo

Grist

Apache-2.0
12,000 stars

A versatile data management platform combining spreadsheet simplicity with relational database capabilities for efficient data organization and analysis.

Replaces: Airtable Microsoft Excel Google Sheets
Omnigent logo

Omnigent

Apache-2.0
11,000 stars

Meta-harness that sits above Claude Code, Codex, and other AI agents to add policy enforcement, sandboxing, and real-time collaborative sessions.

Replaces: Claude Managed Agents Polygraph
Apache APISIX logo

Apache APISIX

Apache-2.0
10,873 stars

Apache APISIX is an open-source API gateway built on NGINX and etcd, offering dynamic routing, 100+ plugins, load balancing, authentication, and traffic…

Replaces: Kong Apigee MuleSoft
Frappe Books logo

Frappe Books

Open Source
10,263 stars

A user-friendly desktop accounting software that helps businesses manage invoices, track expenses, and handle bookkeeping with a modern interface.

Replaces: Quickbooks YNAB Mint
Frappe Builder logo

Frappe Builder

MIT
9,135 stars

Frappe Builder is an open-source, low-code website builder that enables users to create beautiful, responsive websites with an intuitive visual interface.

Replaces: WordPress Webflow Wix
Onlook logo

Onlook

Apache-2.0
9,135 stars

Onlook is an open-source desktop app that allows you to visually edit React applications and automatically write changes back to your code in real-time.

Replaces: Framer Webflow Elementor
Silex logo

Silex

AGPL-3.0
9,135 stars

An online tool for visually creating static sites with dynamic data. With the free/libre spirit of internet, together.

Replaces: Webflow Wix Elementor
Ycode logo

Ycode

MIT
9,135 stars

Build, manage, and host custom websites with a visual drag-and-drop builder and CMS. Self-host free or use managed cloud hosting.

Replaces: Webflow Wix Squarespace
DoliCloud logo

DoliCloud

GPL-3.0
7,819 stars

Dolibarr ERP CRM is a modern software package to manage your company or foundation's activity (contacts, suppliers, invoices, orders, stocks, agenda, accounting, ...). it's an open source Web application (written in PHP) designed for businesses of any sizes, foundations and freelancers.. Business management suite (ERP and CRM)

Replaces: Oracle Fusion ERP Cloud Odoo Microsoft Dynamics
CASE logo

CASE

MIT
7,612 stars

Open Source LLM Gateway 🦚. Lightweight Backend-as-a-Service with essential features

Replaces: Firebase
Rivet logo

Rivet

Apache-2.0
6,500 stars

Open-source infrastructure for long-lived, in-memory processes called Actors. Combines state and compute with sub-millisecond latency, realtime capabilities…

Replaces: Temporal Akka
Emdash logo

Emdash

Apache-2.0
6,100 stars

Desktop app that runs 25+ coding agents simultaneously, each isolated in its own Git worktree, so you can orchestrate code changes without switching tools.

Replaces: Codex Warp Kiro
MiniStack logo

MiniStack

MIT
5,100 stars

MIT-licensed AWS emulator running 60+ services in a single Docker container. Drop-in replacement for LocalStack with real Postgres, Redis, and Docker…

Replaces: LocalStack Amazon Web Services
Nango logo

Nango

Elastic-2.0
4,929 stars

Complete integrations platform with 500+ pre-built APIs, code-first approach, unified data models, and enterprise-grade security. Free tier available.

Replaces: Pipedream Merge Rube
AppBase logo

AppBase

Apache-2.0
4,922 stars

Search UI components for React and Vue. Search UI components for React and Vue

Replaces: Algolia
ACI.dev logo

ACI.dev

Apache-2.0
4,900 stars

Platform for connecting AI agents to 500+ tools with built-in multi-tenant auth management and granular permissions using either function calling or a unified…

Replaces: Pipedream Eden AI Merge
FormKit logo

FormKit

MIT
4,783 stars

The form framework for coding agents. A software to help build attractive forms

Replaces: Vueform Typeform
Linky logo

Linky

MIT
3,934 stars

Build a dynamic link-in-bio page with a drag-and-drop editor. Integrate platforms to showcase live content and connect with your audience.

Replaces: LinkTree Bento.me Bio.fm
Convex logo

Convex

Open Source
3,778 stars

Open-source reactive database that keeps your web and mobile apps in sync. Write everything in TypeScript with built-in auth, cron jobs, and AI integration.

Replaces: Supabase Firebase MongoDB
TerminusDB logo

TerminusDB

Apache-2.0
3,467 stars

TerminusDB is a Knowledge Graph Database with Version Control. Time-travel, reason, collaborate, branch, merge, diff, and query your data with Datalog.. Knowledge graph and document store

Replaces: TigerGraph Amazon Neptune
Opengrep logo

Opengrep

LGPL-2.1
3,300 stars

Opengrep is a community-driven fork of SemgrepCE, providing accessible static code analysis and security scanning for developers.

Replaces: Semgrep
Orbital logo

Orbital

Open Source
2,701 stars

Automated data integration platform that connects APIs, databases, and event streams using semantic schemas. Deploy secure integrations in minutes with…

Replaces: Kong Apollo GraphQL
Formio logo

Formio

OSL-3.0
2,328 stars

A Form and Data Management Platform for Progressive Web Applications.. A Form and Data Management Platform for Progressive Web Applications

Replaces: Vueform Typeform
Synara logo

Synara

MIT
2,200 stars

Desktop coding workspace that connects to AI subscriptions you already have, with parallel agents, worktrees, one-click PRs, and multi-project management.

Replaces: Claude Code Codex Warp
Mockoon logo

Mockoon

MIT
2,128 stars

Create, run, and share mock REST APIs without coding. Boost productivity with an intuitive interface and powerful features.

Replaces: Postman Testfully
GoRules logo

GoRules

MIT
2,100 stars

Model business logic in decision tables, visual flows, and natural-language rules. Change rules without deploys, test every path, and run the same engine…

Replaces: Drools Camunda
Step CI logo

Step CI

MPL-2.0
1,873 stars

Automated API Testing and Quality Assurance. API Testing and Monitoring

Replaces: Checkly Postman
Argos logo

Argos

MIT
1,676 stars

Automate visual testing, catch UI bugs early, and collaborate effortlessly with your team to maintain pixel-perfect interfaces.

Replaces: Chromatic Percy Applitools
Kuzzle logo

Kuzzle

Apache-2.0
1,668 stars

Open-source Back-end, self-hostable & ready to use - Real-time, storage, advanced search - Web, Apps, Mobile, IoT -. Backend server with REST APIs to manage core backend needs

Replaces: Firebase
Kodus logo

Kodus

AGPL-3.0
1,600 stars

Open source AI code reviewer that analyzes pull requests for quality, security, and performance while respecting your existing rules and model preferences.

Replaces: CodeRabbit Greptile Bugbot
Vanilla logo

Vanilla

Open Source
1,500 stars

A platform for community discussion

Replaces: Tribe Circle
Peppermint logo

Peppermint

Open Source
1,500 stars

Ticket Management & Helpdesk system

Replaces: Zendesk
UVDesk logo

UVDesk

Open Source
1,500 stars

Ticket Management & Helpdesk system

Replaces: Zendesk
ILLA Cloud logo

ILLA Cloud

Open Source
1,500 stars

Low-code platform for developers to build internal tools in minutes.

Replaces: Retool
Lowdefy logo

Lowdefy

Open Source
1,500 stars

YAML-based low-code platform for internal tools

Replaces: Retool
Inlang logo

Inlang

Open Source
1,500 stars

Developer-first localization infrastructure built on git

Replaces: Lokalise Transifex Crowdin
Graylog logo

Graylog

Open Source
1,500 stars

Log management platform

Replaces: Splunk
Yugabyte logo

Yugabyte

Open Source
1,500 stars

High-performance distributed SQL database

Replaces: Amazon Aurora Google Cloud Spanner
RoboCorp logo

RoboCorp

Open Source
1,500 stars

Set of tooling that allows to create automation packages

Replaces: UiPath
Tunnelmole logo

Tunnelmole

Open Source
1,500 stars

Get a Public URL for your local development enviornment

Replaces: Ngrok
Pipedream logo

Pipedream

Open Source
1,500 stars

Workflow automation and API integration platform

Replaces: Zapier Integromat
WunderGraph logo

WunderGraph

Apache-2.0
1,443 stars

A powerful backend framework that simplifies API integration, enhances security, and boosts developer productivity for modern web applications.

Replaces: Apollo GraphQL Hasura Postgraphile
Tailcall logo

Tailcall

Apache-2.0
1,400 stars

The modern GraphQL runtime

Replaces: Apollo GraphQL
Jean logo

Jean

Apache-2.0
1,400 stars

Run multiple AI coding agents in isolated Git worktrees, with cross-repo context, GitHub/Linear integrations, and support for Claude, Codex, Cursor, and more.

Replaces: Claude Code Codex Cursor
Pullfrog logo

Pullfrog

MIT
1,400 stars

An open-source GitHub bot that runs AI agents to review PRs, triage issues, fix CI failures, and ship code using any LLM provider.

Replaces: CodeRabbit Greptile Factory
Hive logo

Hive

MIT
1,287 stars

A fully open-source schema registry, analytics, and gateway for GraphQL federation and APIs

Replaces: Apollo GraphQL Hasura Stepzen
LyteNyte Grid logo

LyteNyte Grid

Open Source
1,000 stars

High-performance React data table with server-side loading, tree data, pivoting, and advanced features. Handles billions of rows with minimal bundle size.

Replaces: AG Grid
Structr logo

Structr

Open Source
828 stars

Open-source low-code platform combining Neo4j graph database, visual schema editor, automatic REST APIs, and page rendering in one self-hosted environment.

Replaces: Retool Appsmith
Frontman logo

Frontman

Apache-2.0
721 stars

Open-source AI coding agent that runs in your browser, sees your live DOM and app state, and makes real code edits from plain English descriptions.

Replaces: Lovable Base44 Webflow
Lostpixel logo

Lostpixel

Open Source
654 stars

Automated visual testing tool that detects UI changes, ensures consistency, and accelerates development workflows.

Replaces: Chromatic Percy Applitools
Giselle logo

Giselle

Apache-2.0
559 stars

Create powerful AI agents using an intuitive node-based interface that connects multiple LLMs and data sources for automated documentation and development…

Replaces: Zapier Make
AceBase logo

AceBase

MIT
525 stars

A fast, low memory, transactional, index & query enabled NoSQL database engine and server for node.js and browser with realtime data change notifications. Backend server with REST APIs to manage core backend needs

Replaces: Firebase
Shelve logo

Shelve

Apache-2.0
459 stars

Shelve is a comprehensive project management tool designed to streamline workflows and enhance collaboration for developers and teams.

Replaces: Keeper Doppler
Roomote logo

Roomote

FCL-1.0
321 stars

Source-available, self-hosted AI coding agent that connects to your repo, tools, and chat to investigate issues and open reviewable PRs on your own…

Replaces: Codex Kiro Devin
Capgo logo

Capgo

AGPL-3.0
211 stars

Live update platform for Ionic and Capacitor apps that pushes JavaScript, CSS, and asset changes to devices in minutes, with channels, rollback, and release…

Replaces: Capawesome Appflow
Dray logo

Dray

Apache-2.0
122 stars

A Mac app that brings multiple AI coding agents into a single window, running on your existing subscriptions with parallel agent sessions, PR management, and…

Replaces: Claude Code Codex Cursor
Superphenix logo

Superphenix

Open Source
116 stars

Cloud platform built on Kubernetes that turns your hardware into VMs, storage, networking and managed services, run from a console or through GitOps.

Replaces: Amazon Web Services VMware Google Cloud
Koru logo

Koru

Open Source
29 stars

Write, organize, and run AI agents in a private workspace that stores everything locally, syncs peer-to-peer, and works offline on Windows, macOS, and Linux.

Replaces: Notion Obsidian OneNote
Proxed AI logo

Proxed AI

AGPL-3.0
9 stars

A secure proxy service that protects AI API keys using Apple DeviceCheck, enabling safe integration of ChatGPT, Claude, and other AI models in iOS apps

Replaces: Cloudflare Workers Kong
Flowise Ai logo

Flowise Ai

Open Source
0

Open source platform for building AI agents, chatbots, and multi-agent systems using a drag-and-drop interface, with support for 100+ LLMs and RAG.

Replaces: Make Power Apps Zoho Flow

Frequently Asked Questions: Open Source Developer Tools

What are the best open source Developer Tools tools in 2026?

The highest-ranked open-source software in Developer Tools is CodeZero with over 209,291 GitHub stars. Other leading tools include Windmill, ActivePieces, Automatisch, Automa. All are vetted for production self-hosting.

Can I self-host Developer Tools open source tools on my own cloud?

Yes. Tools listed in this category support self-hosting via Docker, Docker Compose, Kubernetes, or Helm on AWS, Google Cloud, DigitalOcean, Hetzner, or bare metal with zero per-seat licensing fees.

How can early-stage startups get free cloud credits to host Developer Tools tools?

Founders can claim up to $100,000 in AWS Activate, $350,000 in Google Cloud for Startups, and $1,000 in DigitalOcean credits via Startupbricks Perks (startupbricks.in/perks) to deploy self-hosted stacks at zero infrastructure cost.

What proprietary SaaS does open source Developer Tools software replace?

Open-source tools in this category replace proprietary commercial platforms including Zoho Flow, Azure Logic Apps, Make, Zapier, Retool, Pipedream, IFTTT, Airplane, Workato, Relay.app. Switching gives your team 100% data custody, security control, and zero recurring seat costs.

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