Best Open Source AI & Machine Learning Software

OpenClaw

MIT

394,000 stars

A personal AI assistant that connects to your existing chat apps and handles real tasks like email, calendar, and flight check-ins on your behalf.

Hermes Agent

MIT

393,634 stars

Cross-platform desktop agent from Nous Research that connects to Telegram, Discord, Slack, WhatsApp, and more, with persistent memory, scheduling, and…

IronClaw

Apache-2.0

393,634 stars

Runs AI agents inside Trusted Execution Environments on NEAR AI Cloud, keeping credentials encrypted and invisible to the model at all times.

Nanobot

MIT

393,634 stars

Lightweight, self-hosted AI agent that runs in a web UI, terminal, or chat app, handling long-running workflows with controlled token budgets.

ZeroClaw

Apache-2.0

393,634 stars

A single Rust binary that runs a personal AI agent on your own hardware, connecting to 70+ LLM providers and 30+ messaging channels with built-in sandboxing…

Codync

Apache-2.0

393,634 stars

Run Claude Code, Codex, Cursor, and 40+ AI agents as persistent bots across iPhone, Mac, Windows, and Linux with group chats, approvals, and end-to-end…

Eigent

Apache-2.0

393,634 stars

Self-hostable desktop app that runs a coordinated team of AI agents to browse the web, manage files, execute terminal commands, and complete complex workflows.

MausBot

Apache-2.0

393,634 stars

Run a team of AI agents locally on your own API keys and subscriptions, with scheduled tasks, computer use, and Gmail, GitHub and Slack integrations.

NanoClaw

MIT

393,634 stars

Self-hosted AI agent that connects to WhatsApp, Telegram, Slack, and a dozen more messaging apps, running each agent in an isolated Docker container with…

OpenBot

MIT

393,634 stars

Deploy AI agents inside your own infrastructure with document-grounded answers, computer use, and support for any AG-UI-compatible agent framework.

Rakazo

Apache-2.0

393,634 stars

Run persistent AI bots that sign into your tools, complete tasks autonomously, and ask for approval when needed. Your keys, your model, your infrastructure.

ByteChef

Apache-2.0

209,291 stars

Create intelligent automation workflows combining AI agents with your favorite apps and services. Connect, automate, and scale your operations without complex…

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…

GPT4All

MIT

185,581 stars

GPT4All runs open-source language models locally on Windows, macOS, and Linux with no cloud dependency, keeping your data on your machine.

llama.cpp

MIT

185,581 stars

C/C++ inference engine for large language models, supporting quantization, multi-GPU, Apple Silicon, and an OpenAI-compatible server across a wide range of…

LocalAI

MIT

185,581 stars

Run LLMs, speech, image generation, and autonomous agents on your own hardware with an OpenAI-compatible API and 60+ swappable backends.

vLLM

Apache-2.0

185,581 stars

Inference and serving engine for large language models, built for speed and hardware efficiency with an OpenAI-compatible API and support for a wide range of…

Dify

Open Source

160,000 stars

Visual platform for building agentic workflows, RAG pipelines, and LLM-powered apps. Supports hundreds of models, MCP integration, and self-hosted deployment.

Proton Lumo

GPL-3.0

157,471 stars

AI chat assistant from Proton that stores conversations with zero-access encryption, never logs chats, and never uses your data to train models.

Parlant

Apache-2.0

156,223 stars

A conversational AI server that manages agent behavior through context-aware guidelines, keeping responses consistent, auditable, and aligned at scale.

Dograh

BSD-2-Clause

156,223 stars

Open-source voice agent platform that lets you plug in your own STT, LLM, and TTS models, deploy on-prem or in your VPC, and build agents via MCP or a visual…

Tiledesk

MIT

156,223 stars

Build AI chatbots, automate customer support workflows, and connect live agents across web, WhatsApp, email, and voice with a no-code visual designer.

Ollama

MIT

133,070 stars

Runs open-source language models locally with a simple setup, plus optional cloud access for larger models when local hardware isn't enough.

Browser Use

MIT

120,000 stars

Python library that lets AI agents browse the web by giving them real browser control, DOM access, and the ability to interact with any website.

Browser Operator

BSD-3-Clause

119,758 stars

Privacy-focused AI browser with intelligent agents for research, analysis, and workflow automation. Features unified memory, compliance guardrails, and…

Ego Lite

MIT

119,758 stars

A Chromium-based browser that lets AI agents like Claude Code and Codex run web automation using your real logged-in sessions, without interrupting your…

Skyvern

AGPL-3.0

119,758 stars

Transform manual browser tasks into automated workflows using AI. Handle complex forms, CAPTCHAs, 2FA, and data extraction across any website at scale.

Steel

Apache-2.0

119,758 stars

Open-source browser infrastructure that lets AI agents and automation scripts control cloud browser fleets via a simple API, with built-in CAPTCHA solving and…

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.

Agent Zero

MIT

83,675 stars

Autonomous AI agent framework that operates on its own sandboxed computer, creates tools dynamically, manages memory, and executes multi-step workflows with…

AutoGPT

Other

83,675 stars

Platform for building, deploying, and running AI agents that automate repeatable digital work across research, outreach, content, and support without writing…

Kortix

Elastic-2.0

83,675 stars

Manages a team of AI agents across your company, with every agent, skill, memory, and connector stored as versioned files in a git repo you own and self-host.

NemoClaw

Apache-2.0

83,675 stars

Collection of open blueprints combining models, agent harnesses, and runtime controls to deploy specialized autonomous AI agents with policy-based guardrails.

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.

Letta

Apache-2.0

68,235 stars

Build persistent AI agents with continuous memory, scheduled tasks, and multi-channel communication via Slack, Discord, and Telegram, using your own API keys.

Mem0

Apache-2.0

68,000 stars

Adds persistent, searchable memory to AI agents and apps, so they remember user preferences and past interactions across sessions without pipeline changes.

Multica

Open Source

54,000 stars

Open-source platform that manages coding agents as team members, with task queues, skill libraries, runtime monitoring, and a unified activity feed.

CopilotKit

MIT

43,009 stars

Integrate production-ready AI copilots into any product quickly and easily with CopilotKit's open-source platform.

Lightpanda

AGPL-3.0

39,000 stars

Purpose-built headless browser that delivers 10x faster performance and 10x lower memory usage compared to Chrome headless for web automation and AI workflows.

Agno

Apache-2.0

38,452 stars

Open-source platform that enables developers to create, deploy and monitor AI agents with built-in memory, knowledge integration, and external tool…

Scira

AGPL-3.0

37,930 stars

Scira delivers concise, AI-generated responses to queries using a clean interface and powerful search capabilities.

SurfSense

Apache-2.0

37,930 stars

Self-hostable NotebookLM alternative that lets teams build searchable knowledge bases from diverse sources, with support for any LLM and no data limits.

Langfuse

MIT

37,000 stars

Langfuse provides tracing, evaluations, prompt management, and analytics to debug and improve LLM applications.

Orama

Open Source

35,367 stars

Blend full-text and semantic search for unlimited queries across 300 global locations. Get precise answers and matches at a flat rate, no matter your search…

Pipeshub

Apache-2.0

33,148 stars

Self-hostable enterprise AI platform that unifies business data across apps, powers a knowledge graph for cited answers, and lets teams build AI agents across…

Swirl Search

Apache-2.0

33,148 stars

AI-powered search and RAG platform that connects to 100+ enterprise tools without data migration. Deploy securely on-premises with any LLM.

Meetily

MIT

32,000 stars

Records, transcribes, and summarizes meetings entirely on your device using local AI. No bots, no cloud uploads, GDPR and HIPAA compliant by design.

MaxKB

GPL-3.0

29,968 stars

Open-source AI solution combining RAG pipelines, workflow automation, and multi-model support for intelligent enterprise knowledge management and customer…

Deepnote

Apache-2.0

28,855 stars

Deepnote is an open-source collaborative notebook for data analysts and scientists, combining Python, SQL, AI assistance, and live sharing in one cloud…

OpenWork

MIT

24,000 stars

Desktop app for teams to run AI agents across 50+ LLMs, share skills and MCP servers org-wide, and automate browser tasks with your own keys.

FastGPT

Open Source

23,087 stars

FastGPT is a free, open-source platform for creating AI-powered knowledge bases with data processing, model invocation, and visual workflows.

LiveKit

Apache-2.0

22,000 stars

Build, test, deploy, and scale voice and video AI agents with an open source framework, inference gateway, telephony integrations, and full observability.

Screenpipe

Other

22,000 stars

Records your screen and microphone locally, transcribes meetings automatically, and exposes selected work context to compatible AI assistants through its MCP…

Botpress

MIT

18,313 stars

A comprehensive platform for creating AI agents with intuitive tools, extensive integrations, and enterprise-grade features powered by the latest language…

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.

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.

Typebot

Open Source

18,313 stars

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

Open-Notebook

MIT

16,707 stars

Combines AI summarization, podcast generation, and multi-format content ingestion for researchers and students who want to keep their data private.

Bifrost

Apache-2.0

13,301 stars

Open-source AI gateway delivering 50x faster performance than alternatives. Access 1000+ models from 8+ providers with built-in governance, fallback, and…

Envoy AI Gateway

Apache-2.0

13,301 stars

Open source gateway built on Envoy for routing application traffic to GenAI services. Supports 16+ LLM providers including OpenAI, Anthropic, AWS Bedrock.

LiteLLM

Open Source

13,301 stars

Acts as a unified proxy across 100+ LLMs, normalizing them to the OpenAI format while handling virtual keys, budgets, rate limits, fallbacks, and cost tracking.

LLM Gateway

MIT

13,301 stars

Route, manage, and analyze LLM requests across multiple providers with one API. Compatible with OpenAI format, includes usage analytics and performance…

Portkey AI Gateway

MIT

13,000 stars

Comprehensive AI platform with gateway, observability, guardrails, and prompt management. Access 1,600+ LLMs via unified API with enterprise-grade security.

Inbox Zero

AGPL-3.0

13,000 stars

Automates Gmail and Outlook with AI-drafted replies, bulk unsubscribe, cold email blocking, attachment filing, and inbox analytics for individuals and teams.

Arize Phoenix

Elastic-2.0

12,000 stars

Open-source platform for LLM tracing, evaluation, and optimization. Features automatic instrumentation, prompt playground, and real-time AI application…

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…

OpenLLMetry

Apache-2.0

6,249 stars

Open-source observability platform for LLMs using OpenTelemetry. Monitor performance, track costs, and debug AI applications with just 2 lines of code.

Helicone

Apache-2.0

6,200 stars

Open-source platform for logging, monitoring, and debugging LLM applications. Route, debug, and analyze AI apps with comprehensive observability tools.

Macro Mail

AGPL-3.0

6,000 stars

An AI-powered email client that combines inbox management, chat, tasks, and AI agents in one shared workspace, built for keyboard-driven workflows.

Jan

Apache-2.0

5,672 stars

Jan runs open-source AI models on your own hardware or connects to cloud providers like OpenAI, Anthropic, and Google, keeping your conversations off…

LibreChat

MIT

5,672 stars

Chat with multiple AI providers through a single self-hostable interface, with support for custom agents, file uploads, plugins, and multi-user access control.

LobeChat

Open Source

5,672 stars

A collaborative platform to create, schedule, and operate AI agents that handle long-running tasks, team workflows, and automated jobs without constant…

5ire

Open Source

5,672 stars

Cross-platform desktop AI assistant supporting multiple providers, local knowledge base, and custom prompts. Integrates MCP protocol for enhanced AI tool…

AnythingLLM

MIT

5,672 stars

A desktop and self-hostable AI app for chatting with documents, running local LLMs, and using AI agents without writing code or creating an account.

Cherry Studio

AGPL-3.0

5,672 stars

Desktop AI client for Windows, macOS, and Linux that connects 300+ models from 50+ providers, with local storage, a built-in knowledge base, and autonomous…

Fullmoon

MIT

5,672 stars

A mobile app for interacting with private, local large language models that work offline and are optimized for Apple silicon.

Khoj

AGPL-3.0

5,672 stars

Self-hostable AI assistant that connects to your docs and the web, lets you build agents, schedule automations, and run research with verifiable citations.

Leon

MIT

5,672 stars

Leon is an AI-powered virtual assistant that lives on your server, automating tasks and managing your digital life with privacy and customization.

Morphic

Apache-2.0

5,672 stars

Open-source answer engine that dynamically generates UI components while providing AI-powered responses, combining conversational AI with interactive…

Open WebUI

BSD-3-Clause

5,672 stars

Self-hosted AI platform that connects local and cloud models, extends with Python, and keeps your data under your control.

Zola

Apache-2.0

5,672 stars

Open-source chat application that lets you interact with multiple AI models in one interface, offering flexible conversations and diverse capabilities.

LangWatch

Apache-2.0

5,000 stars

Tests AI agents through multi-turn simulations, LLM-based scoring, and production tracing so teams can ship reliable agents with confidence.

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.

Agenta

MIT

4,900 stars

Open-source workspace for building and running AI agents: chat-driven development, scheduling, human-in-the-loop approvals, versioning, and tracing. Self-host…

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…

Latitude

MIT

4,700 stars

Open-source platform for monitoring AI agents: captures traces, surfaces failure patterns, alerts on issues, and helps you verify fixes with automated evals.

Onyx

MIT

3,898 stars

An open-source platform that connects to 40+ apps to provide intelligent search and AI assistance across all company information

Laminar

Apache-2.0

3,500 stars

Laminar is an open-source platform that helps collect, understand, and utilize data for building high-quality LLM applications.

Omnara

Apache-2.0

3,300 stars

Production-ready agent infrastructure that handles state, machines, permissions, and history so you don't have to build the platform yourself.

OpenLIT

Apache-2.0

2,900 stars

Open-source observability platform for GenAI and LLM applications. Real-time monitoring, distributed tracing, prompt management, and AI model evaluation built…

dstack

MPL-2.0

2,300 stars

Unified control plane for AI compute that provisions and schedules GPU workloads across any cloud, Kubernetes cluster, or bare-metal server.

E2B

Apache-2.0

1,841 stars

Provide AI agents with secure, isolated sandboxes featuring real-world tools, code execution, and enterprise-grade security. Trusted by 88% of Fortune 100…

Beam

AGPL-3.0

1,800 stars

Run GPU inference, task queues, and sandboxes on serverless infrastructure with sub-second cold starts, autoscaling, and support for your own AWS, GCP, or…

Minutes

MIT

1,600 stars

Records meetings and voice memos locally using whisper.cpp, writes structured markdown to disk, and exposes 31 MCP tools so any AI agent can query your…

Cortex

Open Source

1,500 stars

Production infrastructure for machine learning

Metarank

Open Source

1,500 stars

AutoML style personalized ranking

MindsDB

Open Source

1,500 stars

In-database machine learning platform

Ploomber

Open Source

1,500 stars

YAML-based pipeline builder for ML models

Seldon

Open Source

1,500 stars

Deployment & monitoring for machine learning at scale

Zilliz

Open Source

1,500 stars

Platform for generating embedding vectors

Pearl

Apache-2.0

1,100 stars

Connect all your apps through Pearl, an AI assistant that automates workflows directly in Slack. No coding required - save 10+ hours weekly with intelligent…

AgentOS

Apache-2.0

683 stars

Open-source TypeScript runtime for autonomous AI agents with cognitive memory, multi-agent orchestration, runtime tool generation, and support for 21 LLM…

Jarvis

MIT

668 stars

Free, open-source macOS voice assistant that transcribes speech, applies AI transformations, and controls apps hands-free. No subscription, no training…

OpenComputer

Apache-2.0

582 stars

Provides always-on virtual machines for AI agents with full OS access, persistent state, elastic CPU/memory resizing, and instant checkpoints.

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…

Rerun

AGPL-3.0

551 stars

An open-source, self-hostable platform for building and coordinating teams of AI coworkers with dedicated browser sandboxes, Foreman task planning, MCP tool integrations, and human-in-the-loop controls.

mlop

Apache-2.0

394 stars

Open source ML experiment tracking platform with parameter and gradient logging, media tracking, real-time alerts, and full Weights & Biases API compatibility.

VerifyWise

AGPL-3.0

373 stars

Open-source AI governance platform helping teams meet regulatory standards like EU AI Act and ISO 42001. Monitor model performance, manage risks, and maintain…

Prismical

MIT

126 stars

Free, open-source AI note-taker that transcribes meetings and voice notes locally using Whisper and Parakeet. Works on Mac, Windows, and mobile without…

Spanlens

MIT

13 stars

Drop-in observability platform for OpenAI, Anthropic, and Gemini that logs every request, tracks costs, traces agent workflows, and flags anomalies and PII.

Corpus

AGPL-3.0

13 stars

Upload files, ask questions, and get AI‑backed answers with citations. Compare, synthesize, and export results for teams and polished outputs.

Grepture

AGPL-3.0

12 stars

An AI gateway that sits on the request path to handle PII redaction, prompt injection blocking, tracing, evals, and cost tracking for OpenAI, Anthropic, and…

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