Best Open Source Databases Software
Browse 43 production-ready, self-hostable open-source tools in Databases. Eliminate per-seat SaaS costs, retain complete data ownership, and claim $100K+ in startup cloud hosting credits.
Top Open-Source Databases Software Compared
Direct overview of top-ranked solutions by community stars and license
| Tool Name | GitHub Stars | License | Replaces Proprietary | Details |
|---|---|---|---|---|
| drawDB | ★ 90,964 | AGPL-3.0 | Microsoft Visio, LucidChart | View Stack → |
| Prometheus | ★ 77,615 | Apache-2.0 | DataDog, Splunk | View Stack → |
| VictoriaMetrics | ★ 77,615 | Apache-2.0 | DataDog, InfluxDB | View Stack → |
| GreptimeDB | ★ 66,892 | Apache-2.0 | DataDog, Splunk | View Stack → |
| Baserow | ★ 65,398 | MIT | Airtable, Microsoft Excel | View Stack → |
All 43 Databases Open Source Tools
Ranked by GitHub community stars & active adoption
drawDB
AGPL-3.0Free online database diagram editor with SQL generation. Create ER diagrams, visualize relationships, export scripts, and reverse engineer schemas - no signup…
Prometheus
Apache-2.0Pull-based monitoring system with a multi-dimensional data model, PromQL query language, built-in alerting, and a time series database built for cloud native…
VictoriaMetrics
Apache-2.0Time series database and monitoring platform compatible with Prometheus, handling billions of metrics with lower resource usage than most alternatives.
GreptimeDB
Apache-2.0Cloud-native observability database unifying metrics, logs, and traces with sub-second queries, 50x cost reduction, and seamless OpenTelemetry integration.
Baserow
MITOpen-source platform for building databases, internal apps, and automated workflows without writing code. Available on cloud or self-hosted.
Elasticsearch
Open SourceElasticsearch is an open-source, RESTful search engine designed for scalability, reliability, and easy management.
Beekeeper Studio
Open SourceSQL GUI client for MySQL, Postgres, SQLite, SQL Server, and more, with a spreadsheet-like data editor, AI shell, SSH tunneling, and team workspaces.
Apache Cloudberry
Apache-2.0Leverage advanced analytics with a modern PostgreSQL kernel. 100% open source for robust data solutions.
Databend
Apache-2.0Databend is an open-source, elastic cloud data warehouse built for high-performance analytics and seamless integration with popular data tools.
Chroma
Apache-2.0Open-source vector database designed for AI applications. Store, search, and retrieve embeddings with semantic similarity matching and metadata filtering.
HelixDB
Apache-2.0Rust-built native graph-vector database combining vector similarity search and graph traversals. 10x faster development with unified architecture, sub-1ms…
Qdrant
Apache-2.0Qdrant is an open-source vector database that provides high-performance similarity search for AI and machine learning applications.
Weaviate
BSD-3-ClauseOpen-source vector database designed for building powerful, production-ready AI applications with hybrid search capabilities and flexible deployment options.
Neon Postgres
Apache-2.0Cloud-native, auto-scaling Postgres with instant branching, bottomless storage, and pay-per-use pricing
OceanBase
Apache-2.0Scalable, high-availability database system supporting OLTP, OLAP, and hybrid transactional/analytical processing workloads.
Turso
MITTurso provides a simple developer experience with SQLite compatibility, allowing you to build and scale multi-tenant applications with unlimited databases.
Azimutt
MITAzimutt is a powerful tool for seamlessly exploring, documenting, and optimizing large and complex databases.
Orama
Open SourceBlend 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…
Milvus
Apache-2.0Open-source vector database optimized for similarity search, scaling to billions of vectors with minimal performance loss
Dragonfly
Open SourceDragonfly is a high-performance, Redis-compatible in-memory data store that delivers up to 25x more throughput and 80% lower costs than legacy solutions.
Apache Druid
Apache-2.0Columnar, time-indexed analytics database built for streaming and batch data at scale, handling billions to trillions of rows with millisecond query response…
QuestDB
Apache-2.0Open-source time-series database offering massive ingestion throughput, millisecond queries, and SQL extensions, designed for optimal performance at any…
TDengine
AGPL-3.0High-performance time-series database with industrial data management, built-in stream analytics, and AI-driven anomaly detection for operational environments.
TimescaleDb
Open SourcePostgreSQL extension for time-series data with automatic partitioning, up to 95% columnar compression, continuous aggregates, and ~200 native SQL functions.
Mathesar
GPL-3.0A self-hosted tool that provides an intuitive, spreadsheet-style interface for viewing, editing, and querying PostgreSQL databases without technical expertise.
NocoDB
AGPL-3.0Convert any database into a no-code platform with spreadsheet interface. Connect PostgreSQL/MySQL or use hosted database. Scale to millions of rows…
Apache IoTDB
Apache-2.0Apache IoTDB manages industrial IoT time-series data with high-throughput read/write, edge-cloud sync, ultra-high compression, and integrations with Hadoop…
InfluxDB
Apache-2.0InfluxDB handles high-velocity, high-resolution time series data at scale, built for telemetry, edge devices, IoT, and physical AI workloads.
Chat2DB
Apache-2.0AI-powered SQL client that converts natural language to SQL queries. Supports MySQL, Redis, MongoDB with Text2SQL, BI dashboards, and secure database…
Conar
AGPL-3.0Modern PostgreSQL database management with AI-powered filtering, natural language queries, and cloud sync. Focus on your data while AI handles complexity.
DBeaver
Apache-2.0Cross-platform database management tool for exploring, editing, and querying SQL databases including MySQL, PostgreSQL, SQLite, MariaDB, and more.
Tabularis
Apache-2.0Desktop database client for PostgreSQL, MySQL/MariaDB, SQLite, and 14+ more databases, with a built-in MCP server, SQL notebooks, visual query builder, and a…
CrateDB
Apache-2.0Distributed SQL database designed for high-speed ingestion and complex queries on massive datasets, ideal for IoT and time-series data.
TiDB
Apache-2.0Distributed SQL database combining OLTP and OLAP capabilities, offering horizontal scalability, high availability, and real-time analytics.
Activeloop
Apache-2.0Deep Lake is an open-source database for storing, querying and managing complex AI data like images, audio, and embeddings.
AITable
AGPL-3.0AITable.ai offers a visual database platform that simplifies workflow automation and connects to over 6,000 apps through integrations like Zapier and Make.
Bytebase
MITComprehensive platform for database schema migrations, security controls, and data masking with built-in review workflows and GitOps integration.
Instant
Apache-2.0Instant is a database solution for building real-time and offline-enabled applications, simplifying the development of collaborative products.
Grist
Apache-2.0A versatile data management platform combining spreadsheet simplicity with relational database capabilities for efficient data organization and analysis.
SlateDB
Apache-2.0SlateDB is an embedded storage engine that leverages object storage for durability, scalability, and simplified replication without the need for disk…
FalkorDB
SSPL-1.0Graph database using sparse matrix representation and linear algebra to deliver ultra-low latency Cypher queries, native multi-tenancy, and built-in GraphRAG…
Memgraph
Open SourceMemgraph is a scalable, in-memory graph database solution offering high-performance computing and Neo4j compatibility.
Yugabyte
Open SourceHigh-performance distributed SQL database
Frequently Asked Questions: Open Source Databases
What are the best open source Databases tools in 2026?
The highest-ranked open-source software in Databases is drawDB with over 90,964 GitHub stars. Other leading tools include Prometheus, VictoriaMetrics, GreptimeDB, Baserow. All are vetted for production self-hosting.
Can I self-host Databases 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 Databases 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 Databases software replace?
Open-source tools in this category replace proprietary commercial platforms including Microsoft Visio, LucidChart, dbdiagram.io, Vertabelo, Valentina Studio, DrawSQL, DataDog, Splunk, SolarWinds, Grafana Cloud. Switching gives your team 100% data custody, security control, and zero recurring seat costs.
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