Top DATABASE GitHub Repositories & Tools (2026)

Free, simple, and intuitive online database diagram editor and SQL generator.

Self-evolving Context Database for AI Agents. Unify Agent Memory, Knowledge RAG and Skills.

The ultimate RAG for your monorepo. Query, understand, and edit multi-language codebases with the power of AI and knowledge graphs

The open-source observability database. One columnar engine for metrics, logs, and traces, on object storage.

high-performance graph database for real-time use cases

One Postgres for your application data, full-text search, vector retrieval, and aggregations. Home of the pg_search extension.

MCP Toolbox for Databases is an open source MCP server for databases.

Apache Doris is a real-time analytics and hybrid search database for AI agents.

Apache ZooKeeper

Open-source search database for full-text, vector, and hybrid search with real-time indexing and SQL.

Rich MySQL Terminal Client with AutoCompletion, Syntax Highlighting, and Dataframes

Doctrine Database Abstraction Layer

LiteDB - A .NET NoSQL Document Store in a single data file

Event streaming platform for agentic AI. Continuously ingest, transform, and serve event streams in real time, at scale.

TypeScript ORM for Node.js based on Data Mapper, Unit of Work and Identity Map patterns. Supports MongoDB, MySQL, MariaDB, MS SQL Server, PostgreSQL and SQLite/libSQL databases.

A toolkit for SQLite databases, with a focus on application development

Dolt – Git for Data

Apache IoTDB

Apache Hive

Terminal database client with AI chat and an MCP server