SQL GitHub Repositories (2026) · Open Source Tools

Npgsql is the .NET data provider for PostgreSQL.

DuckDB is a high-performance analytical database system

Instant REST and MCP APIs for PostgreSQL and MySQL, on existing or new databases. CRUD, custom SQL routes, auth and ACL without writing a backend. Low-code, ⚡ realtime, high-performance. Native MySQL support since v2.5

A unifying framework for biomedical research knowledge graphs

SQLDelight - Generates typesafe Kotlin APIs from SQL

Build data pipelines with SQL and Python, ingest data from different sources, add quality checks, and build end-to-end flows.

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

Free, open-source native database client for macOS, Linux, iPhone and iPad.

High performance Rust stream processing engine seamlessly integrates AI capabilities, providing powerful real-time data processing and intelligent analysis.

TypeORM module for Nest framework (node.js) 🍇

Open-source backend for Kepler.gl. Self-hosted alternative to CARTO and Foursquare Studio.

A completely free ITSM tool

Documenting my security research journey: This repository contains detailed vulnerability write-ups, proof-of-concept (PoC) exploits, and the custom automation tools I use for reconnaissance and system assessment.

🐘 Linter for Postgres migrations & SQL

The python library for research and development in NLP, multimodal LLMs, Agents, ML, Knowledge Graphs, and more.

The official home of the Presto distributed SQL query engine for big data

Open Source Formula 1 Database

Skardi is a self-improving context framework for ai agents

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.

Fast, Simple and a cost effective tool to replicate data from Postgres to Data Warehouses, Queues and Storage