Database GitHub Repositories (2026) · Open Source Tools

TypeScript/JavaScript client library for Convex

Firebase SDK for Apple App Development

Drop-in embedded database in Rust

Open-source, self-hosted workspace for pages, databases and AI. One Node.js process with SQLite.

OLake - Fastest Databases, Kafka & S3 Replication to Apache Iceberg with Table optimization (Called OLake Fusion). ⚡ Efficient, quick and scalable data ingestion for real-time analytics. Supported sources : Postgres, MongoDB, MySQL, Oracle, MSSql, DB2, Kafka, S3.

Distributed reliable key-value store for the most critical data of a distributed system

The Jdbi library provides convenient, idiomatic access to relational databases in Java and other JVM technologies such as Kotlin, Clojure or Scala.

Web-based notebook that enables data-driven, interactive data analytics and collaborative documents with SQL, Scala and more.

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

ZoneTree is a persistent, high-performance, transactional, ACID-compliant ordered key-value database and LSM-tree storage engine for .NET.

A single-node analytical database engine with geospatial as a first-class citizen

A library that provides an embeddable, persistent key-value store for fast storage.

Part-DB is an Open source inventory management system for your electronic components

Skytable is a modern scalable NoSQL database with BlueQL, designed for performance, scalability and flexibility. Skytable gives you spaces, models, data types, complex collections and more to build powerful experiences

A graph database that supports more than 100+ billion data, high performance and scalability (Include OLTP Engine & REST-API & Backends)

A cloud native embedded storage engine built on object storage.

Official Kubernetes Operator for ClickHouse®

An open source Valkey client library that supports Valkey, and Redis open source 6.2, 7.0 and 7.2. Valkey GLIDE is designed for reliability, optimized performance, and high-availability, for Valkey and Redis OSS based applications. GLIDE is a multi language client library, written in Rust with programming language bindings, such as Java and Python

C/C++ server and network library, including coroutine,redis client,http/https/websocket,mqtt, mysql/postgresql/sqlite client with C/C++ for Linux, Android, iOS, MacOS, Windows, Harmony,etc..

ER schemas on a FigJam-like infinite canvas