Open source. Open possibilities.

Kysely is a type-safe and autocompletion-friendly TypeScript SQL query builder inspired by Knex.js.

Bun is a lightweight, SQL-first ORM for Go that supports PostgreSQL, MySQL, SQLite, MSSQL, and Oracle. It emphasizes type safety, flexible scanning, and complex query building while staying close to raw SQL.

Beekeeper Studio is a cross-platform SQL editor and database manager for Linux, macOS, and Windows. It offers a free Community Edition with many features and paid editions, supporting databases such as PostgreSQL, MySQL, SQLite, SQL Server, and more.

ChartDB is an open-source, web-based database diagram editor that lets you visualize schemas instantly with a single query. No installation or password needed. Supports multiple databases and AI-powered SQL export.

Directus wraps any SQL database with auto-generated REST and GraphQL APIs, a visual management Studio, and a native MCP server for AI agents. It supports granular permissions and self-hosting.

Read-only-by-default Model Context Protocol (MCP) server for Microsoft SQL Server, providing metadata discovery, parameterized SELECT-only queries, execution plan analysis for slow query diagnosis, profile-based multi-connection configuration, and optional per-profile write access, shipped as a .NET NuGet tool.

Prisma Next is a next-generation TypeScript ORM for Node.js, designed to be extensible, composable, and AI-agent friendly by default. Supports PostgreSQL (general availability), MongoDB (early access), and SQLite (proof of concept). Features a skills-based AI agent integration and an open SPI for custom extensions.