Open source. Open possibilities.

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

A free, browser-based database entity relationship diagram (ERD) editor and SQL generator.

DBX is a lightweight 25 MB cross-platform database client supporting 90+ databases including MySQL, PostgreSQL, Redis, MongoDB, and DuckDB. Features desktop, Docker, CLI, built-in AI assistant, and MCP Server for AI agent integration.

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.

Doctrine DBAL is a powerful database abstraction layer for PHP, offering schema introspection and management with support for multiple database platforms.

A Go-based database migration tool available as both a CLI and a library. It reads migrations from various sources and applies them in order to many supported databases, with lightweight drivers and graceful stop support.

Chat2DB Community is a free, cross-platform, local-first database client and SQL workspace from OtterMind. It supports 40+ databases, data management, import/export, dashboards, and a bring-your-own-model AI assistant for SQL, with desktop, web, Docker, and CLI/MCP options.

SeaORM is a powerful relational ORM for building web services in Rust, offering a developer experience inspired by popular ORMs in Ruby, Python, and Node.js.

A SQLite3 driver for Go that conforms to the built-in database/sql interface.

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.

TypeORM is a TypeScript and JavaScript ORM for Node.js and other platforms, supporting many SQL and NoSQL databases with DataMapper and ActiveRecord patterns, migrations, transactions, and a powerful QueryBuilder.

Rainfrog is a lightweight terminal-based database tool with vim-like keybindings, query editor, and cross-platform support for PostgreSQL, MySQL, SQLite, and more.

DSH engineer-level database plugin offering six tools—sql_list/query/exec/schema/stats/health—supporting SQLite, MySQL, and PostgreSQL with multiple connections, featuring read-only whitelisting, write approval gates, lexical read-only protection, streaming row clamping, and configurable timeouts.

ChaosSQL is a deterministic concurrency and isolation fuzzer for PostgreSQL, MySQL and SQLite. It schedules concurrent transactions, detects invariant violations such as lost updates and write skew, shrinks failures to minimal reproductions, and can guard CI pipelines against regressions.

NocoDB is a free, self-hostable open-source alternative to Airtable that provides a no-code spreadsheet interface for databases.

DBeaver is a free, multi-platform database tool and SQL client for developers, DBAs and analysts, supporting 100+ database drivers via JDBC/ODBC, with SQL editor, data editor, ER diagrams, import/export and AI chat integration.

Zova is a SQLite-backed embedded local database stored in .zova files, supporting relational records, content-addressed objects, exact vector search, and graph relationships, with multi-language bindings, operational safety tools, and optional bound storage for large datasets.

DB Browser for SQLite (DB4S) is an open-source visual tool for creating, designing and editing SQLite-compatible database files. It offers a spreadsheet-like interface, table and index management, record browsing and search, CSV/SQL import-export, SQL query execution and simple graph plotting.

A .NET library for multi-tenant SQLite: per-tenant file isolation or shared-schema scoping, integrity checks across tenants, tenant context helpers, rate limiting and error middleware validation, plus settings and JSON utilities.