Open-source database software
1840 open-source libraries, tools and applications tagged database, ranked by how closely database is their primary purpose, then by adoption and maintenance health. Each entry links to a page with sources, use cases and when to choose or avoid it.
1840 products, primary matches first, then adoption-weighted; health v2 shown.
| Product | Health v2 | Stars | Maturity |
|---|---|---|---|
| GraphScope GraphScope is a unified distributed graph computing platform from Alibaba that combines graph analytics (GRAPE), interactive graph queries … | 77 | 3558 | active |
| Unity Catalog Unity Catalog is an open-source, multimodal data and AI catalog that provides a unified metadata and governance layer for tables, files, fu… | 88 | 3555 | active |
| pg-promise pg-promise is a PostgreSQL interface library for Node.js built on top of node-postgres. It provides automatic connection and transaction ma… | 92 | 3549 | stable |
| fluentmigrator/fluentmigrator FluentMigrator is a .NET database migration framework inspired by Ruby on Rails Migrations, letting developers define schema changes as C# … | 85 | 3519 | active |
| MergeStat mergestat-lite is a Go-based command-line tool that lets you run SQL queries against git repositories and related data sources like the Git… | 65 | 3519 | stable |
| AmrDeveloper/GQL GitQL is a SQL-like query language with an in-memory query engine, implemented in Rust, that executes queries directly on .git files withou… | 72 | 3512 | active |
| collectiveidea/audited Audited is a Ruby gem and ActiveRecord extension for Rails that automatically logs all changes to your models into an audits table. It reco… | 52 | 3499 | active |
| olric-data/olric Olric is a distributed, in-memory key/value store and cache written entirely in Go. It can be embedded as a Go library or run as a standalo… | 85 | 3495 | active |
| olahallengren/sql-server-maintenance-solution A set of T-SQL stored procedures (DatabaseBackup, DatabaseIntegrityCheck, IndexOptimize) plus SQL Agent jobs for backing up, integrity-chec… | 75 | 3490 | stable |
| antonycourtney/tad Tad is a free, MIT-licensed desktop application for viewing and analyzing tabular data in CSV, Parquet, SQLite, and DuckDB formats. It rend… | 23 | 3483 | active |
| hashicorp/go-memdb A Go library implementing an in-memory database built on immutable radix trees, with schema-defined tables and indexes. It provides MVCC, A… | 59 | 3476 | stable |
| ankane/pgsync pgsync is a Ruby command-line tool that syncs data from one Postgres database to another, similar to pg_dump/pg_restore. It transfers table… | 72 | 3475 | active |
| boltdb/bolt Bolt is a pure Go embedded key/value database inspired by LMDB, offering a small API for getting and setting values with full transactional… | 10 | 14640 | maintenance |
| JasperFx/marten Marten is a .NET library that turns PostgreSQL into a fully featured transactional document database using its JSON support, plus an ACID-c… | 95 | 3465 | active |
| Laravel Auditing A Laravel/Lumen package that keeps a history of Eloquent model changes by adding a trait to models, storing audit records via configurable … | 91 | 3465 | stable |
| documentdb/documentdb DocumentDB is an open-source, MongoDB-compatible document database engine built as PostgreSQL extensions, providing native BSON support, CR… | 83 | 3462 | active |
| slatedb/slatedb SlateDB is an embedded key-value storage engine implemented in Rust as a log-structured merge-tree (LSM) that persists all data to object s… | 91 | 3458 | active |
| zzzeek/sqlalchemy SQLAlchemy is the Python SQL toolkit and Object Relational Mapper, providing both a Core SQL expression language with schema management and… | 76 | 3452 | stable |
| TerminusDB TerminusDB is an open-source document graph database with built-in git-like version control, storing JSON/JSON-LD documents in a schema-enf… | 92 | 3435 | active |
| apache/paimon Apache Paimon is a lakehouse table format that combines lake format with LSM tree structure to support real-time streaming updates. It enab… | 95 | 3425 | active |
| Store Store5 is a Kotlin Multiplatform library that provides a unified architecture for fetching, caching, and updating data across network, memo… | 87 | 3418 | active |
| rubenv/sql-migrate A SQL schema migration tool for Go, usable both as a standalone CLI and as a library. It supports SQLite, PostgreSQL, MySQL, MSSQL, and Ora… | 70 | 3415 | stable |
| rocicorp/mono Zero is a general-purpose sync engine for the web that syncs slices of a Postgres database into a client-side local datastore, letting quer… | 67 | 3414 | active |
| mnemosyne-oss/mnemosyne Mnemosyne is a local-first, SQLite-backed memory layer for AI agents, exposing remember/recall APIs via a Python SDK and 30+ tools over MCP… | 82 | 3407 | active |
| crystaldba/postgres-mcp Postgres MCP Pro is an open-source Model Context Protocol (MCP) server that gives AI agents and developers safe, configurable read/write ac… | 63 | 3388 | active |
| sqlkata/querybuilder SqlKata is a fluent SQL query builder library for C#/.NET that compiles expressive queries for SqlServer, MySQL, PostgreSQL, Oracle, SQLite… | 65 | 3384 | stable |
| LINQ to DB LINQ to DB is a fast, lightweight LINQ database access library for .NET that provides a type-safe layer between POCOs and databases. It sit… | 94 | 3335 | active |
| dbcli/litecli LiteCLI is a command-line client for SQLite databases with context-sensitive auto-completion and syntax highlighting, built on prompt-toolk… | 77 | 3315 | active |
| duckdb/ducklake DuckLake is an integrated data lake and lakehouse catalog format that stores data as Parquet files and manages metadata in an ACID-complian… | 65 | 3295 | active |
| PeerDB-io/peerdb PeerDB is an open-source ETL/CDC tool that streams data from Postgres to data warehouses, queues, and storage engines, with an actively mai… | 91 | 3293 | active |
| xpf0000/FlyEnv FlyEnv is a native desktop application for managing local development environments on Windows, macOS, and Linux. It lets developers install… | 100 | 3289 | active |
| spring-projects/spring-data-jpa Spring Data JPA is part of the Spring Data family and simplifies building JPA-based data access layers by generating repository implementat… | 95 | 3285 | stable |
| adelsz/pgtyped PgTyped is a TypeScript library that generates static types for raw SQL queries against a running PostgreSQL database. It parses queries fr… | 74 | 3285 | active |
| simolus3/drift Drift is a reactive, type-safe persistence library for Dart and Flutter built on top of SQLite. It supports writing queries in both SQL and… | 96 | 3281 | stable |
| duckdb/pg_duckdb pg_duckdb is an official PostgreSQL extension that embeds DuckDB's columnar-vectorized analytics engine inside Postgres. It lets users run … | 66 | 3263 | active |
| Vortex Vortex is an extensible, high-performance columnar file format and toolkit for compressed data, positioned as a faster alternative to Apach… | 88 | 3260 | active |
| EnterpriseDB/barman Barman is an open-source Python administration tool for backup and disaster recovery of PostgreSQL servers, maintained by EnterpriseDB. It … | 93 | 3259 | stable |
| lakesoul-io/LakeSoul LakeSoul is a cloud-native, real-time lakehouse framework with a Rust-native core providing ACID table format, concurrent upserts, incremen… | 98 | 3257 | active |
| Apache Gravitino Apache Gravitino is a high-performance, geo-distributed, federated metadata lake that provides unified metadata management across diverse d… | 93 | 3257 | active |
| jakearchibald/idb-keyval A tiny promise-based key-value store library built on top of IndexedDB for browsers. It offers a minimal get/set/del API in under 600 bytes… | 70 | 3252 | stable |
| tokio-rs/toasty Toasty is an async ORM for Rust that lets you define data models with Rust structs and derive macros, supporting SQL databases (SQLite, Pos… | 89 | 3248 | active |
| mongodb/mongo-csharp-driver The official MongoDB driver for C# and .NET, providing a client API for connecting to, querying, and writing to MongoDB databases. It suppo… | 97 | 3247 | stable |
| danvergara/dblab dblab is a fast, zero-dependency terminal-based UI database client written in Go, supporting PostgreSQL, MySQL, SQLite3, Oracle, and SQL Se… | 99 | 3242 | active |
| mydumper/mydumper MyDumper is a high-performance, multithreaded logical backup tool for MySQL, MariaDB, Percona, and TiDB databases. It consists of mydumper … | 95 | 3226 | active |
| symfony/doctrine-bridge A Symfony component that provides integration between Doctrine (ORM and DBAL) and various Symfony components such as forms, validation, sec… | 93 | 3219 | stable |
| yitter/IdGenerator A high-performance unique numeric ID generator library implementing an optimized Snowflake ('drift') algorithm, natively available in C#, J… | 26 | 3213 | active |
| Wisser/Jailer Jailer is a Java-based tool for database subsetting and relational data browsing. It extracts small, referentially intact slices of product… | 98 | 3205 | active |
| polardb/PolarDB-for-PostgreSQL PolarDB for PostgreSQL is a cloud-native, PostgreSQL-compatible database system developed by Alibaba Cloud. It uses a shared-storage archit… | 91 | 3205 | active |
| jaredwray/keyv Keyv is a TypeScript key-value storage library providing a consistent interface across multiple backends via storage adapters (Redis, Postg… | 99 | 3201 | active |
| Apache HugeGraph Apache HugeGraph is a fast, highly scalable graph database supporting tens of billions of vertices and edges with OLTP real-time queries vi… | 70 | 3192 | active |
| mayneyao/eidos Eidos is a local-first, single-file relational spreadsheet built on standard SQLite, usable from a desktop app, browser editor, or agent-fi… | 90 | 3188 | active |
| zilliztech/attu Attu is an AI-native management GUI for the Milvus vector database, available as a web app (Docker/Kubernetes) or desktop app. It lets user… | 97 | 3186 | active |
| CodisLabs/codis Codis is a proxy-based, high-performance Redis cluster solution written in Go that provides transparent sharding and dynamic resharding wit… | 23 | 13219 | maintenance |
| erikdubbelboer/phpRedisAdmin phpRedisAdmin is a simple PHP-based web interface for browsing and managing Redis databases, including viewing, editing, and deleting keys.… | 89 | 3183 | active |
| sqldef/sqldef sqldef is a single-binary CLI tool for idempotent, declarative database schema management using plain SQL DDL files. It diffs the desired s… | 93 | 3173 | active |
| sqitchers/sqitch Sqitch is a standalone database change management (migration) tool that tracks schema changes as native SQL scripts with a plan file and Me… | 79 | 3169 | stable |
| Tencent/Tendis Tendis is a high-performance distributed key-value storage system fully compatible with the Redis protocol, built on RocksDB for disk-based… | 81 | 3165 | active |
| geohot/minikeyvalue A ~1000 line distributed key-value store written in Go, using nginx as volume servers and LevelDB for indexing, with replication and rebala… | 32 | 3158 | stable |
| SeekDB seekdb is an AI-native search database from OceanBase that unifies relational, vector, full-text, JSON, and GIS data in a single MySQL-comp… | 78 | 3142 | active |
| timescale/pgvectorscale pgvectorscale is a PostgreSQL extension written in Rust that complements pgvector with a StreamingDiskANN index, statistical binary quantiz… | 87 | 3136 | active |
| gluesql/gluesql GlueSQL is an open-source SQL database engine written in Rust, packaged as a library with a parser, execution layer, and swappable storage … | 85 | 3132 | active |
| aspen-cloud/triplit Triplit is an open-source full-stack syncing database that runs on both server and client, syncing data in real time over websockets with c… | 51 | 3115 | active |
| mkleehammer/pyodbc pyodbc is an open-source Python module that provides access to ODBC databases, implementing the DB API 2.0 specification with additional Py… | 60 | 3083 | stable |
| elastic/curator Elasticsearch Curator is a Python command-line tool for managing Elasticsearch indices, including deleting, closing, snapshotting, and othe… | 67 | 3078 | active |
| XTDB XTDB is an open-source (MPL-2.0) immutable, bitemporal SQL database built on Apache Arrow and S3-compatible storage. It automatically retai… | 73 | 3077 | active |
| heavyai/heavydb HeavyDB (formerly MapD/OmniSciDB) is an open-source SQL-based, relational, columnar database engine that uses CPUs and NVIDIA GPUs to query… | 88 | 3067 | active |
| lindb/lindb LinDB is an open-source distributed time series database written in Go, offering high performance, high availability, and horizontal scalab… | 62 | 3065 | active |
| gruns/ImmortalDB ImmortalDB is a resilient key-value store for the browser that redundantly persists data across Cookies, IndexedDB, and LocalStorage. It us… | 27 | 3058 | active |
| LMDB/lmdb LMDB (Lightning Memory-Mapped Database) is a compact, high-performance embedded key-value database library written in C, using memory-mappe… | 77 | 3055 | stable |
| dalibo/pg_activity pg_activity is a top-like command line tool for monitoring PostgreSQL server activity in real time. It displays running queries, waits, CPU… | 80 | 3052 | active |
| hydradatabase/columnar Hydra Columnar is a Postgres extension providing column-oriented table storage via the table access method API, enabling fast analytical qu… | 23 | 3043 | stable |
| Snapchat/KeyDB KeyDB is a multithreaded, high-performance fork of Redis that is fully protocol-compatible and acts as a drop-in replacement for Redis depl… | 23 | 12505 | maintenance |
| jbogard/Respawn Respawn is a .NET library that intelligently resets test databases to a clean state between integration tests. It analyzes foreign key rela… | 51 | 3027 | active |
| tekartik/sqflite sqflite is a SQLite plugin for Flutter providing local database access on iOS, Android, and macOS, with Linux/Windows support via sqflite_c… | 75 | 3020 | stable |
| calebporzio/sushi Sushi is a PHP library that lets Laravel Eloquent models run on in-memory array data instead of a database, backed by SQLite. You add a tra… | 58 | 3008 | active |
| twitter/twemproxy Twemproxy (nutcracker) is a fast, lightweight proxy for the memcached and Redis protocols, written in C. It reduces backend connection coun… | 23 | 12338 | maintenance |
| google/mangle Mangle is a deductive database programming language implemented as an embeddable Go library. It extends Datalog with aggregation, function … | 73 | 2993 | active |
| sunspot/sunspot Sunspot is a Ruby library providing an expressive DSL for indexing Ruby objects into and searching them via the Apache Solr search engine, … | 63 | 2978 | active |
| undb-io/undb undb is a private-first, self-hosted no-code database platform that also functions as a Backend as a Service (BaaS). Built on SQLite with a… | 10 | 2978 | active |
| PomeloFoundation/Pomelo.EntityFrameworkCore.MySql Pomelo.EntityFrameworkCore.MySql is an Entity Framework Core provider for MySQL, MariaDB, and Amazon Aurora MySQL, built on top of the high… | 39 | 2975 | active |
| Database Cleaner A set of Ruby gems providing strategies for cleaning databases, primarily to ensure a clean state during tests. It supports multiple ORMs a… | 67 | 2967 | active |
| database.build An in-browser Postgres sandbox where each database runs locally via PGlite (WASM Postgres) and is paired with an LLM assistant for generati… | 58 | 2953 | active |
| mybatis/spring An official adapter that bridges the MyBatis 3 SQL mapping framework with the Spring Framework, providing integration for transactions, map… | 84 | 2935 | active |
| kayak/pypika PyPika is a Python SQL query builder library that exposes the full richness of SQL through a builder-pattern API mirroring the resulting qu… | 67 | 2923 | stable |
| sequelize/sequelize-auto A command-line tool that connects to an existing database (MySQL/MariaDB, Postgres, SQLite, or MSSQL) and automatically generates bare Sequ… | 32 | 2923 | active |
| holepunchto/hypercore Hypercore is a JavaScript library implementing a secure, distributed append-only log that uses signed merkle trees to verify data integrity… | 99 | 2917 | active |
| cweijan/vscode-database-client A Visual Studio Code extension that acts as an all-in-one database client for MySQL/MariaDB, PostgreSQL, SQLite, Redis, ClickHouse, DM, and… | 58 | 2917 | active |
| chDB chDB is an in-process SQL OLAP engine powered by ClickHouse, embeddable in Python (plus Go, Rust, Node.js, and Bun bindings) without runnin… | 97 | 2916 | active |
| hello245m/free-stockdb A local-first quantitative data engine for China A-share daily/minute K-lines and ETF minute/tick data, combining incremental sync, cleanin… | 77 | 2912 | active |
| Donkie/Spoolman Spoolman is a self-hosted web service for tracking 3D-printer filament spool inventory and usage. It provides a REST API and web client, an… | 97 | 2899 | active |
| orangehill/iseed iSeed is a Laravel package that generates database seed files from existing database table data via an Artisan command. It supports Laravel… | 86 | 2896 | active |
| explorerhq/sql-explorer SQL Explorer is a Django-based SQL reporting and business intelligence application that lets users write, run, and share SQL queries throug… | 86 | 2876 | active |
| staudenmeir/eloquent-has-many-deep A Laravel Eloquent package extending HasManyThrough relationships to support unlimited levels of intermediate models. It supports many-to-m… | 68 | 2873 | active |
| kitloong/laravel-migrations-generator A Laravel/Lumen package that generates Laravel migration files from an existing database schema, including tables, columns, indexes, and fo… | 75 | 2868 | active |
| armink/FlashDB FlashDB is an ultra-lightweight embedded database written in C that provides two storage modes: a key-value database (KVDB) and a time-seri… | 76 | 2860 | stable |
| typegoose/mongodb-memory-server A Node.js library that programmatically downloads and spins up real MongoDB server binaries for testing, holding data in memory with zero o… | 97 | 2852 | active |
| doctrine/data-fixtures Doctrine Data Fixtures is a PHP library for managing and loading data fixtures into databases via the Doctrine ORM or ODM. It provides a fi… | 85 | 2851 | stable |
| dataplat/dbatools dbatools is a free, open-source PowerShell module with nearly 700 commands for automating SQL Server administration, including instance mig… | 97 | 2847 | active |
| Sei Sei Chain is the Go implementation of the Sei Layer 1 blockchain, a delegated proof-of-stake network featuring a parallelized EVM and CosmW… | 100 | 2840 | active |
| sequelize/sequelize-typescript A TypeScript library providing decorators and type-safe features for Sequelize v6, enabling class-based model definitions with @Table, @Col… | 23 | 2836 | active |