The following is a list of tools that automatically expose a REST, GraphQL, or another kind of API for your database, as well as databases with a built-in HTTP API.

Project name/link	Database(s) supported	API type	Implementation language	License	GitHub stats	Notes
Apinizer API Creator	Oracle, MySQL, PostgreSQL, MsSQL, IBM DB2, SAP Sybase ASE, Apache Impala, Apache Hive	REST	Java	Proprietary (SaaS)	n/a	Generates OpenAPI Specifications.
ArangoDB	ArangoDB	REST	C++	Apache 2.0	11497 ★; 47767 commits, latest 2021-08-13	A database with a built-in REST API. Official Docker image.
CouchDB	CouchDB	REST	Erlang	Apache 2.0	5027 ★; 13129 commits, latest 2021-06-23	A database with a built-in REST API. Official Docker image.
Crux	Crux	REST	Clojure	MIT	1435 ★; 6832 commits, latest 2021-08-11	A database with a built-in REST API. Official Docker image.
Datasette	SQLite 3	REST	Python 3	Apache 2.0	5327 ★; 1739 commits, latest 2021-08-13	Read-only. Official Docker image.
Dgraph	Dgraph	GraphQL (since version 2.0.0-rc1)	Go	Apache 2.0	16473 ★; 5730 commits, latest 2021-08-12	A database with a built-in GraphQL API. Official Docker image.
DreamFactory	MySQL, PostgreSQL, SQLite, MongoDB, CouchDB, and others.	REST	PHP 5	Apache 2.0, proprietary (optional extras)	1178 ★; 980 commits, latest 2021-06-15	Official Docker image.
EJDB2	EJDB2	REST	C	MIT	1229 ★; 2512 commits, latest 2021-08-12	A database with a built-in REST API. Official Docker image.
Eve	MongoDB; extensions for Elasticsearch, Neo4j, SQLAlchemy (SQL databases).	REST	Python 2/3	BSD (three-clause)	6370 ★; 3303 commits, latest 2021-03-14	The SQLAlchemy extension isn't automatic. It requires the user to write SQLAlchemy mappings.
Hasura GraphQL Engine	PostgreSQL	GraphQL	Haskell	Apache 2.0	23786 ★; 3331 commits, latest 2021-08-13	Official Docker image.
HTSQL	MySQL, PostgreSQL, SQLite (free); Oracle, MS SQL (proprietary)	REST	Python 3	Apache 2.0, proprietary (Oracle and MS SQL support)	8 ★; 1235 commits, latest 2020-08-11
neo4j-graphql	Neo4j	GraphQL	Kotlin	Apache 2.0	439 ★; 164 commits, latest 2020-10-22	Can generate a GraphQL API from an existing database or derive a new database model from a GraphQL schema and auto-generate the resolvers.
OrientDB	OrientDB	REST	Java	Apache 2.0	4334 ★; 20555 commits, latest 2021-08-13	A database with a built-in REST API. Official Docker image.
PHP-CRUD-API	MySQL, PostgreSQL, MS SQL Server.	REST	PHP 7	MIT	2804 ★; 1922 commits, latest 2021-06-28	Supports GIS + automatic OpenAPI 3.0 docs.
PostGraphile	PostgreSQL	GraphQL	TypeScript (Node.js)	MIT	10561 ★; 1308 commits, latest 2021-08-12	Formerly "PostGraphQL", Official Docker image.
PostgREST	PostgreSQL	REST	Haskell	MIT	17432 ★; 1907 commits, latest 2021-04-25	Official Docker image.
pREST	PostgreSQL	REST	Go	MIT	2766 ★; 1343 commits, latest 2021-08-12	Official Docker image.
pRESTige	MySQL	REST	PHP	MIT	66 ★; 1076 commits, latest 2020-10-30
RESTHeart	MongoDB	REST	Java	GNU AGPLv3	683 ★; 3531 commits, latest 2021-08-13	Official Docker image.
restSQL	MySQL, PostgreSQL	REST	Java	MIT	126 ★; 54 commits, latest 2018-10-18	Official Docker image.
sandman2	All supported by SQLAlchemy (MySQL, PostgreSQL, SQLite, Oracle, MS SQL, and others).	REST	Python 2/3	Apache 2.0	1726 ★; 250 commits, latest 2020-12-21	Official Docker image.
Siodb	Siodb	REST	C++, Go	GNU AGPLv3	36 ★; 250 commits, latest 2021-08-12	A database with a built-in REST API. Official Docker image.
subZero	PostgreSQL	REST and GraphQL	Haskell, Lua	Proprietary	n/a
tuql	SQLite 3 or SQL infile	GraphQL	JavaScript (Node.js)	MIT	559 ★; 72 commits, latest 2021-06-06
Webdis	Redis	REST	C	BSD (two-clause)	2417 ★; 567 commits, latest 2021-08-05	Supports pub/sub with chunked transfer encoding and WebSockets.
XgeneCloud	MySQL, PostgreSQL, MS SQL, SQLite, MariaDB, Amazon Aurora	REST and GraphQL	JavaScript (Node.js)	Apache 2.0	1540 ★; 66 commits, latest 2021-05-16
xmysql	MySQL	REST	JavaScript (Node.js)	MIT	30 ★; 3 commits, latest 2021-05-27	Official Docker image.
ZenQuery	PostgreSQL, MySQL, IBM Db2, Oracle Database, Microsoft SQL Server and others	REST	Java	Apache 2.0	56 ★; 283 commits, latest 2018-10-16	Read-only.

GitHub stats updated 2021-08-15. The commit count and the latest commit date are for the default branch (usually master).

Related projects

For projects that depend on or enhance those on the list see the Related projects wiki page. Feel free to add yours.

Contributing

Your contributions are welcome! Please submit a pull request or create an issue to add a new project to the list or to update an existing one. See CONTRIBUTING for the details.

License

This document and the data in data/ are licensed under the Creative Commons Attribution 4.0 International License. By contributing you agree to release your contribution under this license.