head to head · open source
OpenAPI-Specification vs php-crud-api
OpenAPI-Specification has 31,295 GitHub stars, 9,144 forks, 80 open issues and last shipped 2 days ago. php-crud-api has 3,740 stars, 1,025 forks, 86 open issues and last shipped 13 days ago. OpenAPI-Specification leads on adoption by 737% (31,295 vs 3,740 stars). OpenAPI-Specification is written in Markdown under Apache-2.0; php-crud-api is written in PHP under MIT. OpenAPI-Specification has attracted 29% as many forks as stars, php-crud-api 27%. OpenAPI-Specification was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (openapi), so they are genuine substitutes rather than adjacent tools.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| OpenAPI-Specification | php-crud-api | |
|---|---|---|
| GitHub stars | ★ 31K | ★ 3.7K |
| License | Apache-2.0 | MIT |
| Written in | Markdown | PHP |
| Last push | 2026-11-03 | 2026-10-23 |
| Forks | ⑂ 9.1K | ⑂ 1.0K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick OpenAPI-Specification if
- You weight community size — 31K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches Markdown
- You value the larger contributor base for long-term maintenance
pick php-crud-api if
- You want the php-crud-api feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches PHP
- You evaluated both and php-crud-api fits your workflow better
About OpenAPI-Specification
The OpenAPI Specification The OpenAPI Specification is a community driven open specification within the OpenAPI Initiative, a Linux Foundation Collaborative Project. The OpenAPI Specification (OAS) defines a standard, programming language agnostic interface description for HTTP APIs. This allows both humans and computers to discover and understand the capabilities of a service without requiring access to source code, additional documentation, or inspection of network traffic. When properly defined via OpenAPI, a consumer can understand and interact with the remote service with a minimal amount of implementation…
read the full OpenAPI-Specification overview →
About php-crud-api
PHP CRUD API Single file PHP script that adds a REST API to a MySQL/MariaDB, PostgreSQL, SQL Server or SQLite database. Howto: Upload " api.php " to your webserver, configure it to connect to your database, have an instant full featured REST API. NB: This is the TreeQL reference implementation in PHP. Requirements PHP 7.2 or higher with PDO drivers enabled for one of these database systems: MySQL 5.7 / MariaDB 10.0 or higher for spatial features in MySQL PostgreSQL 9.5 or higher with PostGIS 2.2 or higher for spatial features SQL Server 2017 or higher (2019 also has Linux support) SQLite 3.22 or higher (spatial…
read the full php-crud-api overview →
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Frequently asked questions
Is OpenAPI-Specification or php-crud-api more popular?
OpenAPI-Specification has 31,295 GitHub stars and php-crud-api has 3,740. OpenAPI-Specification has the larger community by that measure.
Are OpenAPI-Specification and php-crud-api free?
Both are open source. OpenAPI-Specification is licensed under Apache-2.0 and php-crud-api under MIT. Neither carries a licence fee.
What is the difference between OpenAPI-Specification and php-crud-api?
OpenAPI-Specification is written in Markdown and php-crud-api in PHP. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, OpenAPI-Specification or php-crud-api?
Choose OpenAPI-Specification if you want the larger community (31,295 stars) or its Apache-2.0 licence terms. Choose php-crud-api if its feature set, stack or MIT licence fits better. Both are self-hostable.