head to head · open source
OpenAPI-Specification vs php-crud-api
OpenAPI-Specification has 31,225 GitHub stars, 9,155 forks, 80 open issues and last shipped 9 days ago. php-crud-api has 3,737 stars, 1,028 forks, 85 open issues and last shipped 23 days ago. OpenAPI-Specification leads on adoption by 736% (31,225 vs 3,737 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 28%. 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 | 2026-09-11 | 2026-08-28 |
| Forks | ⑂ 9.2K | ⑂ 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 (OAS) is a community driven open specification hosted within the OpenAPI Initiative, a Linux Foundation Collaborative Project. It defines a standard, programming language agnostic interface description for HTTP APIs, represented in YAML or JSON. The specification lives in the HTTP API tooling ecosystem, alongside the tools, libraries, and implementations listed in the repository's implementations document. The project source is released under the Apache 2.0 license, and its GitHub repository has accumulated roughly 31,000 stars and 9,100 forks across 13 years of activity.…
read the full OpenAPI-Specification overview →
About php-crud-api
php crud api is a single file PHP script that adds a REST API to an existing MySQL/MariaDB, PostgreSQL, SQL Server, or SQLite database, and it is aimed at PHP developers and small teams that want working CRUD endpoints without building and maintaining a backend application around their schema.
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 31,225 GitHub stars and php-crud-api has 3,737. 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 (31,225 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.