head to head · open source
Hoppscotch vs NelmioApiDocBundle
Hoppscotch has 80,336 GitHub stars, 6,112 forks, 820 open issues and last shipped 3 days ago. NelmioApiDocBundle has 2,368 stars, 910 forks, 55 open issues and last shipped yesterday. Hoppscotch leads on adoption by 3,293% (80,336 vs 2,368 stars). Hoppscotch is written in TypeScript under MIT; NelmioApiDocBundle is written in PHP under MIT. Hoppscotch has attracted 8% as many forks as stars, NelmioApiDocBundle 38%. NelmioApiDocBundle was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (api), 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
| Hoppscotch | NelmioApiDocBundle | |
|---|---|---|
| GitHub stars | ★ 80K | ★ 2.4K |
| License | MIT | MIT |
| Written in | TypeScript | PHP |
| Last push | 2026-09-16 | 2026-09-18 |
| Forks | ⑂ 6.1K | ⑂ 910 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Hoppscotch if
- You weight community size — 80K stars and counting
- You want the MIT license terms
- Your stack matches TypeScript
- You value the larger contributor base for long-term maintenance
pick NelmioApiDocBundle if
- You want the NelmioApiDocBundle feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches PHP
- You evaluated both and NelmioApiDocBundle fits your workflow better
About Hoppscotch
Hoppscotch is an open source API development ecosystem that provides a full featured client for designing, testing, and documenting APIs. It operates as a web based application, desktop app, and CLI tool, supporting offline, on premises, and cloud deployments. Built with TypeScript and licensed under MIT, it serves as a direct open source alternative to proprietary tools like Postman and Insomnia.
read the full Hoppscotch overview →
About NelmioApiDocBundle
NelmioApiDocBundle is an MIT licensed Symfony bundle that generates REST API documentation from PHP 8 attributes, built for PHP and Symfony teams that want OpenAPI descriptions derived from their code rather than written and maintained by hand.
read the full NelmioApiDocBundle overview →
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Frequently asked questions
Is Hoppscotch or NelmioApiDocBundle more popular?
Hoppscotch has 80,336 GitHub stars and NelmioApiDocBundle has 2,368. Hoppscotch has the larger community by that measure.
Are Hoppscotch and NelmioApiDocBundle free?
Both are open source. Hoppscotch is licensed under MIT and NelmioApiDocBundle under MIT. Neither carries a licence fee.
What is the difference between Hoppscotch and NelmioApiDocBundle?
Hoppscotch is written in TypeScript and NelmioApiDocBundle 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, Hoppscotch or NelmioApiDocBundle?
Choose Hoppscotch if you want the larger community (80,336 stars) or its MIT licence terms. Choose NelmioApiDocBundle if its feature set, stack or MIT licence fits better. Both are self-hostable.