head to head · open source
Hoppscotch vs rswag
Hoppscotch has 80,336 GitHub stars, 6,112 forks, 820 open issues and last shipped 3 days ago. rswag has 2,201 stars, 454 forks, 26 open issues and last shipped 26 days ago. Hoppscotch leads on adoption by 3,550% (80,336 vs 2,201 stars). Hoppscotch is written in TypeScript under MIT; rswag is written in Ruby under MIT. Hoppscotch has attracted 8% as many forks as stars, rswag 21%. Hoppscotch was the more recently maintained of the two, and both are self-hostable with no licence fee.
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 | rswag | |
|---|---|---|
| GitHub stars | ★ 80K | ★ 2.2K |
| License | MIT | MIT |
| Written in | TypeScript | Ruby |
| Last push | 2026-09-16 | 2026-08-24 |
| Forks | ⑂ 6.1K | ⑂ 454 |
| 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 rswag if
- You want the rswag feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Ruby
- You evaluated both and rswag 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 rswag
rswag is an MIT licensed Ruby gem that extends rspec rails request specs with a Swagger based DSL, so a Rails API team can describe and test its endpoints in one place and generate OpenAPI 3.0 files plus an embedded swagger ui from green tests.
read the full rswag overview →
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Frequently asked questions
Is Hoppscotch or rswag more popular?
Hoppscotch has 80,336 GitHub stars and rswag has 2,201. Hoppscotch has the larger community by that measure.
Are Hoppscotch and rswag free?
Both are open source. Hoppscotch is licensed under MIT and rswag under MIT. Neither carries a licence fee.
What is the difference between Hoppscotch and rswag?
Hoppscotch is written in TypeScript and rswag in Ruby. 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 rswag?
Choose Hoppscotch if you want the larger community (80,336 stars) or its MIT licence terms. Choose rswag if its feature set, stack or MIT licence fits better. Both are self-hostable.