head to head · open source
Hoppscotch vs oasdiff
Hoppscotch has 80,733 GitHub stars, 6,222 forks, 820 open issues and last shipped yesterday. oasdiff has 1,449 stars, 113 forks, 50 open issues and last shipped yesterday. Hoppscotch leads on adoption by 5,472% (80,733 vs 1,449 stars). Hoppscotch is written in TypeScript under MIT; oasdiff is written in Go under Apache-2.0. Hoppscotch has attracted 8% as many forks as stars, oasdiff 8%. oasdiff 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 | oasdiff | |
|---|---|---|
| GitHub stars | ★ 81K | ★ 1.4K |
| License | MIT | Apache-2.0 |
| Written in | TypeScript | Go |
| Last push | 2026-11-03 | 2026-11-03 |
| Forks | ⑂ 6.2K | ⑂ 113 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Hoppscotch if
- You weight community size — 81K stars and counting
- You want the MIT license terms
- Your stack matches TypeScript
- You value the larger contributor base for long-term maintenance
pick oasdiff if
- You want the oasdiff feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Go
- You evaluated both and oasdiff fits your workflow better
About Hoppscotch
Hoppscotch Open Source API Development Ecosystem Built with ❤︎ by contributors We highly recommend you take a look at the Hoppscotch Documentation to learn more about the app. Support Features ❤️ Lightweight: Crafted with minimalistic UI design. ⚡️ Fast: Send requests and get responses in real time. 🗄️ HTTP Methods: Request methods define the type of action you are requesting to be performed. GET Requests retrieve resource information POST The server creates a new entry in a database PUT Updates an existing resource PATCH Very similar to PUT but makes a partial update on a resource DELETE Deletes resource or…
read the full Hoppscotch overview →
About oasdiff
Command line tool to compare and detect breaking changes in OpenAPI specs. Run it locally, in CI via the GitHub Action, or use the hosted PR review workflow at oasdiff.com to approve or reject each change with a CI commit status. Get started in 30 seconds No install needed — try it with Docker against two sample specs: That prints a human readable changelog of the changes that can affect API consumers, breaking and non breaking. Swap changelog for breaking to see only the changes that break existing API clients, or diff for the full machine readable diff of the API definition, including documentation only edits…
read the full oasdiff overview →
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Frequently asked questions
Is Hoppscotch or oasdiff more popular?
Hoppscotch has 80,733 GitHub stars and oasdiff has 1,449. Hoppscotch has the larger community by that measure.
Are Hoppscotch and oasdiff free?
Both are open source. Hoppscotch is licensed under MIT and oasdiff under Apache-2.0. Neither carries a licence fee.
What is the difference between Hoppscotch and oasdiff?
Hoppscotch is written in TypeScript and oasdiff in Go. 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 oasdiff?
Choose Hoppscotch if you want the larger community (80,733 stars) or its MIT licence terms. Choose oasdiff if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.