head to head · open source
Hoppscotch vs Tailcall
Hoppscotch has 80,393 GitHub stars, 6,119 forks, 820 open issues and last shipped 4 days ago. Tailcall has 7,637 stars, 1,467 forks, 45 open issues and last shipped yesterday. Hoppscotch leads on adoption by 953% (80,393 vs 7,637 stars). Hoppscotch is written in TypeScript under MIT; Tailcall is written in Rust under Apache-2.0. Hoppscotch has attracted 8% as many forks as stars, Tailcall 19%. Tailcall 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 | Tailcall | |
|---|---|---|
| GitHub stars | ★ 80K | ★ 7.6K |
| License | MIT | Apache-2.0 |
| Written in | TypeScript | Rust |
| Last push | 2026-09-16 | 2026-09-19 |
| Forks | ⑂ 6.1K | ⑂ 1.5K |
| 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 Tailcall if
- You want the Tailcall feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Rust
- You evaluated both and Tailcall 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 Tailcall
Tailcall is an Apache 2.0 licensed, Rust based developer tool listed in this registry whose repository (tailcallhq/forgecode) and README present it as Forge, an AI enhanced terminal development environment: a command line coding agent that works against Claude, GPT, O Series, Grok, Deepseek, Gemini and, per its own description, more than 300 other models.
read the full Tailcall overview →
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Frequently asked questions
Is Hoppscotch or Tailcall more popular?
Hoppscotch has 80,393 GitHub stars and Tailcall has 7,637. Hoppscotch has the larger community by that measure.
Are Hoppscotch and Tailcall free?
Both are open source. Hoppscotch is licensed under MIT and Tailcall under Apache-2.0. Neither carries a licence fee.
What is the difference between Hoppscotch and Tailcall?
Hoppscotch is written in TypeScript and Tailcall in Rust. 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 Tailcall?
Choose Hoppscotch if you want the larger community (80,393 stars) or its MIT licence terms. Choose Tailcall if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.