head to head · open source
Tailcall vs APIPark
Tailcall has 7,637 GitHub stars, 1,467 forks, 45 open issues and last shipped yesterday. APIPark has 1,814 stars, 245 forks, 53 open issues and last shipped 11 days ago. Tailcall leads on adoption by 321% (7,637 vs 1,814 stars). Tailcall is written in Rust under Apache-2.0; APIPark is written in TypeScript under Apache-2.0. Tailcall has attracted 19% as many forks as stars, APIPark 14%. 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
| Tailcall | APIPark | |
|---|---|---|
| GitHub stars | ★ 7.6K | ★ 1.8K |
| License | Apache-2.0 | Apache-2.0 |
| Written in | Rust | TypeScript |
| Last push | 2026-09-19 | 2026-09-09 |
| Forks | ⑂ 1.5K | ⑂ 245 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Tailcall if
- You weight community size — 7.6K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches Rust
- You value the larger contributor base for long-term maintenance
pick APIPark if
- You want the APIPark feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches TypeScript
- You evaluated both and APIPark fits your workflow better
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 →
About APIPark
APIPark is an open source, Apache 2.0 licensed, cloud native AI gateway and API developer portal that connects to more than 100 AI models and turns them into governed, shareable REST APIs for developer teams and enterprises.
read the full APIPark overview →
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Frequently asked questions
Is Tailcall or APIPark more popular?
Tailcall has 7,637 GitHub stars and APIPark has 1,814. Tailcall has the larger community by that measure.
Are Tailcall and APIPark free?
Both are open source. Tailcall is licensed under Apache-2.0 and APIPark under Apache-2.0. Neither carries a licence fee.
What is the difference between Tailcall and APIPark?
Tailcall is written in Rust and APIPark in TypeScript. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, Tailcall or APIPark?
Choose Tailcall if you want the larger community (7,637 stars) or its Apache-2.0 licence terms. Choose APIPark if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.