head to head · open source
Tailcall vs typia
Tailcall has 7,633 GitHub stars, 1,456 forks, 45 open issues and last shipped 2 days ago. typia has 5,960 stars, 233 forks, 4 open issues and last shipped 2 days ago. Tailcall leads on adoption by 28% (7,633 vs 5,960 stars). Tailcall is written in Rust under Apache-2.0; typia is written in TypeScript under MIT. Tailcall has attracted 19% as many forks as stars, typia 4%. typia 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 | typia | |
|---|---|---|
| GitHub stars | ★ 7.6K | ★ 6.0K |
| License | Apache-2.0 | MIT |
| Written in | Rust | TypeScript |
| Last push | 2026-11-03 | 2026-11-03 |
| Forks | ⑂ 1.5K | ⑂ 233 |
| 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 typia if
- You want the typia feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and typia fits your workflow better
About Tailcall
⚒️ Forge: AI Enhanced Terminal Development Environment A comprehensive coding agent that integrates AI capabilities with your development environment curl fsSL sh Table of Contents Quickstart Usage Examples Why Forge? How Forge Works: Three Modes Interactive Mode (TUI) One Shot CLI Mode ZSH Plugin Mode ( : prefix) ZSH Plugin: The : Prefix System Agents Sending Prompts Attaching Files Conversation Management Git Integration Shell Command Tools Session & Configuration Skills Customizing Agent Behavior Semantic Search (Workspace) Quick Reference: All : Commands Command Line Options Advanced Configuration Provider…
read the full Tailcall overview →
About typia
Typia typia is a transformer library supporting below features: Super fast Runtime Validators Enhanced JSON schema and serde functions LLM function calling harness Protocol Buffer encoder and decoder Random data generator [!NOTE] Only one line required, with pure TypeScript type Runtime validator is 20,000x faster than class validator JSON serialization is 200x faster than class transformer LLM function calling harness turns 6.75% → 100% accuracy Write the type on the left, and typia compiles it into the validator on the right — at build time, with no schema and no runtime reflection. Setup Install typia with…
read the full typia overview →
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Frequently asked questions
Is Tailcall or typia more popular?
Tailcall has 7,633 GitHub stars and typia has 5,960. Tailcall has the larger community by that measure.
Are Tailcall and typia free?
Both are open source. Tailcall is licensed under Apache-2.0 and typia under MIT. Neither carries a licence fee.
What is the difference between Tailcall and typia?
Tailcall is written in Rust and typia 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 typia?
Choose Tailcall if you want the larger community (7,633 stars) or its Apache-2.0 licence terms. Choose typia if its feature set, stack or MIT licence fits better. Both are self-hostable.