head to head · open source
Tailcall vs kiro-gateway
Tailcall has 7,633 GitHub stars, 1,456 forks, 45 open issues and last shipped 2 days ago. kiro-gateway has 2,347 stars, 561 forks, 103 open issues and last shipped 6 months ago. Tailcall leads on adoption by 225% (7,633 vs 2,347 stars). Tailcall is written in Rust under Apache-2.0; kiro-gateway is written in Python under AGPL-3.0. Tailcall has attracted 19% as many forks as stars, kiro-gateway 24%. Tailcall was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (llm), so they are genuine substitutes rather than adjacent tools.
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 | kiro-gateway | |
|---|---|---|
| GitHub stars | ★ 7.6K | ★ 2.3K |
| License | Apache-2.0 | AGPL-3.0 |
| Written in | Rust | Python |
| Last push | 2026-11-03 | 2026-05-18 |
| Forks | ⑂ 1.5K | ⑂ 561 |
| 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 kiro-gateway if
- You want the kiro-gateway feature set and don't need the biggest community
- You prefer the AGPL-3.0 license terms
- Your stack matches Python
- You evaluated both and kiro-gateway 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 kiro-gateway
👻 Kiro Gateway Proxy gateway for Kiro API (Amazon Q Developer / AWS CodeWhisperer) 🇬🇧 English • 🇷🇺 Русский • 🇨🇳 中文 • 🇪🇸 Español • 🇮🇩 Indonesia • 🇧🇷 Português • 🇯🇵 日本語 • 🇰🇷 한국어 Made with ❤️ by @Jwadow Use Claude models from Kiro with Claude Code, OpenCode, OpenClaw, Claw Code, Codex app, Cursor, Cline, Roo Code, Kilo Code, Obsidian, OpenAI SDK, LangChain, Continue and other OpenAI or Anthropic compatible tools Models • Features • Quick Start • Configuration • 💖 Sponsor 🤖 Available Models (Free List) ⚠️ Important: Model availability depends on your Kiro tier (free/paid). The gateway provides…
read the full kiro-gateway overview →
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Frequently asked questions
Is Tailcall or kiro-gateway more popular?
Tailcall has 7,633 GitHub stars and kiro-gateway has 2,347. Tailcall has the larger community by that measure.
Are Tailcall and kiro-gateway free?
Both are open source. Tailcall is licensed under Apache-2.0 and kiro-gateway under AGPL-3.0. Neither carries a licence fee.
What is the difference between Tailcall and kiro-gateway?
Tailcall is written in Rust and kiro-gateway in Python. 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 kiro-gateway?
Choose Tailcall if you want the larger community (7,633 stars) or its Apache-2.0 licence terms. Choose kiro-gateway if its feature set, stack or AGPL-3.0 licence fits better. Both are self-hostable.