head to head · open source
Tailcall vs RWKV-Runner
Tailcall has 7,633 GitHub stars, 1,456 forks, 45 open issues and last shipped 2 days ago. RWKV-Runner has 6,500 stars, 594 forks, 178 open issues and last shipped 3 days ago. Tailcall leads on adoption by 17% (7,633 vs 6,500 stars). Tailcall is written in Rust under Apache-2.0; RWKV-Runner is written in TypeScript under MIT. Tailcall has attracted 19% as many forks as stars, RWKV-Runner 9%. 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 | RWKV-Runner | |
|---|---|---|
| GitHub stars | ★ 7.6K | ★ 6.5K |
| License | Apache-2.0 | MIT |
| Written in | Rust | TypeScript |
| Last push | 2026-11-03 | 2026-11-02 |
| Forks | ⑂ 1.5K | ⑂ 594 |
| 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 RWKV-Runner if
- You want the RWKV-Runner feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and RWKV-Runner 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 RWKV-Runner
RWKV Runner This project aims to eliminate the barriers of using large language models by automating everything for you. All you need is a lightweight executable program of just a few megabytes. Additionally, this project provides an interface compatible with the OpenAI API, which means that every ChatGPT client is an RWKV client. [![license][license image]][license url] [![release][release image]][release url] [![py version][py version image]][py version url] English 简体中文 日本語 Install [![Windows][Windows image]][Windows url] [![MacOS][MacOS image]][MacOS url] [![Linux][Linux image]][Linux url] FAQs Preview…
read the full RWKV-Runner overview →
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Frequently asked questions
Is Tailcall or RWKV-Runner more popular?
Tailcall has 7,633 GitHub stars and RWKV-Runner has 6,500. Tailcall has the larger community by that measure.
Are Tailcall and RWKV-Runner free?
Both are open source. Tailcall is licensed under Apache-2.0 and RWKV-Runner under MIT. Neither carries a licence fee.
What is the difference between Tailcall and RWKV-Runner?
Tailcall is written in Rust and RWKV-Runner 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 RWKV-Runner?
Choose Tailcall if you want the larger community (7,633 stars) or its Apache-2.0 licence terms. Choose RWKV-Runner if its feature set, stack or MIT licence fits better. Both are self-hostable.