head to head · open source
Tailcall vs macai
Tailcall has 7,633 GitHub stars, 1,456 forks, 45 open issues and last shipped 2 days ago. macai has 939 stars, 75 forks, 44 open issues and last shipped 3 months ago. Tailcall leads on adoption by 713% (7,633 vs 939 stars). Tailcall is written in Rust under Apache-2.0; macai is written in Swift under Apache-2.0. Tailcall has attracted 19% as many forks as stars, macai 8%. Tailcall was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 2 topic tags (grok, 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 | macai | |
|---|---|---|
| GitHub stars | ★ 7.6K | ★ 939 |
| License | Apache-2.0 | Apache-2.0 |
| Written in | Rust | Swift |
| Last push | 2026-11-03 | 2026-08-16 |
| Forks | ⑂ 1.5K | ⑂ 75 |
| 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 macai if
- You want the macai feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Swift
- You evaluated both and macai 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 macai
macai macai (macOS AI) is a simple yet powerful native macOS AI chat client that supports most AI providers: ChatGPT, Claude, xAI (Grok), Google Gemini, Perplexity, Ollama, OpenRouter, and almost any OpenAI compatible APIs. Table of Contents Downloads Manual Homebrew Contributions Why macai Run with ChatGPT, Claude, xAI or Google Gemini Run with Ollama System requirements Project status Build from source iCloud Sync Configuration License Downloads Manual Download latest universal binary, notarized by Apple. Homebrew Install macai cask with homebrew: brew install cask macai Contributions Contributions are…
read the full macai overview →
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Frequently asked questions
Is Tailcall or macai more popular?
Tailcall has 7,633 GitHub stars and macai has 939. Tailcall has the larger community by that measure.
Are Tailcall and macai free?
Both are open source. Tailcall is licensed under Apache-2.0 and macai under Apache-2.0. Neither carries a licence fee.
What is the difference between Tailcall and macai?
Tailcall is written in Rust and macai in Swift. 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 macai?
Choose Tailcall if you want the larger community (7,633 stars) or its Apache-2.0 licence terms. Choose macai if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.