head to head · open source
rtk vs Emdash
rtk has 85,327 GitHub stars, 5,462 forks, 1,642 open issues and last shipped yesterday. Emdash has 6,154 stars, 658 forks, 95 open issues and last shipped yesterday. rtk leads on adoption by 1,287% (85,327 vs 6,154 stars). rtk is written in Rust under Apache-2.0; Emdash is written in TypeScript under Apache-2.0. rtk has attracted 6% as many forks as stars, Emdash 11%. rtk was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 2 topic tags (claude-code, cli), 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
| rtk | Emdash | |
|---|---|---|
| GitHub stars | ★ 85K | ★ 6.2K |
| License | Apache-2.0 | Apache-2.0 |
| Written in | Rust | TypeScript |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 5.5K | ⑂ 658 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick rtk if
- You weight community size — 85K 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 Emdash if
- You want the Emdash 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 Emdash fits your workflow better
About rtk
High performance CLI proxy that cuts up to 90% of the bash output your agent reads Website • Install • Troubleshooting • Architecture • Discord English • Francais • 中文 • 日本語 • 한국어 • Espanol • Português rtk filters and compresses command outputs before they reach your LLM context. Single Rust binary, 100+ supported commands, Full explanation: How RTK Savings Work Installation Homebrew (recommended) winget (Windows) Easiest way to install on Windows — one command, no PATH setup needed: Quick Install (Linux/macOS) Installs to /.local/bin . Add to PATH if needed…
About Emdash
Download · Docs · Releases · Discord · Contributing Emdash is a desktop app for running AI coding agents in parallel. Each task runs in its own Git worktree, so you can explore multiple fixes or features at once, review the diffs, and merge what works. It works with local projects and remote machines over SSH. Bring the CLI agents you already use: Claude Code, Codex, OpenCode, Amp, and more. What You Can Do Run multiple coding agents at once without juggling terminals. Keep every agent isolated in its own Git worktree and branch. Send issues and tickets from Linear, GitHub, Jira, GitLab, Asana, Featurebase…
read the full Emdash overview →
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Frequently asked questions
Is rtk or Emdash more popular?
rtk has 85,327 GitHub stars and Emdash has 6,154. rtk has the larger community by that measure.
Are rtk and Emdash free?
Both are open source. rtk is licensed under Apache-2.0 and Emdash under Apache-2.0. Neither carries a licence fee.
What is the difference between rtk and Emdash?
rtk is written in Rust and Emdash 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, rtk or Emdash?
Choose rtk if you want the larger community (85,327 stars) or its Apache-2.0 licence terms. Choose Emdash if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.