head to head · open source
ECC vs tirith
ECC has 270,129 GitHub stars, 40,365 forks, 206 open issues and last shipped yesterday. tirith has 2,748 stars, 97 forks, 18 open issues and last shipped yesterday. ECC leads on adoption by 9,730% (270,129 vs 2,748 stars). ECC is written in JavaScript under MIT; tirith is written in Rust under AGPL-3.0. ECC has attracted 15% as many forks as stars, tirith 4%. ECC 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
| ECC | tirith | |
|---|---|---|
| GitHub stars | ★ 270K | ★ 2.7K |
| License | MIT | AGPL-3.0 |
| Written in | JavaScript | Rust |
| Last push | 2026-09-30 | 2026-09-30 |
| Forks | ⑂ 40K | ⑂ 97 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick ECC if
- You weight community size — 270K stars and counting
- You want the MIT license terms
- Your stack matches JavaScript
- You value the larger contributor base for long-term maintenance
pick tirith if
- You want the tirith feature set and don't need the biggest community
- You prefer the AGPL-3.0 license terms
- Your stack matches Rust
- You evaluated both and tirith fits your workflow better
About ECC
ECC is an MIT licensed open source agent harness performance optimization system that gives AI coding agents a coordinated engineering workflow — plan, test, implement, review, verify, remember, improve — for developers working in Claude Code, Codex, OpenCode, Cursor, and other harnesses.
About tirith
Tirith is an AGPL 3.0 licensed terminal security tool written in Rust that intercepts commands, pasted content and scanned files before they execute, catching homograph URLs, obfuscated payloads, credential exfiltration and malicious AI skills or configs for developers and AI agents working in the shell.
read the full tirith overview →
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Frequently asked questions
Is ECC or tirith more popular?
ECC has 270,129 GitHub stars and tirith has 2,748. ECC has the larger community by that measure.
Are ECC and tirith free?
Both are open source. ECC is licensed under MIT and tirith under AGPL-3.0. Neither carries a licence fee.
What is the difference between ECC and tirith?
ECC is written in JavaScript and tirith in Rust. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, ECC or tirith?
Choose ECC if you want the larger community (270,129 stars) or its MIT licence terms. Choose tirith if its feature set, stack or AGPL-3.0 licence fits better. Both are self-hostable.