head to head · open source
ECC vs wthrr-the-weathercrab
ECC has 273,125 GitHub stars, 40,766 forks, 345 open issues and last shipped today. wthrr-the-weathercrab has 501 stars, 25 forks, 23 open issues and last shipped 4 days ago. ECC leads on adoption by 54,416% (273,125 vs 501 stars). ECC is written in JavaScript under MIT; wthrr-the-weathercrab is written in Rust under MIT. ECC has attracted 15% as many forks as stars, wthrr-the-weathercrab 5%. 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 | wthrr-the-weathercrab | |
|---|---|---|
| GitHub stars | ★ 273K | ★ 501 |
| License | MIT | MIT |
| Written in | JavaScript | Rust |
| Last push | 2026-10-05 | 2026-10-01 |
| Forks | ⑂ 41K | ⑂ 25 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick ECC if
- You weight community size — 273K stars and counting
- You want the MIT license terms
- Your stack matches JavaScript
- You value the larger contributor base for long-term maintenance
pick wthrr-the-weathercrab if
- You want the wthrr-the-weathercrab feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Rust
- You evaluated both and wthrr-the-weathercrab 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 wthrr-the-weathercrab
wthrr the weathercrab is a Rust command line weather companion that lives in your terminal, built for developers and TUI users who want forecasts without leaving their shell.
read the full wthrr-the-weathercrab overview →
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Frequently asked questions
Is ECC or wthrr-the-weathercrab more popular?
ECC has 273,125 GitHub stars and wthrr-the-weathercrab has 501. ECC has the larger community by that measure.
Are ECC and wthrr-the-weathercrab free?
Both are open source. ECC is licensed under MIT and wthrr-the-weathercrab under MIT. Neither carries a licence fee.
What is the difference between ECC and wthrr-the-weathercrab?
ECC is written in JavaScript and wthrr-the-weathercrab 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 wthrr-the-weathercrab?
Choose ECC if you want the larger community (273,125 stars) or its MIT licence terms. Choose wthrr-the-weathercrab if its feature set, stack or MIT licence fits better. Both are self-hostable.