head to head · open source
ECC vs config-file-validator
ECC has 273,125 GitHub stars, 40,766 forks, 345 open issues and last shipped today. config-file-validator has 515 stars, 117 forks, 12 open issues and last shipped today. ECC leads on adoption by 52,934% (273,125 vs 515 stars). ECC is written in JavaScript under MIT; config-file-validator is written in Go under Apache-2.0. ECC has attracted 15% as many forks as stars, config-file-validator 23%. 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 | config-file-validator | |
|---|---|---|
| GitHub stars | ★ 273K | ★ 515 |
| License | MIT | Apache-2.0 |
| Written in | JavaScript | Go |
| Last push | 2026-10-05 | 2026-10-05 |
| Forks | ⑂ 41K | ⑂ 117 |
| 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 config-file-validator if
- You want the config-file-validator feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Go
- You evaluated both and config-file-validator 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 config-file-validator
cfv is a cross platform command line toolchain, written in Go, that validates syntax, schema compliance, and formatting across 18 configuration file types for developers and DevOps engineers.
read the full config-file-validator overview →
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Frequently asked questions
Is ECC or config-file-validator more popular?
ECC has 273,125 GitHub stars and config-file-validator has 515. ECC has the larger community by that measure.
Are ECC and config-file-validator free?
Both are open source. ECC is licensed under MIT and config-file-validator under Apache-2.0. Neither carries a licence fee.
What is the difference between ECC and config-file-validator?
ECC is written in JavaScript and config-file-validator in Go. 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 config-file-validator?
Choose ECC if you want the larger community (273,125 stars) or its MIT licence terms. Choose config-file-validator if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.