head to head · open source
ECC vs Structr
ECC has 263,046 GitHub stars, 39,368 forks, 204 open issues and last shipped today. Structr has 830 stars, 161 forks, 5 open issues and last shipped 10 days ago. ECC leads on adoption by 31,592% (263,046 vs 830 stars). ECC is written in JavaScript under MIT; Structr is written in Java under a custom or non-standard licence. ECC has attracted 15% as many forks as stars, Structr 19%. 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 | Structr | |
|---|---|---|
| GitHub stars | ★ 263K | ★ 830 |
| License | MIT | Custom / other |
| Written in | JavaScript | Java |
| Last push | 2026-09-20 | 2026-09-10 |
| Forks | ⑂ 39K | ⑂ 161 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick ECC if
- You weight community size — 263K stars and counting
- You want the MIT license terms
- Your stack matches JavaScript
- You value the larger contributor base for long-term maintenance
pick Structr if
- You want the Structr feature set and don't need the biggest community
- You prefer the Custom / other license terms
- Your stack matches Java
- You evaluated both and Structr 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 Structr
Structr is an open source, generic low code development and runtime platform built on a graph database, aimed at developers and teams who need to model, build, and operate fully custom applications rather than configure a prebuilt product.
read the full Structr overview →
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Frequently asked questions
Is ECC or Structr more popular?
ECC has 263,046 GitHub stars and Structr has 830. ECC has the larger community by that measure.
Are ECC and Structr free?
Both are open source. ECC is licensed under MIT, and Structr has no licence declared in this registry. Both are free to self-host.
What is the difference between ECC and Structr?
ECC is written in JavaScript and Structr in Java. 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 Structr?
Choose ECC if you want the larger community (263,046 stars) or its MIT licence terms. Choose Structr if its feature set, stack or Custom / other licence fits better. Both are self-hostable.