head to head · open source
ECC vs ToolJet
ECC has 261,896 GitHub stars, 39,186 forks, 228 open issues and last shipped 2 days ago. ToolJet has 40,937 stars, 5,447 forks, 1,204 open issues and last shipped yesterday. ECC leads on adoption by 540% (261,896 vs 40,937 stars). ECC is written in JavaScript under MIT; ToolJet is written in JavaScript under AGPL-3.0. ECC has attracted 15% as many forks as stars, ToolJet 13%. ToolJet 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 | ToolJet | |
|---|---|---|
| GitHub stars | ★ 262K | ★ 41K |
| License | MIT | AGPL-3.0 |
| Written in | JavaScript | JavaScript |
| Last push | 2026-09-17 | 2026-09-18 |
| Forks | ⑂ 39K | ⑂ 5.4K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick ECC if
- You weight community size — 262K stars and counting
- You want the MIT license terms
- Your stack matches JavaScript
- You value the larger contributor base for long-term maintenance
pick ToolJet if
- You want the ToolJet feature set and don't need the biggest community
- You prefer the AGPL-3.0 license terms
- Your stack matches JavaScript
- You evaluated both and ToolJet 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 ToolJet
ToolJet is an open source low code platform for building internal tools—admin panels, dashboards, and operational applications—by connecting to existing databases, APIs, and SaaS systems. It lives in the JavaScript ecosystem and is licensed under AGPL 3.0.
read the full ToolJet overview →
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Frequently asked questions
Is ECC or ToolJet more popular?
ECC has 261,896 GitHub stars and ToolJet has 40,937. ECC has the larger community by that measure.
Are ECC and ToolJet free?
Both are open source. ECC is licensed under MIT and ToolJet under AGPL-3.0. Neither carries a licence fee.
What is the difference between ECC and ToolJet?
ECC is written in JavaScript and ToolJet in JavaScript. 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 ToolJet?
Choose ECC if you want the larger community (261,896 stars) or its MIT licence terms. Choose ToolJet if its feature set, stack or AGPL-3.0 licence fits better. Both are self-hostable.