head to head · open source
ECC vs fireworks-tech-graph
ECC has 274,211 GitHub stars, 40,911 forks, 351 open issues and last shipped 2 days ago. fireworks-tech-graph has 11,611 stars, 919 forks, 0 open issues and last shipped 1 months ago. ECC leads on adoption by 2,262% (274,211 vs 11,611 stars). ECC is written in JavaScript under MIT; fireworks-tech-graph is written in Python under MIT. ECC has attracted 15% as many forks as stars, fireworks-tech-graph 8%. ECC was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 2 topic tags (claude-code, developer-tools), so they are genuine substitutes rather than adjacent tools.
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 | fireworks-tech-graph | |
|---|---|---|
| GitHub stars | ★ 274K | ★ 12K |
| License | MIT | MIT |
| Written in | JavaScript | Python |
| Last push | 2026-10-05 | 2026-09-05 |
| Forks | ⑂ 41K | ⑂ 919 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick ECC if
- You weight community size — 274K stars and counting
- You want the MIT license terms
- Your stack matches JavaScript
- You value the larger contributor base for long-term maintenance
pick fireworks-tech-graph if
- You want the fireworks-tech-graph feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Python
- You evaluated both and fireworks-tech-graph 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 fireworks-tech-graph
fireworks tech graph is an MIT licensed Python Agent Skill for developers and technical writers using Codex or Claude Code that turns English or Chinese prompts into production quality SVG diagrams, PNG exports, SVG to GIF motion, and offline interactive HTML technical diagrams.
read the full fireworks-tech-graph overview →
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Frequently asked questions
Is ECC or fireworks-tech-graph more popular?
ECC has 274,211 GitHub stars and fireworks-tech-graph has 11,611. ECC has the larger community by that measure.
Are ECC and fireworks-tech-graph free?
Both are open source. ECC is licensed under MIT and fireworks-tech-graph under MIT. Neither carries a licence fee.
What is the difference between ECC and fireworks-tech-graph?
ECC is written in JavaScript and fireworks-tech-graph in Python. 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 fireworks-tech-graph?
Choose ECC if you want the larger community (274,211 stars) or its MIT licence terms. Choose fireworks-tech-graph if its feature set, stack or MIT licence fits better. Both are self-hostable.