head to head · open source
ECC vs eventing
ECC has 262,175 GitHub stars, 39,228 forks, 228 open issues and last shipped today. eventing has 1,554 stars, 631 forks, 150 open issues and last shipped yesterday. ECC leads on adoption by 16,771% (262,175 vs 1,554 stars). ECC is written in JavaScript under MIT; eventing is written in Go under Apache-2.0. ECC has attracted 15% as many forks as stars, eventing 41%. 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 | eventing | |
|---|---|---|
| GitHub stars | ★ 262K | ★ 1.6K |
| License | MIT | Apache-2.0 |
| Written in | JavaScript | Go |
| Last push | 2026-09-19 | 2026-09-18 |
| Forks | ⑂ 39K | ⑂ 631 |
| 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 eventing if
- You want the eventing 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 eventing 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 eventing
Knative Eventing is an open source, event driven application platform for Kubernetes that gives teams a CloudEvents based way to produce, route, and consume events across services running in a cluster.
read the full eventing overview →
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Frequently asked questions
Is ECC or eventing more popular?
ECC has 262,175 GitHub stars and eventing has 1,554. ECC has the larger community by that measure.
Are ECC and eventing free?
Both are open source. ECC is licensed under MIT and eventing under Apache-2.0. Neither carries a licence fee.
What is the difference between ECC and eventing?
ECC is written in JavaScript and eventing 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 eventing?
Choose ECC if you want the larger community (262,175 stars) or its MIT licence terms. Choose eventing if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.