head to head · open source
rengine vs Tracecat
rengine has 8,871 GitHub stars, 1,343 forks, 164 open issues and last shipped yesterday. Tracecat has 3,826 stars, 432 forks, 137 open issues and last shipped today. rengine leads on adoption by 132% (8,871 vs 3,826 stars). rengine is written in HTML under GPL-3.0; Tracecat is written in Python under AGPL-3.0. rengine has attracted 15% as many forks as stars, Tracecat 11%. Tracecat 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.
← all 20902 open source comparisons
Side by side
| rengine | Tracecat | |
|---|---|---|
| GitHub stars | ★ 8.9K | ★ 3.8K |
| License | GPL-3.0 | AGPL-3.0 |
| Written in | HTML | Python |
| Last push | 2026-10-07 | 2026-10-08 |
| Forks | ⑂ 1.3K | ⑂ 432 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick rengine if
- You weight community size — 8.9K stars and counting
- You want the GPL-3.0 license terms
- Your stack matches HTML
- You value the larger contributor base for long-term maintenance
pick Tracecat if
- You want the Tracecat feature set and don't need the biggest community
- You prefer the AGPL-3.0 license terms
- Your stack matches Python
- You evaluated both and Tracecat fits your workflow better
About rengine
reNgine is an open source automated reconnaissance framework for web applications, built for penetration testers, bug bounty hunters and corporate security teams who need a configurable, repeatable recon process with the results correlated and stored in one place.
read the full rengine overview →
About Tracecat
Tracecat is an open source security automation platform for teams and AI agents. It lives in the security operations and incident response ecosystem, combining agents, workflows, lookup tables, and case management in one Python application. The project is licensed under AGPL 3.0, with a separate paid Enterprise Edition directory and feature gates.
read the full Tracecat overview →
More in Security & Privacy
Related comparisons
More Threat Detection & Response projects
Compare either of these against the rest of the Threat Detection & Response field.
Frequently asked questions
Is rengine or Tracecat more popular?
rengine has 8,871 GitHub stars and Tracecat has 3,826. rengine has the larger community by that measure.
Are rengine and Tracecat free?
Both are open source. rengine is licensed under GPL-3.0 and Tracecat under AGPL-3.0. Neither carries a licence fee.
What is the difference between rengine and Tracecat?
rengine is written in HTML and Tracecat 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, rengine or Tracecat?
Choose rengine if you want the larger community (8,871 stars) or its GPL-3.0 licence terms. Choose Tracecat if its feature set, stack or AGPL-3.0 licence fits better. Both are self-hostable.