head to head · open source
rengine vs tenzir
rengine has 8,871 GitHub stars, 1,343 forks, 164 open issues and last shipped yesterday. tenzir has 762 stars, 110 forks, 0 open issues and last shipped today. rengine leads on adoption by 1,064% (8,871 vs 762 stars). rengine is written in HTML under GPL-3.0; tenzir is written in C++ under BSD-3-Clause. rengine has attracted 15% as many forks as stars, tenzir 14%. tenzir 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
| rengine | tenzir | |
|---|---|---|
| GitHub stars | ★ 8.9K | ★ 762 |
| License | GPL-3.0 | BSD-3-Clause |
| Written in | HTML | C++ |
| Last push | 2026-10-07 | 2026-10-08 |
| Forks | ⑂ 1.3K | ⑂ 110 |
| 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 tenzir if
- You want the tenzir feature set and don't need the biggest community
- You prefer the BSD-3-Clause license terms
- Your stack matches C++
- You evaluated both and tenzir 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 tenzir
Tenzir is a data pipeline engine for security teams — written in C++ and released under the BSD 3 Clause licence — that lets SOC analysts, detection engineers, and incident responders collect, transform, enrich, and route security telemetry instead of only storing it.
read the full tenzir overview →
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Frequently asked questions
Is rengine or tenzir more popular?
rengine has 8,871 GitHub stars and tenzir has 762. rengine has the larger community by that measure.
Are rengine and tenzir free?
Both are open source. rengine is licensed under GPL-3.0 and tenzir under BSD-3-Clause. Neither carries a licence fee.
What is the difference between rengine and tenzir?
rengine is written in HTML and tenzir in C++. 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 tenzir?
Choose rengine if you want the larger community (8,871 stars) or its GPL-3.0 licence terms. Choose tenzir if its feature set, stack or BSD-3-Clause licence fits better. Both are self-hostable.