head to head · open source
pentagi vs tenzir
pentagi has 25,318 GitHub stars, 3,246 forks, 71 open issues and last shipped 3 days ago. tenzir has 762 stars, 110 forks, 0 open issues and last shipped today. pentagi leads on adoption by 3,223% (25,318 vs 762 stars). pentagi is written in Go under MIT; tenzir is written in C++ under BSD-3-Clause. pentagi has attracted 13% 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
| pentagi | tenzir | |
|---|---|---|
| GitHub stars | ★ 25K | ★ 762 |
| License | MIT | BSD-3-Clause |
| Written in | Go | C++ |
| Last push | 2026-10-05 | 2026-10-08 |
| Forks | ⑂ 3.2K | ⑂ 110 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick pentagi if
- You weight community size — 25K stars and counting
- You want the MIT license terms
- Your stack matches Go
- 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 pentagi
PentAGI is an MIT licensed, self hosted multi agent system written in Go that runs fully autonomous AI agents to perform complex penetration testing tasks inside an isolated Docker sandbox, built for information security professionals, researchers, and enthusiasts.
read the full pentagi 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 pentagi or tenzir more popular?
pentagi has 25,318 GitHub stars and tenzir has 762. pentagi has the larger community by that measure.
Are pentagi and tenzir free?
Both are open source. pentagi is licensed under MIT and tenzir under BSD-3-Clause. Neither carries a licence fee.
What is the difference between pentagi and tenzir?
pentagi is written in Go 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, pentagi or tenzir?
Choose pentagi if you want the larger community (25,318 stars) or its MIT licence terms. Choose tenzir if its feature set, stack or BSD-3-Clause licence fits better. Both are self-hostable.