head to head · open source
crowdsec vs afrog
crowdsec has 14,975 GitHub stars, 721 forks, 296 open issues and last shipped 2 days ago. afrog has 4,420 stars, 483 forks, 111 open issues and last shipped 2 days ago. crowdsec leads on adoption by 239% (14,975 vs 4,420 stars). crowdsec is written in Go under MIT; afrog is written in HTML under MIT. crowdsec has attracted 5% as many forks as stars, afrog 11%. crowdsec 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
| crowdsec | afrog | |
|---|---|---|
| GitHub stars | ★ 15K | ★ 4.4K |
| License | MIT | MIT |
| Written in | Go | HTML |
| Last push | 2026-09-25 | 2026-09-25 |
| Forks | ⑂ 721 | ⑂ 483 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick crowdsec if
- You weight community size — 15K stars and counting
- You want the MIT license terms
- Your stack matches Go
- You value the larger contributor base for long-term maintenance
pick afrog if
- You want the afrog feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches HTML
- You evaluated both and afrog fits your workflow better
About crowdsec
CrowdSec is an open source, MIT licensed intrusion detection and prevention system, WAF and bot detection engine that analyses logs and HTTP requests and blocks malicious IPs at the firewall, reverse proxy or CDN, built for Linux, Windows, Docker and Kubernetes operators who want community sourced threat intelligence sitting behind their own infrastructure.
read the full crowdsec overview →
About afrog
afrog is an MIT licensed vulnerability scanner built for bug bounty, penetration testing and red teaming, aimed at testers who need fast verification of web targets and network services with low false positives.
read the full afrog overview →
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Frequently asked questions
Is crowdsec or afrog more popular?
crowdsec has 14,975 GitHub stars and afrog has 4,420. crowdsec has the larger community by that measure.
Are crowdsec and afrog free?
Both are open source. crowdsec is licensed under MIT and afrog under MIT. Neither carries a licence fee.
What is the difference between crowdsec and afrog?
crowdsec is written in Go and afrog in HTML. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, crowdsec or afrog?
Choose crowdsec if you want the larger community (14,975 stars) or its MIT licence terms. Choose afrog if its feature set, stack or MIT licence fits better. Both are self-hostable.