Open-source intrusion detection and prevention engine that parses logs and HTTP traffic, blocks malicious IPs, and shares threat signals in a crowdsourced blocklist.
15.3K751GoMITUpdated yesterday
1 alternative
Best open-source alternatives to fail2ban (2026)
Looking for a free, open-source alternative to fail2ban? These 1 projects can replace it. Each one passed our quality screening and is explained in plain words, so you can compare stars, license and maintenance at a glance.
Quick comparison
| Project | Stars | License | Last commit |
|---|---|---|---|
| crowdsecurity/crowdsec | ★ 15.3K | MIT | yesterday |
FAQ
- Is there a free, open-source alternative to fail2ban?
- Yes. The most popular open-source alternatives to fail2ban on Repolode are crowdsec.
- Which fail2ban alternative should I choose?
- crowdsec has the most GitHub stars and is released under MIT. Compare the license and last commit of each option in the table above before choosing.