1.crowdsecurity / crowdsec
Open-source IDS/IPS, WAF and bot detection for Linux, Windows, Docker and Kubernetes, with a crowdsourced blocklist of malicious IPs.
+1,043 stars
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4 repositories by Attention Score · Aug 5, 2026 – Nov 2, 2026 (UTC)
Open-source IDS/IPS, WAF and bot detection for Linux, Windows, Docker and Kubernetes, with a crowdsourced blocklist of malicious IPs.
🛡️ Open-source and cloud-native Web Application Firewall (WAF)
OWASP Coraza WAF is a golang modsecurity compatible web application firewall library
Industry-leading free, high-performance, AI and semantic technology Web Application Firewall and API Security Gateway (WAAP) - UUSEC WAF.