What are some common GitHub repositories offering tools or scripts for DDoS attack mitigation?

Several GitHub repositories provide tools and scripts for DDoS mitigation. Examples include 'cloudflare/cloudflared' (for integrating with Cloudflare), 'project-ddos/ddos-protection' (a collection of scripts and configurations), and repositories focusing on specific mitigation techniques like rate limiting or traffic filtering using tools like iptables or fail2ban. Searching GitHub with keywords like 'ddos mitigation', 'ddos protection', 'rate limiting', or 'iptables' will yield numerous results.