Open-source DDoS mitigation for Linux: nftables and XDP drops, 110 attack signatures, auto-learning, sFlow/NetFlow and BGP up to 100G, game and VPN aware, Discord alerts. One-command install
0vm/NetDeflect has 418 GitHub stars.
It currently ranks #34221 daily, #34507 weekly, #10766 monthly by momentum on Trending Repos; its best-ever rank is #4966.