Open-source IDS/IPS, WAF and bot detection for Linux, Windows, Docker and Kubernetes, with a crowdsourced blocklist of malicious IPs.
Top BLOCKLIST GitHub Repositories & Tools (2026)
Discover the most starred and trending open source tools tagged with #blocklist.
Free, open-source application firewall for macOS. Little Snitch alternative with zero telemetry. Native SwiftUI world map, rules manager, DNS over HTTPS, pf-based blocking. Signed, notarized, MIT licensed.
Blocklists for AdGuard Home, AdGuard, Little Snitch, Open Snitch, uBlock Origin, Brave Adblock, pfBlockerNG, and PiHole. Combine with Hagezi and OISD
A collection of unified blocklists designed to provide complete filtering capabilities for different online threats. Curated from multiple sources (click ๐ด The Sources ๐ด in README.md to view), these blocklists offer a robust solution for blocking ads, malware, trackers, and other unwanted content.
My filter lists - feel free to add these lists to uBlock Origin
CIDRAM: Classless Inter-Domain Routing Access Manager.
10-20x more blocks for your CrowdSec bouncers โ 120k+ IPs from 32 free threat feeds