+904 stars
from 23,022 · score 6.81
Trending repositories
Ranked by Attention Score: stars gained over the last 30 complete days
18 repositories by Attention Score · Oct 5, 2026 – Nov 3, 2026 (UTC)
2.aixisstudio / Snitch
Real-time network monitor + outbound firewall — see & block every connection. Privacy-first, local-first, Rust fleet agent, SIEM exports, 8 languages. / Moniteur réseau temps réel + pare-feu sortant, agent de flotte Rust, exports SIEM. 100 % local.
- cybersecurity
- d3js
- electron
- fastapi
- network-monitor
- privacy
- +14 more
+668 stars
from 48 · score 6.51
3.chaitin / SafeLine
SafeLine is a self-hosted WAF(Web Application Firewall) / reverse proxy to protect your web apps from attacks and exploits.
+500 stars
from 22,663 · score 6.22
4.crowdsecurity / crowdsec
Open-source IDS/IPS, WAF and bot detection for Linux, Windows, Docker and Kubernetes, with a crowdsourced blocklist of malicious IPs.
+397 stars
from 15,047 · score 5.99
5.v55448330 / lazy-balancer-v2
Caddy Reverse Proxy Balancer and WAF WebUI
+359 stars
from 283 · score 5.89
6.fail2ban / fail2ban
Daemon to ban hosts that cause multiple authentication errors
+254 stars
from 18,690 · score 5.54
7.objective-see / LuLu
LuLu is the free open-source macOS firewall
+233 stars
from 13,267 · score 5.46
8.emanuele-f / PCAPdroid
No-root network monitor, firewall and PCAP dumper for Android
+222 stars
from 4,849 · score 5.41
9.bunkerity / bunkerweb
🛡️ Open-source and cloud-native Web Application Firewall (WAF)
- nginx
- modsecurity
- docker
- security
- dnsbl
- reverse-proxy
- +14 more
+190 stars
from 11,026 · score 5.25
10.safing / portmaster
🏔 Love Freedom - ❌ Block Mass Surveillance
+165 stars
from 13,855 · score 5.11
11.evilsocket / opensnitch
OpenSnitch is a GNU/Linux interactive application firewall inspired by Little Snitch.
- application-firewall
- firewall
- linux
- networking
- security
- data-breach
+134 stars
from 14,107 · score 4.91
12.corazawaf / coraza
OWASP Coraza WAF is a golang modsecurity compatible web application firewall library
- coraza
- waf
- coraza-waf
- owasp-crs
- modsecurity
- coreruleset
- +6 more
+126 stars
from 3,866 · score 4.84
13.openappsec / openappsec
open-appsec is a machine learning security engine that preemptively and automatically prevents threats against Web Application & APIs. This repo include the main code and logic.
- api-security
- application-security
- kubernetes
- nginx
- web-application-firewall
- appsec
- +9 more
+26 stars
from 1,718 · score 3.30
14.OpenNHP / opennhp
Make your infrastructure invisible to attackers. OpenNHP implements the Network-infrastructure Hiding Protocol (NHP): authenticate before connection, cryptographically. IETF draft.
- cybersecurity
- zero-trust
- zero-trust-network-access
- zero-trust-security
+23 stars
from 13,930 · score 3.18
15.Safe3 / uusec-waf
Industry-leading free, high-performance, AI and semantic technology Web Application Firewall and API Security Gateway (WAAP) - UUSEC WAF.
- waf
- application-security
- web-application-firewall
- modsecurity
- web-security-gateway
- api-gateway
- +14 more
+11 stars
from 1,708 · score 2.48
16.AltraMayor / gatekeeper
The first open-source DDoS protection system
- dpdk
- ddos
- ddos-mitigation
- ddos-protection
- anti-ddos
+8 stars
from 1,644 · score 2.20
+5 stars
from 5,760 · score 1.79
18.cossacklabs / acra
Database security suite. Database proxy with field-level encryption, search through encrypted data, SQL injections prevention, intrusion detection, honeypots. Supports client-side and proxy-side ("transparent") encryption. SQL, NoSQL.
- encryption-server
- encryption
- crypto
- cryptography
- security
- intrusion-detection
- +7 more
+4 stars
from 1,491 · score 1.61