Open-source projects tagged “security”

A Web Application Firewall middleware for the Caddy web server, with regex rules, IP/DNS/ASN/GeoIP filtering, rate limiting and Tor exit-node blocking.

A Go implementation of the endlessh SSH tarpit that exports Prometheus metrics and ships with a Grafana dashboard for attacker statistics.

Open-source Android authenticator app from 2FAS that generates TOTP and HOTP one-time codes for two-factor login.

A Python CLI that automatically locks your desktop when your paired Bluetooth phone or smartwatch moves out of range.

Converts untrusted PDFs, office documents and images into safe PDFs by rasterizing them inside a sandbox.

Self-hosted code quality and security platform that scans projects for bugs, vulnerabilities and maintainability issues, with Quality Gates for CI pipelines.

A end-to-end encrypted messaging app and network that uses no user identifiers, with iOS, Android, desktop and terminal clients.

A web management platform for operating Fail2Ban across one or more Linux hosts, covering bans, jails, filters and alerts.

Web toolkit for analyzing any domain, combining DNS lookups, IP geolocation, WHOIS and SSL certificate history in one interface.

Open-source password manager built with Flutter for mobile, desktop and web, compatible with KeePass 2.x KDBX 3 and KDBX 4 databases.