TCP port scanner, spews SYN packets asynchronously, scanning entire Internet in under 5 minutes.

Flexible I/O Tester

The client of the future

Improved Quake III Arena engine

The collaborative Open Source successor to qmail and netqmail

HWRaid: Free code from http://hwraid.le-vert.net

Production-ready replacement for OpenLDAP with robust multi-master replication (MegaFon).

An IRCd for unified networks

Memory-hard scheme Argon2

A terminal session recorder and replayer written in C that allows you to capture and replay terminal sessions with precise timing.

radsecproxy is a generic RADIUS proxy that supports both UDP and TLS (RadSec) RADIUS transports.

Password Hashing Competition Submissions

ScrollZ IRC client