QConf
QConf simplifies the configuration of qmake-based projects by providing a user-friendly script. This software allows for easy customization and setup of your project.
Justin Karneges
Qt Cryptographic Architecture
Qt Cryptographic Architecture features a user-friendly and multi-platform cryptology interface designed to simplify encryption tasks for developers.
JDNS
JDNS is an easy-to-use DNS software that supports all record types for regular DNS queries.
Ambrosia XMPP Server
Ambrosia is an XMPP/Jabber server that functions as a proof of concept.