Qt is a cross-platform C++ application framework. Qt's primary feature is its rich set of widgets that provide standard GUI functionality.

This is the GNU Modula-2 standard library that comes with the gm2 compiler.

Lazarus is an IDE to create (graphical and console) applications with Free Pascal, the (L)GPLed Pascal and Object Pascal compiler that runs on Windows, Linux, Mac OS X, FreeBSD and more.

Libervia is a multi-frontends, multi-purposes communication tool, based on the XMPP standard. It features: * instant messaging * microblogging * file sharing * games * group permissions (share what you want with the people you choose) * interaction with other networks (IRC, StatusNet, other XMPP networks) * email client access (use your favorite mail user agent (MUA) to communicate on the supported networks) * extensible design

This is the GNU Modula-2 standard library that comes with the gm2 compiler.

Data::UUID::MT provides a UUID generator uses the excellent Math::Random::MT::Auto module as a source of fast, high-quality (pseudo) random numbers.