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

Library needed for GNU Go applications linked against the shared library.

GNAT is a compiler for the Ada programming language. It produces optimized code on platforms supported by the GNU Compiler Collection (GCC).

Ott is a tool to write definitions of programming languages and calculi. From the definition of a language syntex and semanticsin a concise and readable notation close to informal mathematics, it can provide LaTeX, Coq, HOL, Isabelle/HOL, Lem or OCaml versions of the definition.

Fcitx is a input method framework with extension support, which provides an interface for entering characters of different scripts in applications using a variety of mapping systems.

This app is a core app for Ubuntu Touch's shell Lomiri. Ubuntu Touch is a mobile OS developed by the UBports Foundation. Lomiri is its operating environment optimized for touch based human-machine interaction, but also supports convergence (i.e. switching between tablet/phone and desktop mode).