Software that was ported from wxWidgets to Qt

media player, streaming client, streaming media server, and audio and video converter (transcoder), free/libre and open-source cross-platform software

Nintendo GameCube and Wii emulation software

MKVToolNix is a collection of tools for the Matroska media container format by Moritz Bunkus including mkvmerge. The free and open source Matroska libraries and tools are available for various platforms including Linux and BSD distributions, macOS and Microsoft Windows. The tools can be also downloaded from video software distributors and FOSS repositories.