LameXP - LameXP is an Audio Encoder Front-End, a graphical user-interface for a number of audio encoders.
Unity - The multiplatform game creation tools for everyone.
SoundConverter - The sound conversion application for the GNOME environment.
Godot Engine - Feature-packed 2D and 3D open source game engine.
fre:ac - fre:ac is a audio converter and CD extractor designed for Microsoft Windows, Mac OS and Linux, distributed under the GNU General Public License.
Blender - Blender is the open source, cross platform suite of tools for 3D creation.