AudacityFree, open source, cross-platform audio software. Audacity is an easy-to-use, multi-track audio editor and recorder.
BlenderBlender is the free and open source 3D creation suite. It supports the entirety of the 3D pipeline—modeling, rigging, animation, simulation, rendering, compositing and motion tracking, even video editing and game creation.
CanvaCreate beautiful designs with your team. Use Canva's drag-and-drop feature and layouts to design, share and print business cards, logos and presentations.
GIMPGIMP is a cross-platform image editor available for GNU/Linux, OS X, Windows and more operating systems.
TwineryTwine is an open-source tool for telling interactive, nonlinear stories.
UnityUnity is a cross-platform real-time engine. The engine can be used to create both three-dimensional and two-dimensional games as well as simulations for its many platforms.