Inkscape - Inkscape is a free, open source professional vector graphics editor for Windows, Mac OS X and Linux.
FL Studio - Image-Line's FL Studio, now on it's 12th version, is a well-known music production suite and the most popular beat processor on the market, due no doubt to its longevity. Read more about FL Studio.
Blender - Blender is the open source, cross platform suite of tools for 3D creation.
Reaper - Reaper is a focused digital audio workstation (DAW) developed by Cockos. In the creation of the software, the digital audio technology company intended to make audio editing accessible to the masses.
Cinema 4D - Cinema 4D is a 3D modeling, animation, motion graphics and rendering application.
Audacity - Audacity is a free and open-source audio production software suite that includes a surprising array of editing tools and recording systems.