SmallDevTools - Handy developer tools with a delightful interface
Blender - Blender is the open source, cross platform suite of tools for 3D creation.
LaunchKit - Open Source - A popular suite of developer tools, now 100% open source.
Autodesk 3DS Max - 3ds Max is software for 3D modeling, animation, rendering, and visualization. Create stunning game enrivonments, design visualizations, and virtual reality experiences.
Profitable developer tools database - A database of 103+ hand-curated profitable developer tools
Cinema 4D - Cinema 4D is a 3D modeling, animation, motion graphics and rendering application.