Cent - A network for Universal Creative Income.
Unity - The multiplatform game creation tools for everyone.
Percentages - Easy to use percentage calculator
Godot Engine - Feature-packed 2D and 3D open source game engine.
PercentageTools.com - Percentage calculator, online calculates percentage in many situations, simply enter the numbers and get the result and the formula of calculation.
Blender - Blender is the open source, cross platform suite of tools for 3D creation.