calculator.net - Online calculator for quick calculations, along with a large collection of calculators on math, finance, fitness, and more, each with related in-depth information.
Unity - The multiplatform game creation tools for everyone.
GPACalculator.io - The easiest way to calculate your GPA
Godot Engine - Feature-packed 2D and 3D open source game engine.
Unigradecalc - Unigradecalc is a website that provides a tool for calculating GPA (Grade Point Average).
Blender - Blender is the open source, cross platform suite of tools for 3D creation.