Precise CNC control with support for G-code commands, 3D visualization, and compatibility with GRBL, Smoothieware, TinyG, and G2core.
Free program that will literally hypnotize you.
Software for design, simulation, and analysis of photovoltaic systems, with advanced tools and economic evaluation.

Small utility for Windows that allows you to disable the close button of windows.

Create exams and tests with fully customizable questions.
Software that allows you to explore and teach concepts of mathematics, such as geometry, algebra, calculus, statistics, and graphs.