Tiled is a 2D level editor that helps you develop the content of your game. Its primary feature is to edit tile maps of various forms, but it also supports free image placement as well as powerful ways to annotate your level with extra information used by the game. Tiled focuses on general flexibility while trying to stay intuitive.

Tracker is a free video analysis and modeling tool built on the Open Source Physics (OSP) Java framework. Tracker is a powerful way to combine videos with computer modeling. It is designed to be used in physics education.

VS Codium is a community-driven, freely-licensed binary distribution of Microsoft’s editor Visual Studio Code.