Lightweight cross-platform code editor with a plethora of features (and plugins).

Open source programming language used primarily for web development.
Platform for building desktop and mobile applications with high visual quality and multi-platform support.
Free and educational software aimed at learning programming in Java, where users create and control virtual battle tanks in a simulation environment.
Minimalist text editor with Markdown support and instant preview.
Software for Windows that allows the comparison and editing of binary files.