HandBrake is a free and open-source digital video transcoding program for Windows, Mac and Linux platforms, originally developed for BeOS by Eric Petit from France in 2003, then ported to other systems, making it a cross-platform solution for video conversion. It is designed to help users convert video files into various formats.

Crescendo is an efficient, intuitive and feature-rich original songs, guitar tabs, drum notation, music scores, and soundtracks composing tool for Windows and Mac platforms, developed by NCH Software from Australia. It's designed for professional musicians, producers, and audio engineers.

Solar2D (successor of Corona SDK)is a free and open-source game engine for Windows, Mac and Linux platforms, originated from the popular and widely utilized Corona SDK game engine, which is no longer receiving commercial support. It utilizes the Lua programming language, and is designed to prioritize simplicity and efficiency in the game development process.

Katana is a powerful tool used in the visual effects industry for lighting and look development on Windows, Mac and Linux platforms, developed by The Foundry Visionmongers from United Kingdom. It is designed to streamline the lighting and rendering process, allowing artists to efficiently create stunning visuals for films, television shows, and other forms of media.

Dash is a very popular API documentation browser and code snippet manager for Mac OS. It allows you to quickly and easily access offline documentation sets for 200+ APIs, 100+ cheat sheets and more. You can even generate your own docsets, request docsets to be included, or download docsets from third-party sources.