If you love indie games and aren't looking at the commercial game stores like Steam, Origin, or Humble Bundle, then you probably know itch.io - a game store devoted exclusively to indie games. Here, both game developers and players can set their desired prices, and many developers choose to make their game works or prototypes at Game Jam available for free download.

Krita (formerly called KImageShop, Krayon) is a free, open-source and cross-platform digital painting software developed by Krita Foundation (part of the KDE Community) from Sweden. It is fully functional, capable of the entire painting process from drafting, lining, coloring to post-adjustment; can draw concept sketch, illustration, cartoon, animation, scene and 3D mapping; supports digital board, pressure sensing, anti-shake, layers, filters, color management, and other functions.

It is very important for students, researchers, or biomedical practitioners in the field of molecular biology to have a professional and easy-to-use tool for DNA sequence analysis of biomolecules. Thereinto, SnapGene provides users with professional biological analysis functions; helps users quickly plan, visualize and record the biological analysis procedure; provides a safer and faster approach; and provides a lot of help for daily molecular biology learning and research.

Artlantis is a professional and heavyweight 3D rendering engine specially designed for indoor/outdoor architects and designers, developed by Abvent from France. Its extraordinary rendering speed and quality, unbelievably friendly and simple user interface are refreshing, and the resulting rendering of all drawings and animated images is impressive.

TeamTalk is a free and open-source multi-user conferencing system for Windows, Mac, Linux and mobile platforms, developed by Bjoern D. Rasmussen from Denmark. It allows user to perform real-time voice and video communication through Internet. For voice encoding, it uses the Opus and Speex audio codecs; for video streaming, it uses the WebM video codec.