Leisure

GIMP is a free-of-charge and open-source photo and image editing software that offers a wide variety of powerful features for different file formats (JPG, PNG, BMP, PDF, TIFF, GIF, ICO, EPS, PSD, and RAW).

Krita is a free and open-source digital painting software designed for artists and illustrators. It offers a wide range of brushes, advanced painting tools, and an intuitive interface, making it ideal for concept art, texture painting, and illustrations.

Put your unused computer power to work with BOINC—a simple volunteer computing platform that runs quietly in the background and helps real scientific research in areas like health, climate, and space, without affecting your daily computer use.

Sweet Home 3D is an open-source interior design tool that lets you create detailed floor plans and 3D home models. Use it to plan, furnish, and visualize your space, and it’s available for free on Windows, macOS, Linux, mobile, etc.