Qalculate! is a multi-purpose cross-platform desktop calculator. It is simple to use but provides power and versatility normally reserved for complicated math packages, as well as useful tools for everyday needs (such as currency conversion and percent calculation). Features include a large library of customizable functions, unit calculations and conversion, physical constants, symbolic calculations (including integrals and equations), arbitrary precision, uncertainty propagation, interval arithmetic, plotting, and a user-friendly interface (GTK, Qt, and CLI).

Imagine is a image and animation viewer developed as an alternative to many other popular viewers such as IrfanView, XnView, or FastStone Image Viewer.
These are just a few features: high speed viewer and image saver, extraction and editor for single or all frames from animation files, the ability to show detailed information for images and animations, show Exif and IPTC info, show or hide transparency etc. The program works with almost all image formats and it has support for digital camera RAW format, support for all popular archive formats, support for high dynamic range formats.

FileMenu Tools is an application which lets you customize the context menu of Windows File Explorer.

Atlantis Word Processor has all the features you need to create simple documents or great works of literature: novels, essays, reports, letters, diaries, newspaper articles, etc.