Extcalc is a scientifical calculator for linux which features a intuitive, Qt-based user interface, matrix operations, plotting of 2D and 3D graphs and scripting using a C-like language.
Miramath is an open source project inspired by the MathCad mathematical application. The main user interface consists of a page into which mathematical expressions can be entered or edited and then evaluated.
Scan Tailor is an interactive post-processing tool for scanned pages. It performs operations such as page splitting, deskewing, adding/removing borders, and others. You give it raw scans, and you get pages ready to be pr ...
