Freeware from SpecLabs downloads
Sicyon Lite calculator 4.0
Sicyon is all-in-one scientific calculator for every researcher and engineer. The core of Sicyon is an expression (VBScript/JScript) calculator with features as: estimate a function using variables, user-defined functions and Sicyon objects; plot/tabulate a function; solve an equation, minimums, maximums and definite integral of a function; fit a function over data set; sophisticated units converter; database reader with various physical and chemical constants; matrix operations; set of plugin tools.
Chronice clock 2.6
Chronice is basically an alarm clock for your desktop. What`s special about it, is the fact that its skins are fully customizable. It has an advanced alarm scheduler, you can set up alarms with messages, pictures, sounds, run files or documents.