Advanced programmable scientific calculator, based on the Free42 project, a complete reimplementation of the HP-42S.
Scientific calculator for Windows.

Search on your computer as easily as you search the web with Google.
Fast and lightweight viewer and editor for DWG, DXF, and DWF files.
One-time password authenticator for Windows.
Software that allows you to manage TomTom GPS Go, One, XL and Rider series.