Learn to type up to four times faster with this fantastic typing course.
Advanced programmable scientific calculator, based on the Free42 project, a complete reimplementation of the HP-42S.
Multi-signature based secure Bitcoin wallet software.
Convert documents to PDF in any software that has the option to print.
Application that allows you to annotate, draw and doodle on your Android screen.
Utility that allows you to find empty or nearly empty folders.