TuxMath

Use this math tutor whether you're a student or a parent teaching your kid mathematics

This makes it easy to open WMF image files, and you can even convert the file to other image types

A professional graphing program for drawing and plotting accurate graphs with ease

Sport a beautiful, detailed clock on your Mac desktop

A utility that renders eBooks stored in any of several popular formats in full resolution on your Macintosh's retina display

View all types of comic strips in various formats online