Floating Apps - Real multitasking on Android phone or tablet.

FontForge - Free (libre) font editor for Windows, Mac OS X and GNU+Linux

Edge Screen - Edge Screen app is made for a smartphone with curve-edged displays like the Samsung Galaxy S series and other manufacturers.

Glyphs - Make everything from dingbat webfonts to full-fledged text typefaces in the most Mac-like font...

Float Browser - Float Browser app allows you to use apps in the floating window just like multitasking.

BirdFont - Birdfont is a free font editor which lets you create vector graphics and export TTF, OTF, EOT and...