Have you heard about Dropbox?

Dropbox is the easiest way to store, sync, and, share files online. There's no complicated interface to learn. Dropbox works seamlessly with your operating system. Here is the link to it.

Flade (Flash Dynamics Engine) is an open source actionscript 2.0 library for simulating 2D physics using Verlet integration. It currently features rectangular, circular, & wheel primitives, spring & angular constraints, and surfaces composed of line segments, circles, & rectangles. Read More