PUBLIC MARKS from ksp with tags online & free

Real-time collaboration for the web. With Thinkature, you can create a collaborative workspace and invite coworkers, friends, and colleagues to join you in just seconds. Once inside your workspace, you can communicate by chatting, drawing, creating cards, and adding content from around the Internet. It's all synchronous, too - no need to hit reload or get an editing lock.

Zamzar is a web-based file conversion tool that can convert your video, audio, images, and documents from nearly any format to nearly any format you like.