SpiderOak provides an easy, secure and consolidated free online backup, sync, sharing, access & storage solution for Windows, Mac OS X, and Linux (Ubuntu, Debian & Fedora)
Linkwad lets you save and restore tabbed browsing sessions called wads. Wads can be shared and accessed from any computer. You can also share your "wads".
Announcing Vyew 2.0: Free Web Conferencing and Always-On Collaboration * 100% Browser-based - No downloads or installs * Shared viewing of: DOCs, PPTs, XLSs, JPGs, PDFs and more * Real-time Desktop Sharing and Screen Capturing * Tools to Whiteboard, Draw
Announcing Vyew 2.0: Free Web Conferencing and Always-On Collaboration * 100% Browser-based - No downloads or installs * Shared viewing of: DOCs, PPTs, XLSs, JPGs, PDFs and more * Real-time Desktop Sharing and Screen Capturing * Tools to Whiteboard, Draw