Plover - Browser Airdrop - transfer files to anyone, any device
Tragofone - White-label VoIP Softphone with WebRTC and Auto-provisioning
Starfiles - File hosting done simple
YakYak - Desktop client for Google Hangouts
Filewatch - Find your public files, before someone else does
PhonerLite - PhonerLite enables your PC to use it for internet telephony (VoIP , Voice over IP, SIP).