uShare.to - http://web.ushare.to
Elevator Pitch - Persistent workspaces with video, audio, chat and sharing with your extended team of partners, clients and partners.
Explainer Video - https://www.youtube.com/watch?v=fRUYC8qfIxE
More details: Founded a few months ago. 20 employees. Developed by the HyperOffice team.
Are you looking for anything? New users to give it a spin and give us their feedback.
Discount for /r/startup subscribers? Free basic plan.