Robin Good: Hall.com has released a new version of its web app which allows you to create persistent collaboration workspaces, adding video-conferencing for up to 12 people and screen-sharing.
The free version allows for up to 6 people in a video conference, screen-sharing, online storage, chat, IM and more. See more about feature and pricing here: https://hall.com/about/pricing
The Hall desktop app runs on Windows and Mac and apps for iPhone and Android are already available.
More info: https://hall.com/
Via Robin Good