Flarum - Flarum is the next-generation forum software that makes online discussion fun. It's simple, fast, and free.
Zoho Meeting - Free video conferencing, online meeting, desktop sharing solution from Zoho.
XenForo - Intuitive. Social. Engaging. Fast. XenForo brings a fresh outlook to forum software.
Airtime - Hang out with group video, share music & videos
Discourse - Discourse is an open source discussion platform built for the next decade of the Internet.
Voxox CloudPhone - Get a local or toll-free business number that automatically answers, routes and transfers calls, plus other professional business phone services.