Cisco WebEx

Cisco's web conferencing solution, WebEx has a freemium version that allows upto 100 participants in a meeting that can go on for an unlimited amount of time! There's no limit to the number of calls you can place and you also get 1 GB of cloud storage with your free account (what we call a double whammy for employers). Options to share files, screens or recording calls for future references is available too. There's a WebEx website, desktop app and mobile application available for use.