Description: BigBlueButton is an open source web conferencing system for online learning. It allows real-time sharing of audio, video, slides, chat, and screen. BigBlueButton supports recording and playback of sessions.
Type: software
Pricing: Free
Description: FreeSWITCH is an open source telephony platform designed to facilitate the creation of voice and chat driven products scaling from a softphone to a PBX and even up to an enterprise-class softswitch. It can be used to power PBX solutions, voicemail services, conference calling, contact center solutions and more.
Type: software
Pricing: Open Source