Description: 3CX is an open-source IP PBX software solution that works with popular SIP phone systems. It offers unified communications features like auto attendants, call routing, voicemail, video conferencing, and more.
Type: software
Pricing: Open Source
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