Jitsi Meet is an open-source (Apache) WebRTC JavaScript application that uses Jitsi Videobridge to provide high quality, scalable video conferences. Developed by Jitsi
License: Open Source
ooVoo was known for its high-quality video calls and user-friendly interface but has been discontinued. In contrast, Jitsi Meet remains a popular open-source video conferencing tool that offers extensive features and customization options without the need for an account.