1. **Zoom**: Widely used for its ease of use, reliability, and features like video conferencing, screen sharing, and breakout rooms.
2. **Google Meet**: Integrated with Google Workspace (formerly G Suite), offering features like video meetings, chat, and screen sharing. It's popular for its integration with other Google services.
3. **Microsoft Teams**: Part of the Microsoft 365 suite, Teams offers video conferencing, chat, file sharing, and collaboration tools. It's suitable for organizations already using Microsoft products.
4. **Cisco Webex**: Known for its security features, Webex provides video conferencing, screen sharing, and collaboration tools suitable for large organizations.
5. **Adobe Connect**: Offers customizable virtual classrooms with features like breakout rooms, polls, and interactive whiteboards. It's suitable for more interactive and engaging classes.
6. **Canvas**: A learning management system (LMS) that provides tools for online course creation, delivery, and assessment. It's popular in educational institutions for its comprehensive features.
7. **Moodle**: An open-source LMS offering features for course management, collaboration, and assessment. It's highly customizable and used by educational institutions worldwide.
8. **Blackboard Collaborate**: Part of the Blackboard LMS, Collaborate offers virtual classrooms with features like video conferencing, chat, and interactive whiteboards.