Based on our record, OpenMeetings seems to be more popular. It has been mentiond 1 time since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
Another option: https://openmeetings.apache.org/. - Source: Hacker News / 9 months ago
CoSketch - CoSketch is a multi-user online whiteboard designed to give you the ability to quickly visualize and share your ideas as images. No registration or plugins required.
Zoom - Equip your team with tools designed to collaborate, connect, and engage with teammates and customers, no matter where you’re located, all in one platform.
IDroo - A shared whiteboard for use by multiple Skype-users simultaneously. Features
BigBlueButton - Engage Your Online Students. BigBlueButton is a web conferencing system designed for online learning.
Scribblar - Scribblar is a free online collaboration tool that is perfect for online tutoring.
WebEx - Cisco WebEx Web Conferencing, Online Meetings, Desktop Sharing, Video Conferencing