When comparing Room vs Jitsi, the Slant community recommends Jitsi for most people. In the question“What are the best web-based videoconferencing services that don't require signing up or installing plugins?” Jitsi is ranked 1st while Room is ranked 10th. The most important reason people chose Jitsi is:
Project available on github for anyone to contribute to or use.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Allows sharing your screen
Pro Integrates with Flowdock
Pro Integrates with Slack
Pro Includes instant messaging
Pro Integrates with Dropbox
Pro Open-source
Project available on github for anyone to contribute to or use.
Pro Cross platform
Mac, Windows & Linux availability.
Pro Video calls
Pro OMEMO encryption without plugin
Secure Jabber Texting, better than legacy sms texting.
Pro Supports SIP accounts
well implemented SIP SIMPLE (texting), SIP presence, XCAP.
Pro Supports XEP-0016 and privacy Lists
Jabber Texting apps without Privacy Lists are WOEFULLY deficient.
Pro Encryption out of the box
Encryption for chat, desktop sharing, and web confrencing available.
Cons
Con Can't change username without signing up
Con Limited to 4 people
Con Crashes on MacOS Monterey
Con Abandoned Android development
They switched focus to Jitsi Meet client for Android.
Con Uses Java
Not a native app, takes awhile to load.