Watch YouTube collaboratively with others online, synced to the second! Create your own room and join a room and invite others.
Cost / License
- Free
- Proprietary
Application type
Alerts
- Warning
Platforms
- Online
- YouTube

Kosmi is described as 'Free real time application and communication platform that offers voice, text and video calls along with games and applications such as SNES Party, NES Party, OpenArena, Poker, Virtual Cardtables, Synced YouTube and Cowatch Video' and is a Group Chat app in the social & communications category. There are more than 100 alternatives to Kosmi, not only websites but also apps for a variety of platforms, including Windows, Android, iPhone and Mac apps. The best Kosmi alternative is Signal, which is both free and Open Source. Other great sites and apps similar to Kosmi are Element, Discord, Matrix and RetroArch.
Watch YouTube collaboratively with others online, synced to the second! Create your own room and join a room and invite others.






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