KoalaSync
KoalaSync is a free, open-source browser extension for watching videos together online. Create a room, share an invite link, and keep play, pause, seeking, and episode changes in sync across browser video players. It works with many sites and self-hosted media servers, including Emby, Jellyfin, Plex, YouTube, Netflix, Disney+, Prime Video and more. No account required, no tracking, and optional self-hosting for people who want to run their own relay server.
ProjectRadar note
Discovery context inside the profile
This section keeps the public note attached to the product profile, while the full note page remains available for readers who want the complete context and update history.
- ProjectRadar context
- KoalaSync feels like a project built to solve a real problem rather than create a new one. The core idea is easy to understand, the privacy-first approach is refreshing, and the optional self-hosting support helps it stand out from many similar tools. If you’ve ever struggled to keep a remote watch party in sync, this is the kind of project that’s worth taking a closer look at.
- Best for
- KoalaSync is for people who regularly watch videos remotely with others, including friends, families, online communities, and long-distance couples. It is also a good fit for self-hosting enthusiasts who use platforms like Plex, Jellyfin, or Emby and want more control over how watch parties are hosted and managed.
Connected context
Get on the radar
Built something useful? Submit your project.
Submit an app, website, AI tool, SaaS product, calculator, creator tool, or useful side project for project note consideration. Submission does not guarantee publication.
Submit your project