Get the desktop app

redCast is a desktop application. It runs your overlays and talks to OBS on your own machine, so everything works with no network at all. Signing in afterwards is optional and adds the marketplace, settings sync, and the EventSub relay.

Latest release on GitHub Browse overlays first

WindowsInstaller and portable buildAvailable on the releases page
macOSUniversal buildAvailable on the releases page
LinuxAppImageAvailable on the releases page

After you install

Point it at OBS. Enable obs-websocket in OBS, then paste the address and password into redCast.
Add an overlay. Copy the local overlay URL into an OBS browser source.
Link the cloud, if you want it. Settings, Cloud, Link this machine, then approve the code at /activate.