Tandem

Play Minecraft with friends without renting a server. Tandem is a Fabric mod for Minecraft: Java Edition.

Tandem is in beta, on Fabric 1.21.1 only.

Features

• Friends join in a few clicks. No servers, no port forwarding, no hassle.
• Hand off hosting. Pass the world to a friend and they carry on hosting it.
• Syncs with Atlas. Same account and friends, and Atlas keeps everyone's mods the same.

Download

Get the beta in the KeplerSync Discord. It needs Fabric API.

Building from source

You need JDK 21.

./gradlew build              # the mod jar, in fabric/build/libs
./gradlew :fabric:runClient  # Minecraft with the mod

Show your support

Please consider supporting the project by starring the repository, or by donating via Ko-fi!

Support

Ask for help or questions in the KeplerSync Discord, and report bugs in GitHub issues. For anything private, email support@keplersync.app.

License

The code is licensed under GPL-3.0.

The Tandem and KeplerSync names and logos (fabric/src/main/resources/assets/tandem/icon.png and the logo in fabric/src/main/resources/assets/tandem/textures/icon/logo.png) aren't covered by that license and may not be used without permission.

Not an official Minecraft product. Not approved by or associated with Mojang or Microsoft.