JoinFS Development

is creating flight simulator software




per month


JoinFS is an advanced multiplayer tool for multiple flight simulators.

By becoming a patron you will have a greater influence on the future direction of JoinFS. Feature requests via the Patreon message system will be given priority over forum requests.

Current Features:

  • Cross-platform multiplayer across Microsoft FS 2020, Prepar3D, X-Plane, FSX and FSX:Steam.
  • Decentralized host-less peer-to-peer network.
  • Smooth judder-free live movement of aircraft.
  • Shared cockpit, unlimited passengers and multi-role co-pilot cockpit.
  • Suitable for virtual pilot training and instruction.
  • Hub network allows anyone to launch and advertise a publicly listed session.
  • Communications system included.
  • Record and save multiple aircraft to a file and play back recordings live over the network.
  • Simple model matching allows you to substitute any aircraft model instantly while connected.
  • Bookmarks make it easy to save your regular connections.

More information and support forum at

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