Launchpad is an open-source game launcher written on C#. It's free, available for commercial and noncommerical use, and provides all the baseline features that a game launcher should have.It runs on Unix and Windows, and currently handles installing, updating and verifying your game. It can also display a changelog.The source code is available here: https://github.com/Nihlus/Launchpad/ Binary builds are available through the GitHub wiki or on the Unreal Engine forums: https://forums.unrealengine.com/showthread.php?29904-FREE-Launchpad-A-free-open-source-UE4-compatible-game-launcher