Mineshafter is described as 'provides a free alternative to the main Minecraft authentication server'. There are more than 10 alternatives to Mineshafter for Windows, Linux, Mac, Minecraft and BSD. The best alternative is MultiMC, which is both free and Open Source. Other great apps like Mineshafter are ATLauncher (Free, Open Source), GDLauncher (Free, Open Source), Technic launcher (Free) and Vortex Minecraft Launcher (Free, Open Source).
Change the way you play Minecraft. Install any of our flagship modpacks with one simple click or choose from thousands of community-made modpacks available on the Technic Platform. It doesn't get easier than this.
Minecraft game launcher. Main features of the launcher is the same as the official launcher, including managing game versions, player profiles and launching minecraft. ChunkLauncher also supports Minecraft Forge game versions.