ATLauncher is a free, open-source Minecraft launcher designed to simplify installing, managing, and playing modded Minecraft. It integrates modpacks from ATLauncher, CurseForge, Modrinth, and Technic into one interface. Users can create multiple independent game instances with different Minecraft versions and modifications. The software automatically manages compatible Java versions and supports multiple Minecraft accounts. It provides tools for downloading mods, maps, and resource packs directly into existing installations. Users can also back up saved games and create servers for supported modpacks. Available for Windows, macOS, and Linux, ATLauncher offers a centralized environment for customizing Minecraft gameplay.

Features

  • One-click Minecraft modpack installation from ATLauncher, CurseForge, Modrinth, and Technic
  • Multiple independent Minecraft instances with customizable game versions and mod loaders
  • Automatic Java version selection and configuration for compatible Minecraft installations
  • Integrated mod, resource pack, and map downloading with instance-specific management
  • Multiple Minecraft account authentication and convenient account switching
  • One-click game save backups and integrated modpack server creation tools

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License

GNU General Public License version 3.0 (GPLv3)

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Additional Project Details

Operating Systems

Windows

Programming Language

Java

Related Categories

Java Minecraft Launchers

Registered

2026-11-03