X Minecraft Launcher

XMCL is an open-source Minecraft launcher that manages separate instances across multiple loaders, browses modpacks and mods from Modrinth, CurseForge and FTB, and supports Microsoft, offline and third-party accounts on Windows, macOS and Linux.

xmcl.app
X Minecraft Launcher homepage screenshot

About X Minecraft Launcher

XMCL is an open-source launcher for Minecraft. It creates and manages separate instances across Forge, Fabric, Quilt, NeoForge, OptiFine and LabyMod, with experimental Bedrock support and installation handled in the launcher. It browses modpacks and mods from Modrinth, CurseForge and FTB, and connects Microsoft, offline and third-party accounts. Installers are provided for Windows, macOS and Linux.

Pricing is not clearly stated.

Key features

  • Arrange instances into folder groups
  • Theme instances with backgrounds, colors and custom CSS
  • Turn an instance into a configurable local server
  • Preview saves and edit chunks
  • Preview blueprints in 3D with compatibility checks
  • Export instances as shareable modpacks
  • Read crash reports and launch logs
  • Use built-in agent to explain launch failures

X Minecraft Launcher at a glance

Website
xmcl.app
Type
App
Pricing
Not confirmed. Check the site
Platforms
Windows, macOS, Linux
Details verified
Oct 22, 2026 · Official source
Open source
Yes · Source code
Language
English
Last checked
Oct 5, 2026 · Online when checked
Listed
Oct 5, 2026

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