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Tech riderRev. 11 Oct 2026

QuantumLauncher

Ch 367.1of 74Minecraft Launchers
  1. 1Runs onLinux, Mac, Windows
  2. 2CostsFree plan
  3. 3Separate instancesYes
  4. 4Modpack importboth
  5. 5Mod loader supportmultiple
  6. 6Java runtime managementYes
  7. 7Built-in modpack catalogYes
  8. 8Automatic updatesYes
8 lines stated Written from the maker's own pages: mrmayman.github.io
Visit site Alternatives
The QuantumLauncher homepage

Overview

QuantumLauncher is ranked #36 of 74 in Minecraft launchers on Specifiction. It runs on Linux, macOS, Windows. There is a free plan.

QuantumLauncher plans and pricing

All plans
QuantumLauncher Free No paid plans or usage limits stated on the opened pages mrmayman.github.io · 11 Oct 2026

Compared on Minecraft launchers

Separate instances
Yesmrmayman.github.io
Modpack import
bothmrmayman.github.io
Mod loader support
multiplemrmayman.github.io
Java runtime management
Yesmrmayman.github.io
Built-in modpack catalog
Yesmrmayman.github.io
Automatic updates
Yesmrmayman.github.io

Facts

Purpose
QuantumLauncher is an open-source Minecraft launcher with instance management and modding features.mrmayman.github.io · 11 Oct 2026
Mod store
Its built-in store lets users browse and install mods, mod loaders, resource packs, shaders, and modpacks.mrmayman.github.io · 11 Oct 2026
Instances
Instances isolate game versions so they do not clash.github.com · 11 Oct 2026
Older versions
It supports older Minecraft versions through Omniarchive, including skin and sound fixes and rare versions.github.com · 11 Oct 2026
Integrations
The mod store offers CurseForge and Modrinth backends.mrmayman.github.io · 11 Oct 2026
Mod management
Users can manage mods and mod loaders in one place and package and share mod collections with friends.github.com · 11 Oct 2026
Performance
The maker describes the launcher as using minimal CPU and RAM and being lighter than the vanilla launcher and common alternatives.mrmayman.github.io · 11 Oct 2026
Offline mode
The launcher supports offline mode, which the maker says is at the user's own risk.github.com · 11 Oct 2026
License
The launcher is licensed under GNU GPL v3, with some assets under additional licensing.github.com · 11 Oct 2026
Support
The maker directs users with issues or complaints to open an issue in the GitHub repository.github.com · 11 Oct 2026
Downloads
Stable downloads are offered for Windows, macOS, and Linux, including platform-specific builds and Linux package options.mrmayman.github.io · 11 Oct 2026
macOS limitation
The FAQ says macOS may block the app because the maker cannot afford Apple's Developer ID fee and documents a terminal workaround.mrmayman.github.io · 11 Oct 2026

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Where it ranks on Specifiction

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Sources