QuantumLauncher

A simple, powerful, open-source Minecraft launcher with instance management, modding features, and more!

Main page of launcher, sidebar to select instances, and various options

Incredibly Lightweight

Uses minimal CPU and RAM!
Lighter than the vanilla launcher, common alternatives and even Task Manager!

System Monitor showing launcher using 39 MB RAM and 3% CPU

Easy Modding

Download and manage your mods and mod-loaders at one place!

Viewing list of installed mods, with buttons to manage them

Browsing the built-in mod store, options to change backends (CurseForge/Modrinth) and content (Mods/Resource Packs/Shaders/Modpacks)

Minecraft with RLCraft modpack launched by QuantumLauncher

Downloads

Windows 64-bit _{(Recommended)}

Windows ARM_(Snapdragon)

Windows 32-bit

macOS ARM _{(Apple M1/M2/M...)}

macOS Intel _{(before 2020-ish)}

Not sure which one you have? Click

→ About This Mac

Or, use Homebrew to install:

brew install hitblast/tap/quantum-launcher

NOTE: On macOS, if you have a "corrupted", "damaged" or "unverified" error, run this in the terminal: (more info)

xattr -rc /Applications/quantum-launcher.app

Linux x86_64 _{(Recommended)}

Linux aarch64 _{(Asahi/Snapdragon/Raspberry Pi)}

Linux armv7h 32-bit _{(old Raspberry Pi)}

Or install it as a flatpak

flatpak remote-add quantum-launcher oci+https://mrmayman.github.io/ql-flatpak-remote/
flatpak install io.github.Mrmayman.QuantumLauncher

Or as a Fedora COPR

sudo dnf copr enable apicalshark/quantum-launcher-rpm
sudo dnf in quantum-launcher