A custom launcher for Minecraft that allows you to easily manage multiple installations of Minecraft at once. It is a MultiMC fork.
Platforms
- Mac
- Windows
- Linux
- Flathub
- PortableApps.com
- Flatpak
- Chocolatey
- Global




Apps similar to Catalystmc include Prism Launcher, which is free and open source. Other options are PineconeMC (formerly ElyPrism Launcher), Freesm Launcher, Shard Launcher and Shattered Prism. There's no shortage of Minecraft Launchers like Catalystmc, with more than 25 alternatives for Windows, Linux, Mac, the web and Android.
A custom launcher for Minecraft that allows you to easily manage multiple installations of Minecraft at once. It is a MultiMC fork.




This fork of Prism Launcher adds integrated support for Ely.by accounts (MSA accounts can still be used)
A Prism Launcher fork that removes offline account restrictions, adds custom auth server support, and provides more customization.




Shard is a modern, open-source Minecraft launcher designed for players who want full control over their game. It features native integration with Modrinth and CurseForge for easy mod discovery and installation, support for Fabric, Forge, Quilt, and NeoForge mod loaders, and...




Shattered Prism is a custom launcher for Minecraft that allows you to easily manage multiple installations of Minecraft at once.
This is a fork of FjordLauncher and is not endorsed by it or Prism.
A modern launcher based on Modrinth. No built-in/external advertising or telemetry. Fully compatible with the original Modrinth without broken mechanics.

ATLauncher is a Minecraft launcher that allows you to easily play modded Minecraft.

Free, online, compatible and open source Minecraft web client with ability to connect to Java servers and load or create single player worlds to play offline.


An all in one Client side anti cheat built by the same people who made CheatBreaker. This Client features a bunch of mods and fps boost.

Prism Launcher fork with support for alternative auth servers.
MultiMC is a free, open source launcher for Minecraft, managed by Forkk13and peterixxx. It allows you to have multiple, separate instances of Minecraft (each with their own mods, texture packs, saves, etc) and helps you manage them and their associated options with a simple...




Crystal Launcher is an free cracked launcher for Minecraft and easy managing and installing modpacks. It can also run official Minecraft versions (from rd-132211 to Minecraft 1.18.1!)



