SJMCL Launcher (26.1.2, 1.20.1) – Utilize The Most Modern Technology
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March 20, 2026
SJMCL Launcher is an open-source Launcher for Minecraft Java. It utilizes the most modern technologies to support cross-platform functionality, efficiency, and user-friendliness.

Features:
- Cross Platform: Supports Windows 10/11, macOS and Linux.
- Efficient Instance Management: Supports multiple game directories and instances, allowing the management of all instance resources (such as saves, mods, resource packs, shaders, screenshots, etc.) and settings in one place.
- Convenient Resource Download: Supports downloading game clients, mod loaders, various game resources and modpacks from CurseForge and Modrinth.
- Multi-Account System Support: Built-in Microsoft login and third-party authentication server support, compatible with the OAuth login process proposed by the Yggdrasil Connect proposal.
- Deeplink Integration: Integrates with external websites and tool collections, providing convenient features such as desktop shortcuts for launching instances through system deeplinks.
SJMCL Launcher Download Links
For All Versions of Minecraft
For Windows
Windows_i686 Setup (exe): Download from Server 1 – Download from Server 2
Windows_i686 Portable (exe): Download from Server 1 – Download from Server 2
Windows_x86_64 Setup (exe): Download from Server 1 – Download from Server 2
Windows_x86_64 Portable (exe): Download from Server 1 – Download from Server 2
Windows_aarch64 Setup (exe): Download from Server 1 – Download from Server 2
Windows_aarch64 Portable (exe): Download from Server 1 – Download from Server 2
For MAC OS
aarch64 (tar.gz): Download from Server 1
aarch64 (dmg): Download from Server 1
x86_64 (tar.gz): Download from Server 1
x86_64 (dmg): Download from Server 1
For Linux
x86_64 (AppImage): Download from Server 1
x86_64 (deb): Download from Server 1
x86_64 (rpm): Download from Server 1
x86_64 (portable): Download from Server 1
This is a virus BE SAFE.