Freesm Launcher

A Prism Launcher fork that removes offline account restrictions, adds custom auth server support, and provides more customization

This fork is not endorsed by Prism Launcher

English | Русский

💻 Screenshots

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✨ Features

• Offline mode doesn't require signing in with a Microsoft account anymore
• Ely.by can be used as an account auth option, providing a seamless integration with Minecraft. You will see your Minecraft skin anywhere without any mods or plugins
• Custom authentication server support
• Polished, minimalist dark and light themes based on a Fluent-Dark theme with catppuccin/rosé pine colors and Microsoft Fluent icons
• Animated GIF cat packs with image cropping support
• In-game screenshots copying to the buffer history without any mods support
• Animated snow effect for those who love... snow?
• Random username and instance icon selection with ultra-super-advanced and cryptographically secure, absolutely random number generator based on the lavarand
• FLOSS
• ...all the Prism Launcher's features

📊 Comparison

Feature	Freesm Launcher	Shattered Prism	HMCL	Fjord	PollyMC	ElyPrism	UltimMC	Prism-Cracked	Prism Launcher
Offline Mode without a Microsoft account	✅	✅	✅	❌	✅	✅	✅	✅	❌
FTB packs	✅	✅	❌	✅	✅	✅	❌	✅	✅
Ely.by support	✅	🟨¹	🟨¹	🟨¹	🟨¹	✅	🟨¹	❌	❌
Authlib-injector support	✅	✅	✅	✅	✅	❌²	❌²	❌²	❌²
Custom Authlib-injector jar support	❌²	✅	❌²	✅	❌²	❌²	❌²	❌²	❌²
Animated Cat Packs & Cropping	✅	❌	❌	❌	❌	❌	❌	❌	❌
Screenshots saving to the buffer history	✅	❌	❌	❌	❌	❌	❌	❌	❌
Fork	PrismLauncher	FjordLauncher	❌	PollyMC	PrismLauncher	PrismLauncher	MultiMC	PrismLauncher	PolyMC

¹ doesn't use official Ely.by authlib patches

² you can still change a javaagent JVM argument to use your authlib-injector jar file as an auth server

⬇️ Installation

Stable Releases

Download Freesm Launcher from our official website or the GitHub Releases page. Packages are available for Linux, Windows, and macOS.

Development builds

Please understand that these builds are not intended for most users. There may be bugs and other instabilities. You have been warned.

There are development builds available through:

• GitHub Actions (includes builds from pull requests opened by contributors).
• nightly.link (this will always point only to the latest version of the develop branch).

These builds contain debug information in the binaries, so their file sizes are relatively larger. Prebuilt Development builds are provided for Linux, Windows, and macOS.

💬 Community & Support

If you found a bug or want to suggest a feature, please open an issue in GitHub Issues. Pull requests and contributions (code, docs, translations) are welcome!

Discord

Telegram

Subreddit

🌐 Translations

Freesm Launcher uses Prism Launcher's translations at the moment.

The translation effort for Prism Launcher is hosted on Weblate, and information about translating Prism Launcher is available at https://github.com/PrismLauncher/Translations.

🛠️ Building from Source

To build Freesm Launcher yourself, see the Prism Launcher build instructions (Freesm uses the Garnix build system).

ℹ️ Other

• We ARE NOT related to the Prism Launcher team.
• We ARE NOT collecting your information. Don't trust us? Check it yourself.
• We ARE providing the way to play Minecraft for free.
• We ARE open to any contributions.

📜 License