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UnionLib
by Stereowalker
UnionLib is a library Minecraft mod from Stereowalker with 531.7K downloads on the Orca catalog. It runs on Fabric, Forge, NeoForge and Quilt, so it slots into a matching Minecraft profile without hand-patching anything. UnionLib is free to download and free to host on Orca: press Play and Orca launches Minecraft with UnionLib already installed, or host it on a free server to play with friends. There is no control panel and no config files to edit, and no command line to learn. Describe what you want in plain English and Orca installs UnionLib along with the loader and Minecraft version it needs, then you and your friends are playing in minutes.
A library mod for all my mods
How to install UnionLib
Two ways to add UnionLib to Minecraft. One takes a click.
- Click Play below. Orca installs UnionLib with Fabric, Forge, NeoForge and Quilt and the right Minecraft version, then launches straight into the game.
That’s it. Nothing to download or configure.
- Download the latest UnionLib file from Modrinth for your Minecraft version.
- Install Fabric, Forge, NeoForge and Quilt and launch Minecraft once so the loader profile is created.
- Drop the downloaded .jar into your mods folder (the mods folder inside .minecraft, or your server's mods folder).
- Add any libraries UnionLib depends on (the Modrinth page lists them) into the same folder, then start Minecraft on the Fabric, Forge, NeoForge and Quilt profile.
UnionLibversions & compatibility
UnionLib targets Fabric, Forge, NeoForge and Quilt. Orca matches the right loader and Minecraft version for you when you host or play it, so you never have to line them up by hand. For the full list of supported Minecraft versions and required dependencies, check the Modrinth page.
Mods like UnionLib
More Minecraft mods in the same vein you can host or play with Orca in one click.





