Yes. OtterLib is free to download from Modrinth and free to host on an Orca server you can share with friends. There is no paywall to download or play it.

How do I install OtterLib?

The fastest way is Orca: press Play and Orca installs OtterLib with Fabric, Folia, Paper, Purpur, Quilt and Spigot and the right Minecraft version, then launches the game. To do it by hand, download OtterLib from Modrinth, install Fabric, Folia, Paper, Purpur, Quilt and Spigot, and drop the .jar into your plugins folder.

Which mod loader does OtterLib use?

OtterLib runs on Fabric, Folia, Paper, Purpur, Quilt and Spigot. When you host or play it with Orca, the matching loader and Minecraft version are selected for you automatically.

Can I play OtterLib with friends?

Yes. Host OtterLib on a free Orca server and share the invite, or launch it solo from the Orca app. No control panel or setup required.

Plugins / Mod

OtterLib

Name: OtterLib
Availability: InStock
Author: Oth3r

by Oth3r

85.9K downloads49 followers

ModlibrarymanagementutilityFabricFoliaPaperPurpurQuiltSpigot

Host OtterLib Edit OtterLib

OtterLib is a library, management and utility Minecraft mod from Oth3r with 85.9K downloads on the Orca catalog. It runs on Fabric, Folia, Paper, Purpur, Quilt and Spigot, so it slots into a matching Minecraft profile without hand-patching anything. OtterLib is free to download and free to host on Orca: press Play and Orca launches Minecraft with OtterLib 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 OtterLib along with the loader and Minecraft version it needs, then you and your friends are playing in minutes.

A cool new simple library mod that everyone can use!

How to install OtterLib

Two ways to add OtterLib to Minecraft. One takes a click.

The Orca way

Click Play below. Orca installs OtterLib with Fabric, Folia, Paper, Purpur, Quilt and Spigot and the right Minecraft version, then launches straight into the game.

That’s it. Nothing to download or configure.

Host OtterLib

The manual way

Download OtterLib on Modrinth

Download the latest OtterLib file from Modrinth for your Minecraft version.
Install Fabric, Folia, Paper, Purpur, Quilt and Spigot and launch Minecraft once so the loader profile is created.
Drop the downloaded .jar into your plugins folder (the plugins folder inside .minecraft, or your server's plugins folder).
Add any libraries OtterLib depends on (the Modrinth page lists them) into the same folder, then start Minecraft on the Fabric, Folia, Paper, Purpur, Quilt and Spigot profile.

OtterLibversions & compatibility

OtterLib targets Fabric, Folia, Paper, Purpur, Quilt and Spigot. 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.

View on Modrinth Source

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Do more with OtterLib

Run OtterLib on free 8 GB Minecraft server hosting and play it with friends.
Want a mod like this? Make your own with the AI Minecraft mod maker, no coding needed.
Not sure Fabric, Folia, Paper, Purpur, Quilt and Spigot is the right fit? Read Fabric vs Forge vs NeoForge before you pick a loader.