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OmnilibMinecraft mod for 1.21.5

A framework for enhanced UI elements and customization

client and servernewest supported 1.21.5Library
Latest version
0.1.4
Minecraft
1.19.2 to 1.21.5
Java
Java 21+
Loader
Fabric
Licence
GPL-3.0-only
Downloads
595.4k
Updated
18 mo ago
Available on
Modrinth
Space NodeOur hosting

Host Omnilib servers

One click and Omnilib is installed with the right loader, on hardware built for it.

  • 1.21.5
  • Fabric
  • One click mod install
  • Loader matched for you
  • Ryzen CPUs
  • NVMe SSD
Deploy a serverFrom €0.90 per GB

Minecraft versions

Every version Omnilib declares support for, newest first, with the Java runtime that version needs.

Other mods
MinecraftThroughJavaEvidenceReleased
1.21.5Fabric21+declared25 Mar 2025
1.21.4Fabric21+declared3 Dec 2024
1.21.3Fabric21+declared23 Oct 2024
1.21.2Fabric21+declared22 Oct 2024
1.21.1Fabric21+declared8 Aug 2024
1.21Fabric21+declared13 Jun 2024
1.20.4Fabric17+declared7 Dec 2023
1.20.1Fabric17+declared12 Jun 2023
1.19.2Fabric17+declared5 Aug 2022

Download

From Omnilib’s own host. Nothing is re-hosted here.

0.1.4beta28 Mar 2025

omnilib-0.1.4+1.21.5.jar · 0.2 MB · for 1.21.5

Download latest
eeb9b745d628…
Older versions5
  • 0.1.525 Dec 20241.19.20.2 MB135 downloadsc48c0cd50096…Get
  • 0.1.321 Dec 20241.20.10.2 MB105 downloadse32b595bd2e2…Get
  • 0.1.221 Dec 20241.21.30.2 MB60 downloads2cdbc3719c4c…Get
  • 0.1.110 Dec 20241.20.42.7 MB714 downloads0b1e72de5352…Get
  • 0.1.08 Dec 20241.20.12.7 MB264 downloads2ba4ee6e4671…Get

Frequently asked

Does Omnilib work on Minecraft 1.21.5?

Yes. 1.21.5 is the newest Minecraft version Omnilib declares support for, and the claim comes from the author's own release metadata rather than from a compatibility list somebody maintains by hand.

Which Minecraft versions does Omnilib support?

Everything the author has declared, from 1.19.2 up to 1.21.5. The full list is in the table above, with the Java runtime each version needs next to it.

Do I need to install Omnilib on the client or the server?

Both. Every player needs it installed and so does the server, so anyone joining without it will be refused.

Which platform or loader does Omnilib support?

Fabric. A build for one platform or loader will not necessarily load on another, so this is the first thing to check before the Minecraft version.

Which Java version do I need for Omnilib?

On the newest Minecraft version it supports, Java 21 or newer. The requirement comes from the Minecraft version you run rather than from the mod itself, so on an older supported Minecraft the answer is that version's Java, not this one.

What licence is Omnilib under?

GPL-3.0-only, as stated by the author on the platform we synced it from. Check the project's own page before redistributing or bundling it.

How do I install Omnilib?

Install the matching loader first, then put the downloaded file in your mods folder and start the game. The loader, the mod and Minecraft all have to be on the same version, which is the usual reason a mod does not appear in game.

Where do I download Omnilib safely?

Start with the author's page on Modrinth, which is where the data here is synced from. MCReference does not host or repackage files. The download link goes to the source recorded for that release; verify the publisher, filename and checksum before running it.

Works on the same versions

Ordered by how much of the recent Minecraft version coverage overlaps, not by popularity.

Cloth Config API (Fabric/Forge/NeoForge)Config Screen API for MinecraftArchitectury APIAn intermediary api aimed to ease developing multiplatform mods.Jade 🔍Shows information about what you are looking at. (Hwyla/WAILA fork for Minecraft 1.16+)Collective🎓 Collective is a shared library with common code for all of Serilum's mods.AttributeFixRemoves arbitrary limits on Minecraft's attribute system.sparkspark is a performance profiler for Minecraft clients, servers and proxies.

Last checked 2 mo ago against Modrinth. We do not host files and we do not republish descriptions; every download link points at the author’s own release.

Is this information wrong or missing something? .