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KotlinMCUIMinecraft mod for 26.2

A GUI lib powered by Kotlin DSL. It's designed to support all minecraft versions and loaders(seperate backend required)

client onlynewest supported 26.2
Latest version
1.0.0-alpha.32
Minecraft
1.14 to 26.2
Java
Java 25+
Loaders
NeoForge, Forge, Fabric
Licence
MIT
Downloads
12.2k
Updated
3 mo ago
Available on
Modrinth

Screenshots

Click a screenshot to open it. Screenshots are served from the author’s own host and belong to them.

Minecraft versions

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

Other mods
MinecraftThroughJavaEvidenceReleased
26.2NeoForge, Forge, Fabric25+declared16 Jun 2026
26.1.2Fabric, NeoForge, Forge25+declared9 Apr 2026
26.1.1Forge, NeoForge, Fabric25+declared1 Apr 2026
26.1Forge, NeoForge, Fabric25+declared24 Mar 2026
1.21.11Forge, NeoForge, Fabric21+declared9 Dec 2025
1.21.10Forge, NeoForge, Fabric21+declared7 Oct 2025
1.21.9Forge, NeoForge, Fabric21+declared30 Sept 2025
1.21.8Forge, NeoForge, Fabric21+declared17 Jul 2025
1.21.7Forge, NeoForge, Fabric21+declared30 Jun 2025
1.21.6Forge, NeoForge, Fabric21+declared17 Jun 2025
1.21.5Forge, NeoForge, Fabric21+declared25 Mar 2025
1.21.4NeoForge, Forge, Fabric21+declared3 Dec 2024
1.21.3NeoForge, Forge, Fabric21+declared23 Oct 2024
1.21.2Fabric, NeoForge, Forge21+declared22 Oct 2024
1.21.1Forge, NeoForge, Fabric21+declared8 Aug 2024
1.21Forge, NeoForge, Fabric21+declared13 Jun 2024
1.20.6Forge, NeoForge, Fabric21+declared29 Apr 2024
1.20.5Forge, NeoForge, Fabric21+declared23 Apr 2024
1.20.4Forge, NeoForge, Fabric17+declared7 Dec 2023
1.20.3Forge, NeoForge, Fabric17+declared4 Dec 2023
1.20.2Forge, NeoForge, Fabric17+declared20 Sept 2023
1.20.1Forge, NeoForge, Fabric17+declared12 Jun 2023
1.20NeoForge, Fabric, Forge17+declared2 Jun 2023
1.19.4Forge, Fabric, NeoForge17+declared14 Mar 2023
1.19.3NeoForge, Forge, Fabric17+declared7 Dec 2022
1.19.2Fabric, NeoForge, Forge17+declared5 Aug 2022
1.19.1Forge, NeoForge, Fabric17+declared27 Jul 2022
1.19Forge, NeoForge, Fabric17+declared7 Jun 2022
1.18.2Forge, NeoForge, Fabric17+declared28 Feb 2022
1.18.1Forge, NeoForge, Fabric17+declared10 Dec 2021
1.18Forge, NeoForge, Fabric17+declared30 Nov 2021
1.17.1Forge, NeoForge, Fabric16+declared6 Jul 2021
1.17Forge, NeoForge, Fabric16+declared8 Jun 2021
1.16.5Forge, NeoForge, Fabric8+declared14 Jan 2021
1.16.4Forge, NeoForge, Fabric8+declared29 Oct 2020
1.16.3NeoForge, Forge, Fabric8+declared10 Sept 2020
1.16.2NeoForge, Forge, Fabric8+declared11 Aug 2020
1.16.1Fabric, NeoForge, Forge8+declared24 Jun 2020
1.16Forge, NeoForge, Fabric8+declared23 Jun 2020
1.15.2Forge, NeoForge, Fabric8+declared17 Jan 2020

7 older versions not shown.

Download

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

All 32 releases
1.0.0-alpha.32alpha14 Jul 2026

kotlinmcui-1.0.0-alpha.32.jar · 0.9 MB · for 26.2, 26.1.2, 26.1.1, 26.1, 1.21.11 +42 more

Download latest
c2e7d8b828bb…
Older versions24
  • 1.0.0-alpha.3022 Mar 20261.21.11, 1.21.10, 1.21.9, 1.21.8, 1.21.7 +38 more0.8 MB5.4k downloadsbc32dfcd40f4…Get
  • 1.0.0-alpha.2915 Mar 20261.21.11, 1.21.10, 1.21.9, 1.21.8, 1.21.7 +38 more0.8 MB632 downloadsc1cbf0e73728…Get
  • 1.0.0-alpha.2814 Mar 20261.21.11, 1.21.10, 1.21.9, 1.21.8, 1.21.7 +38 more0.8 MB144 downloads62da47c70cdd…Get
  • 1.0.0-alpha.277 Mar 20261.21.11, 1.21.10, 1.21.9, 1.21.8, 1.21.7 +38 more0.8 MB828 downloadsb50ad6b117d1…Get
  • 1.0.0-alpha.267 Mar 20261.21.11, 1.21.10, 1.21.9, 1.21.8, 1.21.7 +38 more0.8 MB35 downloadsaa1dea7b9666…Get
  • 1.0.0-alpha.257 Mar 20261.21.11, 1.21.10, 1.21.9, 1.21.8, 1.21.7 +38 more0.8 MB23 downloadsa7ecf4f4785e…Get
  • 1.0.0-alpha.247 Mar 20261.21.11, 1.21.10, 1.21.9, 1.21.8, 1.21.7 +38 more0.8 MB14 downloadsf4348eaa95d6…Get
  • 1.0.0-alpha.237 Mar 20261.21.11, 1.21.10, 1.21.9, 1.21.8, 1.21.7 +38 more0.8 MB37 downloads2bd0df20ce5f…Get
  • 1.0.0-alpha.224 Mar 20261.21.11, 1.21.10, 1.21.9, 1.21.8, 1.21.7 +38 more0.8 MB1.7k downloads29dde4c0dfb2…Get
  • 1.0.0-alpha.211 Mar 20261.21.11, 1.21.10, 1.21.9, 1.21.8, 1.21.7 +38 more0.7 MB274 downloads9846a93a6865…Get
  • 1.0.0-alpha.2025 Feb 20261.21.11, 1.21.10, 1.21.9, 1.21.8, 1.21.7 +38 more0.7 MB569 downloadsc533f6063175…Get
  • 1.0.0-alpha.1923 Feb 20261.21.11, 1.21.10, 1.21.9, 1.21.8, 1.21.7 +38 more0.7 MB183 downloadsa05fb5e80bea…Get
  • 1.0.0-alpha.1822 Feb 20261.21.11, 1.21.10, 1.21.9, 1.21.8, 1.21.7 +38 more0.7 MB193 downloads069f381bf8d5…Get
  • 1.0.0-alpha.1721 Feb 20261.21.11, 1.21.10, 1.21.9, 1.21.8, 1.21.7 +38 more0.7 MB77 downloads60396b7c5340…Get
  • 1.0.0-alpha.1621 Feb 20261.21.11, 1.21.10, 1.21.9, 1.21.8, 1.21.7 +38 more0.7 MB34 downloads96a7464c0cbb…Get
  • 1.0.0-alpha.1521 Feb 20261.21.11, 1.21.10, 1.21.9, 1.21.8, 1.21.7 +38 more0.7 MB33 downloadse5e671522b1c…Get
  • 1.0.0-alpha.1420 Feb 20261.21.11, 1.21.10, 1.21.9, 1.21.8, 1.21.7 +38 more0.7 MB125 downloadsfb707a779ac4…Get
  • 1.0.0-alpha.1315 Feb 20261.21.11, 1.21.10, 1.21.9, 1.21.8, 1.21.7 +38 more0.7 MB254 downloads8336825e6429…Get
  • 1.0.0-alpha.1215 Feb 20261.21.11, 1.21.10, 1.21.9, 1.21.8, 1.21.7 +38 more0.7 MB14 downloads4911fb389bac…Get
  • 1.0.0-alpha.1114 Feb 20261.21.11, 1.21.10, 1.21.9, 1.21.8, 1.21.7 +38 more0.7 MB13 downloads368305f46210…Get
  • 1.0.0-alpha.1014 Feb 20261.21.11, 1.21.10, 1.21.9, 1.21.8, 1.21.7 +38 more0.7 MB18 downloads52e34c6bd1c0…Get
  • 1.0.0-alpha.914 Feb 20261.21.11, 1.21.10, 1.21.9, 1.21.8, 1.21.7 +38 more0.7 MB8 downloadsecbb7c3de8cc…Get
  • 1.0.0-alpha.813 Feb 20261.21.11, 1.21.10, 1.21.9, 1.21.8, 1.21.7 +38 more0.7 MB6 downloadsc7ca31605433…Get
  • 1.0.0-alpha.713 Feb 20261.21.11, 1.21.10, 1.21.9, 1.21.8, 1.21.7 +38 more0.7 MB5 downloads05ad0b8a5b96…Get

Frequently asked

Does KotlinMCUI work on Minecraft 26.2?

Yes. 26.2 is the newest Minecraft version KotlinMCUI 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 KotlinMCUI support?

Everything the author has declared, from 1.14 up to 26.2. The full list is in the table above, with the Java runtime each version needs next to it.

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

The client only. There is nothing to install on the server side. That is the author's declared design, not a guarantee for every server: one running anti-cheat or missing a counterpart mod can still object.

Which platform or loader does KotlinMCUI support?

NeoForge, Forge, 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 KotlinMCUI?

On the newest Minecraft version it supports, Java 25 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 KotlinMCUI under?

MIT, 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 KotlinMCUI?

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 KotlinMCUI 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.

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Details from Modrinth, where the author last updated it on 14 Jul 2026. 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? .