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RFTools BaseMinecraft mod for 1.21.1

RFTools Base: base mod for all McJty tech mods

client and servernewest supported 1.21.1TechnologyTransportation
Latest version
1.21-6.0.11
Minecraft
1.14.3 to 1.21.1
Java
Java 21+
Loaders
NeoForge, Forge
Licence
MIT
Downloads
322.3k
Updated
3 mo ago
Available on
Modrinth
Space NodePartner

Host RFTools Base servers

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

  • 1.21.1
  • NeoForge
  • Forge
  • One click mod install
  • Loader matched for you
  • Ryzen CPUs
  • NVMe SSD
Deploy a serverFrom €0.90 per GB

Minecraft versions

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

Other mods
MinecraftThroughJavaEvidenceReleased
1.21.1NeoForge, Forge21+declared8 Aug 2024
1.20.1NeoForge, Forge17+declared12 Jun 2023
1.19.4Forge, NeoForge17+declared14 Mar 2023
1.19.3NeoForge, Forge17+declared7 Dec 2022
1.19.2NeoForge, Forge17+declared5 Aug 2022
1.19.1NeoForge, Forge17+declared27 Jul 2022
1.19NeoForge, Forge17+declared7 Jun 2022
1.18.2Forge, NeoForge17+declared28 Feb 2022
1.18.1NeoForge, Forge17+declared10 Dec 2021
1.16.5NeoForge, Forge8+declared14 Jan 2021
1.16.4Forge, NeoForge8+declared29 Oct 2020
1.16.3Forge, NeoForge8+declared10 Sept 2020
1.16.2NeoForge, Forge8+declared11 Aug 2020
1.15.2NeoForge, Forge8+declared17 Jan 2020
1.14.4Forge, NeoForge8+declared19 Jul 2019
1.14.3NeoForge, Forge8+declared24 Jun 2019

Download

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

All 60 releases
1.21-6.0.11beta16 Jun 2026

rftoolsbase-1.21-6.0.11.jar · 0.4 MB · for 1.21.1

Download latest
8c6f8f7dee9d…
Older versions24
  • 1.20-5.0.716 Jun 20261.20.10.4 MB13.3k downloads988e00f5449a…Get
  • 1.21-6.0.1026 Nov 20251.21.10.4 MB17.6k downloads8f6fe0975d16…Get
  • 1.21-6.0.96 Nov 20251.21.10.4 MB1.3k downloadse5b43e515772…Get
  • 1.21-6.0.813 Jul 20251.21.10.4 MB7.8k downloads770a4a58f901…Get
  • 1.21-6.0.729 Mar 20251.21.10.4 MB4.4k downloadseb97b9ae6bcc…Get
  • 1.21-6.0.616 Mar 20251.21.10.4 MB603 downloadse64f99a18c76…Get
  • 1.20-5.0.615 Feb 20251.20.10.4 MB86.6k downloads46d80561106c…Get
  • 1.21-6.0.52 Feb 20251.21.10.4 MB1.5k downloads4bb35116a67c…Get
  • 1.21-6.0.418 Dec 20241.21.10.4 MB884 downloadsd552c8c7d7af…Get
  • 1.21-6.0.310 Dec 20241.21.10.4 MB191 downloadscb7fbaa4e704…Get
  • 1.21-6.0.24 Dec 20241.21.10.4 MB205 downloads44d3ed6e60e4…Get
  • 1.21-6.0.122 Oct 20241.21.10.4 MB745 downloadsf74e04993519…Get
  • 1.21-6.0.021 Oct 20241.21.10.4 MB145 downloadsaf88c25ef817…Get
  • 1.20-5.0.510 Aug 20241.20.10.4 MB12.2k downloadse9cea782fe90…Get
  • 1.19-4.1.1010 Aug 20241.19.2, 1.19.3, 1.19.40.4 MB3.8k downloads870498a7fd1b…Get
  • 1.20-5.0.419 Jun 20241.20.10.4 MB5.2k downloads36a5da150182…Get
  • 1.19-4.1.919 Jun 20241.19.2, 1.19.3, 1.19.40.4 MB45.9k downloads8fd8cabea908…Get
  • 1.20-5.0.323 Apr 20241.20.10.4 MB4.4k downloads1fc995a0a950…Get
  • 1.19-4.1.822 Apr 20241.19.2, 1.19.3, 1.19.40.4 MB10.9k downloadscd620be9ee40…Get
  • 1.20-5.0.211 Sept 20231.20.10.4 MB34.7k downloads811a8b7d1f2f…Get
  • 1.20-5.0.110 Aug 20231.20.10.4 MB1.3k downloads7cf4165ac4c9…Get
  • 1.20-5.0.020 Jun 20231.20.10.4 MB1.8k downloads83d6823cdfb7…Get
  • 1.19-4.1.74 Apr 20231.19.2, 1.19.3, 1.19.40.4 MB26.5k downloadsd91cd2e38a85…Get
  • 1.19-4.1.628 Mar 20231.19.2, 1.19.3, 1.19.40.4 MB199 downloads05034bfc24d6…Get

Frequently asked

Does RFTools Base work on Minecraft 1.21.1?

Yes. 1.21.1 is the newest Minecraft version RFTools Base 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 RFTools Base support?

Everything the author has declared, from 1.14.3 up to 1.21.1. The full list is in the table above, with the Java runtime each version needs next to it.

Do I need to install RFTools Base 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 loader does RFTools Base need?

NeoForge, Forge. A build for one loader will not load on another, so this is the first thing to check before the Minecraft version.

Which Java version do I need for RFTools Base?

Java 21 or newer, because that is what the newest Minecraft release it supports requires. The requirement comes from the game rather than from the mod itself.

What licence is RFTools Base 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 RFTools Base?

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 RFTools Base safely?

From the author's own page on Modrinth, which is where the data here is synced from. MCReference never mirrors, re-hosts or repackages a file: every download button points at the original source, so you get exactly what the author published.

Works on the same versions

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

BookshelfAn open source library for other mods!GeckoLibA 3D animation library for entities, blocks, items, armor, and more!Cloth Config API (Fabric/Forge/NeoForge)Config Screen API for MinecraftJourneyMapReal-time map used for mapping in-game or your browser as you explore.Architectury APIAn intermediary api aimed to ease developing multiplatform mods.Enchantment DescriptionsAdds in-game descriptions for enchantments to tooltips.

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? .