Neo-Loom
Neo-Loom is a free Gradle plugin for setting up Minecraft mod development environments with NeoForge and MinecraftForge.
What Neo-Loom is
Neo-Loom is a free Gradle plugin for setting up Minecraft mod development environments with NeoForge and MinecraftForge. It is a fork of Fabric Loom and is heavily based on Architectury Loom. The README lists implemented support for NeoForge 1.21+ and MinecraftForge 1.20.1+. It supports multi-loader projects, client and server scope, and dedicated server work. Packaging support includes Jar-in-Jar, while ClassTweaker or AccessWidener files can be converted to AccessTransformer format. Neo-Loom can publish and consume ModDevGradle-compatible Access Transformers and Interface Injections, and Devlaunch is listed as implemented. The project documents run configurations for NeoForge and MinecraftForge, including server data, client data and game test server environments. Setup instructions direct developers to add the RelativityMC Maven repository and use the listed Gradle plugin IDs. The repository identifies the project as MIT licensed and points users to its Discord server for support. Listed work still to do includes JUnit, production launch tasks, and split-source, client-only and server-only setups for (Neo)Forge.
Good
- Supports NeoForge 1.21+ and MinecraftForge 1.20.1+.
- Includes Jar-in-Jar packaging support.
- Converts ClassTweaker or AccessWidener files to AccessTransformer format.
- Supports ModDevGradle-compatible transformers and interface injections.
- Includes client, server and game test server run configurations.
Watch out
- JUnit is listed as work still to do.
- Production launch tasks are listed as work still to do.
- Split-source and client-only/server-only setups remain to-dos.
Who it suits
Neo-Loom suits Minecraft mod developers building projects for NeoForge or MinecraftForge, including work spanning client and server environments. It is intended for mod-development setup through Gradle.
Verdict
Neo-Loom provides mod-development tooling for two Minecraft loader families, including packaging and access-conversion support. Review its listed to-dos if your project depends on production launch tasks or split and loader-specific source setups.
The facts
Each one read from Neo-Loom's own pages, with the date it was checked.
What it does
- Access conversion
- It supports converting ClassTweaker or AccessWidener files to AccessTransformer format.checked 7 Oct 2026
- Build setup
- The README shows Gradle plugin setup using the Fabric and RelativityMC Maven repositories and the Gradle Plugin Portal.checked 7 Oct 2026
- Current limitations
- The README lists JUnit, production launch tasks, and split-source, client-only, and server-only setups for (Neo)Forge as to-dos.checked 7 Oct 2026
- Devlaunch
- Devlaunch is listed as currently implemented.checked 7 Oct 2026
- Distribution
- The README directs users to add the RelativityMC Maven repository and shows Gradle plugin IDs for using Neo Loom.checked 7 Oct 2026
- Forge configuration
- The README documents run configurations for NeoForge and MinecraftForge, including server data, client data, and game test server environments.checked 7 Oct 2026
- Intended users
- The README describes the plugin as a tool for Minecraft mod development, with support for NeoForge and MinecraftForge projects.checked 7 Oct 2026
- Jar-in-Jar
- Jar-in-Jar support is listed as currently implemented.checked 7 Oct 2026
- License
- The repository identifies its license as MIT.checked 7 Oct 2026
- Maintainer profile
- The RelativityMC GitHub organization links to a Discord server and does not display public organization members.checked 7 Oct 2026
- ModDevGradle
- It supports publishing and consuming ModDevGradle-compatible Access Transformers and Interface Injections.checked 7 Oct 2026
- ModDevGradle compatibility
- It supports publishing and consuming ModDevGradle-compatible Access Transformers and Interface Injections.checked 7 Oct 2026
- Packaging
- Neo Loom supports Jar-in-Jar.checked 7 Oct 2026
- Purpose
- Neo Loom is a Gradle plugin for setting up Minecraft mod development environments.checked 7 Oct 2026
- Support
- The project README invites users to reach out through its Discord server.checked 7 Oct 2026
- Supported versions
- The README lists NeoForge 1.21+ and MinecraftForge 1.20.1+ as currently implemented.checked 7 Oct 2026
- Toolchain
- It is a fork of Fabric Loom that supports the NeoForge and MinecraftForge modding toolchain and is heavily based on Architectury Loom.checked 7 Oct 2026
Money
- Planned work
- The listed to-dos include JUnit, production launch tasks, and split source, client-only, and server-only setups for (Neo)Forge.checked 7 Oct 2026
Alternatives to Neo-Loom
- 1
Blockbench
Free planOpen sourceAndroidiOSWebAPI8.1Free plan - 2
IntelliJ IDEA
Free planAPIExtensionLinuxmacOS7.8Free plan - 3
Visual Studio Code
Free planWebLinuxmacOSWindows7.4Free plan - 4
Fabric
Free planAPILinuxmacOSSelf-hosted6.8Free plan - 5
Minecraft Development MCP Server
Free planAPILinuxmacOSSelf-hosted6.6Free plan - 6
Quilt Loom
Free planLinuxmacOSWindows6.6Free plan