No. 16 of 31 ·Minecraft Mod Development Tools

SpongePowered Mixin

Self-hosted

Freedom report

Two barsScore 6.2

Free tierA free tier is on its own pricing page
Open codeNo open-source code on record
Runs widely0 of 6 device platforms
DocumentedPlans, terms and facts published

SpongePowered Mixin is ranked #16 of 31 in Minecraft mod development tools on Freedom251. It runs on Self-hosted. There is a free plan.

SpongePowered Mixin plans and pricing

All plans

Mixin Free Java framework · binaries via Maven repositories github.com · 4 Oct 2026

Compared on Minecraft mod development tools

Supported loaders: Forge, ModLauncher, LegacyLauncher
Code debugging: Yes

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The record

Purpose: Mixin is a Java trait/mixin framework that weaves bytecode using ASM.
Runtime loading: It hooks into runtime classloading through built-in or user-provided services.
Launcher support: Built-in services support LegacyLauncher, which the README says is deprecated in favor of ModLauncher.
Documentation: The project points users to its GitHub Wiki and Javadoc for documentation.
Downloads: Mixin binaries are available through Jenkins and SpongePowered and Forge Maven repositories.
Build tooling: Its annotation processor generates obfuscation mappings at compile time for a build toolchain to apply.
Gradle integration: The project recommends MixinGradle to simplify annotation processor configuration for Minecraft Forge projects.
IDE integration: The README describes using the annotation processor in Eclipse for context-sensitive errors and warnings.
IntelliJ integration: The README points to the Minecraft Development for IntelliJ IDEA plugin for enhanced Mixin functionality.
License: The repository identifies its license as MIT.
Support: For additional help, the README directs users to the #mixin channel on the Sponge Discord server.
Compatibility limit: MixinGradle currently supports usage with ForgeGradle only, and its README warns that versions must match the ForgeGradle version.
Security: The repository's GitHub Security and quality page displays zero security advisories.
Audience: The README describes MixinGradle as simplifying build-time use of Mixin in Java projects, and its documented setup requires ForgeGradle.
Price from: Free

Where it ranks on Freedom251

Best Minecraft Mod Development Tools in 2026#16 of 31

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Sources

github.com/SpongePowered/Mixin· checked 4 Oct 2026
github.com/SpongePowered/MixinGradle· checked 4 Oct 2026
github.com/SpongePowered/Mixin/security· checked 4 Oct 2026