An advanced modding lib for Minecraft
The loader uses so many projects to work. here are some projects: helium-utils
Helium is made on Java, you can Make Mods with these instructions:
Download helium example mod
If you are using Eclipse:
Run gradlew eclipse
Import .classpath and .project to your Eclipse workspace
If you are using IntelliJ:
Go to File, go to Open and go to your project and select build.gradle
Select the "Import as Project" option
Now you can make mods!