An alternative for Nebula which supports files and usage of Fabric Mods. This python script makes it much easier to add mods to an Distribution Index in the HeliosLauncher format. I used and use it to add more mods to AxolotlClient
- open a Command Line
- navigate to the Directory 'nebulae.py' is in
- run 'python nebulae.py'
- copy your string into the distribution.json file
- Have Fun!