http://gothub.r4focoma7gu2zdwwcjjad47ysxt634lg73sxmdbkdozanwqslho5ohyd.onion/gorilla-devs/ferium
Sodium's repository has the id CaffeineMC/sodium ). You can find these at the top left of the repository's page. So to add Sodium , you should run ferium add CaffeineMC/sodium . Important The GitHub repository needs to upload JAR files to their Releases for ferium to download, or else it will refuse to be added.