Most users who bought tweaks on Packix were able to transfer those purchases to the Havoc Repository Legacy Support:
The official repository URL was:
If the tweak was free, the developer may have uploaded it to a personal GitHub repo or to a community archive like or Archive.org (some users backed up the Packix .deb files before shutdown). repo packixcom full
The Packix.com repository contains a vast collection of Minecraft mods, including: Most users who bought tweaks on Packix were