Generic base boxes, providing a variety of operating systems, and available across a number of different virtualized platforms.
https://app.vagrantup.com/generic
https://app.vagrantup.com/lavabit
https://app.vagrantup.com/lineage
https://hub.docker.com/r/lavabit/
Note, the generic templates are being refactored to use the split function. This requires packer v1.2.6+.
Devuan
DragonFly BSD
Manjaro
Mint
OpenSolaris
OpenSUSE Leap v15 (already building v42.3)
Oracle 6 (already building v7)
Scientific Linux v6/v7
Slackware
MacOS
ReactOS
Red Hat Enterprise v6 (already building v7)
Windows
Tails
Kali