OnApp allows uploading custom bootable ISOs for recovery purposes. These could be different images for Windows/Linux/FreeBSD or any additional software.
Currently, user can only view public ISOs.
To view the ISOs available to you:
For each ISO listed, you see the following details displayed:
log status - the status of the last log item of the ISO (complete/pending/failed). Click the status to view the log details for the ISO (available to the ISOs that were uploaded through an URL).