I am aware of the following SharePoint Backup/Restore software.

1. AvePoint http://www.avepoint.com/
2. Microsoft Data Protection Manager for SharePoint http://www.microsoft.com/systemcenter/dataprotectionmanager/en/us/protect-sharepoint.aspx
3. QuestSoftware Recovery Manager solution for SharePoint http://www.quest.com/sharepoint/

I will add others as i come across them.  I am sure there are tons more.