DocGen - Static website generator
Veeam Backup - Backup and restore VMware and Hyper-V virtual machines with Veeam Backup Free Edition. Unlimited hosts and VMs. Free forever.
LogicalDOC - A document management system such as LogicalDOC can help your organization better manage business processes and put order in the chaos of documents every day run your business.
SolarWinds Backup - Modern server backup software
openSourceCM - Web-based legal document processing and contract management
Zerto - Virtual replication & recovery solution