SecureCentral PatchQuest Free Edition 

SecureCentral PatchQuest is an automated patch management software for distributing and managing security patches, hotfixes and updates across heterogeneous networks comprising Windows, Red Hat and Debian Linux systems in just a few simple clicks.
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WinINSTALL 

WinINSTALL Desktop Availability Suite is the most easy-to-use, single solution for MSI Packaging, Patch Management, Software Distribution, Asset Management, License Compliance checking
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