https://www.acdsee.com/en/products/acdsee-free/ End User License agreement doesn't prohibit business use.Ease file browser with log of graphic formats supported
Webtools add-in for SuperOffice. This add-in needs admin permission to install. Think it is updated 3-4 time a year https://www3.superoffice.com/DownloadService/
Quite widely used by business side to save quite a few clicks everytime something needs to be happening between zoom and outlook https://zoom.us/client/5.17.0.981/ZoomOutlookPluginSetup.msi