StackSocial offers its 2018 Mac Essentials Bundle for $19.99. That's $505 under the cost of purchase these items individually. This bundle includes BusyCal 3, Cargo VPN: 2-Year Subscription, HoudahSpot 4, Ubar 4, Cisdem DuplicateFinder 4: Lifetime License, Systweak Anti-Malware Pro: 2-Yr Subscription, Movavi Photo Editor, Concealer, Flip PDF for Mac: Lifetime License, and RollerCoaster Tycoon 3: Platinum. Deal ends March 20.