AirBuddy - Bring the same AirPods experience from iOS to Mac
LucidChart - LucidChart is the missing link in online productivity suites. LucidChart allows users to create, collaborate on, and publish attractive flowcharts and other diagrams from a web browser.
Juice for macOS - The missing Bluetooth manager for macOS you always wanted.
draw.io - Online diagramming application
ToothFairy - Connect accessories to your Mac with a single click
PlantUML - PlantUML is an open-source tool that uses simple textual descriptions to draw UML diagrams.