JohnGDDR5

Toggle Orbit is a Blender addon that switches the 3D Viewport's Orbit Method with a hotkey or with buttons added to the Header. The developer gives sculpting as an example, where you may want to change Orbit Methods often.

Backup Object is a Blender workflow addon that creates backups of one or more selected objects with a single button click, duplicating them completely into their own collections for easy reference.

Property Builder is a Blender add-on for riggers that creates, updates and transfers custom properties for rig controls. It registers dedicated panels for building properties and copying them between locations.

Res Switch is an add-on for Blender 2.79 and 2.80 that adds more control and a faster resolution-changing workflow for rendering and compositing, placing a panel in the Render tab and the Node Editor compositor.