How to add additional options to preexisting panels in your addon
10583
How to create a custom UI?
21175
Resetting Xfce Panels to default settings?
1019
How do I create tools with multiple properties?
69938
Delphi control that could mimic "Add-ons|Extension list" of Firefox?
122512
How to clear out and reuse p:dialog when adding new items
155337
Update help center on syntax highlighting to point to an actual list of options
125280
How to implement "Add another item" for custom forms?
83886
Customizing New Sidebar in the Lightning Experience?
79869
Semi-transparent custom layout panel
85659
How to build custom UI that works both for users that have opted in to Lightning Experience and users that have not?
21959
how to hide a panel in javascript
129178
how do I add javascript to a specific panel-page
39541
Inheriting Options?
132664
How can I add a panel to the properties area of the file browser?
38548
Creating a custom permanent property in Blender 2.70 python script to access in GUI Panel
22124
Object selection box in addon
113414
Where is the Layers panel in Blender 2.8?