I’ve noticed there is an API for creating custom devtools panels:
Are there any add-ons using these? And is there a way to list them?
The category “Web Development” is not exactly what I’m looking for:
Recently I’ve found Scratchpad which is amazing tool so I’m thinking there may be more hidden gems I should know about.
Are there any other useful tools?
web-ext is a must and if you are using Intellij Idea, make sure to add a web-extension library: