To try the thousands of add-ons available here, download Mozilla Firefox, a fast, free way to surf the Web!
CloseWelcome to Firefox Add-ons.
Choose from thousands of extra features and styles to make Firefox your own.
CloseDeveloper reply by L0garithmic
Rated 4 out of 5 stars
but why is there no hint how to use it?
neither in addon page nor on this download site??
update:
thanks for adding how to use...
Added some notes on use. Let me know if I am missing anything others should know.
To create your own collections, you must have a Mozilla Add-ons account.