Developer reply by cg-addons
Rated 5 out of 5 stars
With Mozilla planning to basically kill off most plugins going forward, I don't know if it will be smart to stick with FF.
This review is for a previous version of the add-on (5.7.34). This user has a previous review of this add-on.We are planning on creating a Web Extensions version of CYS
To create your own collections, you must have a Mozilla Add-ons account.