Study Tools

by Mr. E

2 Add-ons in this Collection

LeechBlock by James Anderson

Rated 5 out of 5 stars 612 reviews

74,057 users

LeechBlock is a simple productivity tool designed to block those time-wasting sites that can suck the life out of your working day. All you need to do is specify which sites to block and when to block them.

Reader by Baris Derin

Rated 5 out of 5 stars 59 reviews

33,487 users

Reader is the ultimate Reader tool for Firefox.

What are Collections?

Collections are groups of related add-ons that anyone can create and share.

Explore Collections

More by this User

See all collections by this user