Performance

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Bluhell Firewall

Get a faster browsing experience by blocking nasty web resources using Bluhell Firewall, the lightweight Ad-Blocker and Tracking/Privacy Protector.

Rated 4 out of 5 stars (497)
534 users
Updated Aug. 14, 2017

Silent Block

Minimum and fast URL blocker.

Rated 4 out of 5 stars (31)
194 users
Updated Aug. 7, 2017

techblocker

Search with Joy! Block Ads While Surfing!

Rated 5 out of 5 stars (3)
23 users
Updated July 7, 2017

Addons Memory Usage - Button Requires Restart

Add toolbar button for about-addons-memory-pm

But not only, also provide shortcuts for :

- Free Memory (needs free memory button)
- Abouts list page (about:about)
- Plugins page (about:plugins)

github.com/intika/about-addons-memory-pm

Rated 2 out of 5 stars (1)
1 user
Updated March 17, 2017

about:addons-memory

Adds an about:addons-memory page that details add-on memory usage

Rated 4 out of 5 stars (149)
18 users
Updated Aug. 12, 2016

Tasks Scheduler (Sea Monkey)

Keep a list of your important todo list in one place.

Not yet rated
3 users
Updated June 25, 2016

mozCleaner

Cleans your Firefox, Thunderbird, SeaMonkey, Fennec (unstable), Instantbird and BlueGriffon.

Rated 3 out of 5 stars (6)
19 users
Updated June 6, 2015