English
Español
Français
Português
日本語
简体中文
한국인 No user reviews found
Best Known Sites Alternatives
Here are some Firefox add-ons that are similar to Known Sites:
Simple Site Blocker
Big Developer
23 4.50 
(4) 
Website Blocker
Softpulse Infotech
332 5.00 (4) 
Website Blocker
Carlo Westarp
5 0.00 (0) 
Secure Search
Ankit Pal
2 5.00 (2) Block Site
Neil Butler
3 1.00 (1) 
Page Block
Leon99K
48 0.00 (0) 
Precision Site Blocker
F168
- 0.00 (0) Scanner Blocker
Sam Macbeth
3 0.00 (0) 
SimpleBlockPages
PabloRosales
53 5.00 (6) 
Private Site Blocker
flrnt
1 0.00 (0) 
Don't Visit - Block Sites
Systemcluster
11 1.00 (1) 
BlockURL
BeatLink
86 2.25 (4)