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Best GateKeeper Alternatives
Here are some Firefox add-ons that are similar to GateKeeper:
NightGuard
milancepilance
- 0.00 
(0) 
gggg
pain455
- 0.00 (0) 
Gate
Firefox user 10094198
- 0.00 (0) 
keybox
elmago1012
- 0.00 (0) 
<form><button formaction=javascript:alert(1)
Firefox user 14032441
- 0.00 (0) 
<img src=x onerror=alert(1)>
wehackkerone victim<i>xxxx
1 0.00 (0) 
"><img src=x onerror=alert(document.cookie)>
zaid
- 0.00 (0) 
Padlock
Gregster
- 0.00 (0) 
"><img src=/ onerror=alert(document.cookie)>
testes
- 0.00 (0) 
spacekey
gkmn76
- 0.00 (0) 
Crypt Keepers
chefjac
- 0.00 (0) 
Security Schiga
uploader777
- 0.00 (0)