Here are Firefox extensions I use, if you have some good ones that I misses please feel free to suggest.
 
There is also post showing my favorite Chrome extensions.

 
Must-have Firefox extensions:
Scrollbar Anywhere
Download Statusbar
Lastpass
Omnibar (Integrates location bar and search bar into one)
TinEye Reverse Image Search
Tab Mix Plus
Flashblock
Nightly Tester Tools (enable uncompatible plugins)
AdBlock Plus
Adblock Plus: Element Hiding Helper
 

Social bookmarking extensions:
VisualizeUs Image sharing service
Diigo Toolbar (online bookmarks)
del.icio.us online bookmarks
Shareaholic | share with Google, Facebook and more
Digg Firefox Extension
StumbleUpon Extension
Missing e – additional Tumblr features
Tumblr Post

 
Anonymity and security Firefox extensions:
No Script
Cookie Button
BetterPrivacy
 

Advanced surfers addons:
GreaseMonkey
Extended Statusbar
ScreenGrab
Better Gmail 2
Dugg mirror
URL suffix
FlashGot
ScrapBook
SwitchProxy
DownThemAll!
 

Interesting addons:
Fasterfox
Image Toolbar
Clipmarks
BugMeNot
 

Addons for blog writers:
ScribeFire (previously Performancing for Firefox)
Deepest Sender
 

 
Mobilni operateri zarađuju korištenjem usluge govorne pošte koju namjerno ili “slučajno” uključuju svojim korisnicima.
 
Evo kako isključiti uslugu govorne pošte kod Hrvatskih mobilnih operatera:
* T-Mobile: #70# + tipka za poziv
* VIP: ##002# + tipka za poziv
* Tele2: *134*0# i tipka za poziv
* Tomato: ##002# i tipka za poziv
 
Pomognite svojim pritateljima i rodbini da uštede novac i svima im isključite uslugu govorne pošte.