• It is a good free browse, easy surfing a web, block pop-up ads, Autofill menu..

• Here are some Key features:

  Flash Animation Filter: stop flash ads
  Built-in AD/Pop-up Blocker
  Additional Mouse Functions: if you press a link with middle button the link will be opened in a new window, there are mouse gestures.
  Multi-Window Browsing
  Skins
  
• Size / OS: 1.90 MB, Windows All
• License: Freeware 
  
• More details from tucows
• Video describing features from Download.com
  
• More details from Download.com
  
• More details from Softpedia
  
• Screenshots by Softpedia(3)
  
• Download Link1
• Download Link2
• Download Link3
• Download Link4(with lots of mirrors)
  
• Homepage  

Opera internet browser

• One of the most powerful browsers
• Good alterntive for FireFox and Internet Explorer
• Has a separated multi channel download manager
• Has perfect AutoComplete Notes tool to complete text boxes, for example if you want write your email in many pages, you can use Notes tool and write your email on it one time, then press Down button on the text box you want to enter your email, a menu will appear to you containing your email address and some old notes you typed before in Notes Tool
• Contains various tabs in one application
• Freeware
• Website: http://www.opera.com/ you can download it from there.

Microsoft Internet Explorer (IE)

• Comes with all windows versions
• Has lots of features but have some disadvantages
• FireFox better than Internet Explorer, but Internet Explorer works with all sites
• Freeware
• Has some new little Add-Ons
• Website: IE Homepage
• You can download it from its homepage