Web Browser

  1. Mozilla Firefox
  2. Google Chrome

 

RSS Aggregator

  1. NewzCrawler
  2. FeedDemon

 

E-Mail

  1. Mozilla Thunderbird
  2. Opera
  3. Windows Live Mail

 

Blogging

  1. WordPress
  2. Blogspot

 

Instant Messaging

  1. Yahoo Messenger
  2. Pidgin

 

Newsgroup/Message Board

  1. Google Groups
  2. Yahoo! Groups

 

Chat Room

  1. Yahoo Messenger
  2. Skype

 

FTP

  1. FileZilla
  2. SmartFTP

 

Text, Picture, Video Messaging

  1. Skype
  2. Yahoo Messenger

 

VoIP

  1. Skype
  2. Gizmo5

 

Video Confrencing

  1. Skype
  2. Windows Live Messenger