Best Free Internet Software for Mac

WEB BROWSING

1. Mozilla Firefox
The Open Source Application that make your browsing experiences more fast, secure, and ready for cusmization. Support Tabs, Pop-up Blocking, themes, add-ons,etc
Download for free here

2. Opera
Opera Internet browser for fast and secure browsing. make your browsing fast and secure.
Download for free here

3. Fluid
Fluid is browser is based on Site Specific Browsers (SSBs), Fluid gives any WebApp a home on your Mac OS X desktop complete with Dock icon, standard menu bar, logical separation from your other web browsing activity
Download for free here

4. Camino
Camino is web browser based on the same mozilla foundation as firefox, but it's more native OS X app. Powerfull, elegant, and secure for browsing
Download for free here

5. Elinks
Elinks is advanced web browser that runs in text mode, can render table and frame
Download for free here



IM (INSTANT MESSAGING)

1. Adium
Adium is open source and also free instant messaging application, with this application user can connect user to any number of messaging account such as Yahoo!, AOL, MSN, Jabber, MySpace, Facebook, etc.
Download for free here

2. Coccinella
Coccinella is a free and open-source cross-platform communication tool with a built-in whiteboard for improved collaboration with other people.
Download for free here

3. MacIrssi
Based on the *nix IRC client irssi (http://www.irssi.org), MacIrssi is a powerful, free of charge, open source IRC client. It combines the power of the irssi engine with an elegant and flexible GUI.
Download for free here


MAIL

1. Thunderbird
Thunderbird includes many new features to help you manage your inbox. With Thunderbird 2, it’s easier to prioritize and find your important email with tags and the new find bar helps you find content within your email faster.
Download for free here

2. Mail Scripts
MacOS X's Mail and Address Book have large AppleScript dictionaries which allow almost every aspect of these programs to be scripted. Since some features are rather cumbersome in the standard implementation, I decided to write some scripts to ease workflow. After the release of MacOS X 10.3 (Panther) all scripts have been completely rewritten as AppleScript Studio applications allowing for many additional features.
Download for free here

3. MyPopBarrier
This program allow to remove your emails directly on the server. It can raise several accounts at the same time.
Download for free here


VOIP

1. Skype
Free calls, video calls and instant messaging over the internet. Plus great value calls to phones anywhere in the world.
Download for free here

2. Yahoo! Messenger
Send files of any size directly to your online friends. Use webcam to share live video with your friends. Stay connected to Messenger on your mobile phone. Express your feelings in a conversation using little animated smiley faces.
Download for free here