Web Browsers

Firefox

Standards Compliant Browser

Flock

Surf the Web 2.0

Opera

Super secure browser

iCab

Browser with useful kiosk mode

Camino

Mac Style, Mozilla Power

Shiira

Slick WebKit browser

Netscape

Still going strong (NOT)

Sea Monkey

All-in-one Internet Application Suite

GarageBuy

Search eBay more effectively

Transmission

Bittorrent Client for downloads

Tweetie

Ad-supported twitter client.

TweetDeck

Great Twitter client

Social Platform for Teachers

eMail, News, Blogs and Calendars

Thunderbird

Powerful Mail Client

Serial Mail

Bulk eMailer

Address Book Exporter

Export all of your contacts

Sunbird

Brilliant calendaring application

Zimbra

Messaging and Collaboration Software

Funambol Server

MobileMe like sync services

HTTPMail Plugin

Get Hotmail in Mac Mail

PGP for Apple Mail

Read and write encrypted emails.

RapidoSMTP

Run your own SMTP mail server

Vienna

RSS Feed Reader

NetNewsWire

RSS Feed Reader

NetNewsFire

RSS Feed Reader

Shrook

Simple RSS Reader.

Pinapple News

RSS Feeds, Usenet and binaries

BlogoText

Manage blogs from your browser

Jing Project

Capture and Publish what you do.

FanBridge

Free email and mobile fan mailing list.

Chat and VOIP

PSI IM

Cross Platform Jabber Client

Colloquy

IRC, SILC and ICB Chat Client

Skype

VOIP and Video Chat

CamTwist

Use video-fx on non-ichat chats

XMeeting

Standards Video-conferencing

Gizmo

VOIP and Video Chat

Megafon

VOIP system

OpenWengo

Open Source VOIP system

Asterix

PBX and VOIP Telephony Solution

Adium

Universal Chat Client

Yahoo Messenger

IM and Video Chat

CamFrog

Video chat room community

Tasty Apps

Useful Mac gadgets and widgets.