Documents

Zoho

Google Docs

Scribd

Open Office

AbiWord

NeoOffice

IBM Lotus Symphony

Scribus

Diagrams and drawings

Gliffy

Bubbl.us

Freemind

Project Draw

Mindmeister

Imagination Cubed

Cmap

Flowchart.com

Mind-mapping.org

Mapul

Sketchcast

Mindomo 

Google Sketchup

Images

Editing or creating

Getpaint

GIMP

Picnik

Inkscape

Photoshop Express

Aviary

Flaunter

Irfanview

pikfix.com 

rsizr.com

Splashup

Sharing

Flickr

Picasa 

Windows Live Photo Gallery

Presentations

Creating and editing

Zoho

Google Docs

SPresent

Thumbstacks

280slides

Animoto

Photoshow 

Empressr

Sharing

Slideshare

Authorstream

Zentation

Slideboom

Web pages

Creating a Website

Google Sites

Wix

Weebly

Infogami

Popfly

Backboard

pForm

Nvu

KompoZer

Notepad++

Blogging

Blogger

Edublogs

Wordpress

WindowsLiveWriter

w.bloggar

CoComment

co.mments

DisQus

Collaborating

pbwiki

Wikispaces

WetPaint

Video

Editing or Recording

VideoSpin

Wink

MediaNotes

qik

Taksi

Capture Me 

Xvidcap  

Jing

Cinlerra

Eyespot.com

Jumpcut.com

Miro

MythTV

TVersity

Ustream.tv

Echo360

Converting files

Video Converter

ViLoader.Net

HandBrake

Sharing or Playing

Teachertube

Google Video

YouTube

VoiceThread

Sclipo

Howcast

5min.com

Jing

Ustream

YouTube Uploader

Video LAN

MPlayer

VLC media player

Audio

Editing or Recording

Audacity

Gabcast

Mixwit

Levelator

Reaper

Wavosaur

File Conversion

NCH Software

Search

Skreemr

Sharing or Playing

Podbean

Gcast

Gabcast

Educational Podcast Network

iTunes

Foobar

WinAmp

Songbird

Riffster Lite

Instant Messaging         

GTalk

AIM

MSN

Digsby

Meebo

Pidgin

Trillian

Discussion Forums

Google Groups

Lefora

Web conferencing and

broadcasting

Skype

Yugma

Elluminate

qik

Ustream

DimDim

ooVoo

SightSpeed

Second Life

GizmoProject

Tools for Networking

Ning

Facebook

LinkedIn

Spokeo

Swurl

FriendFeed

Second Life

Networking around books

Library Thing

Goodreads

Shelfari 

Microblogging               

Twitter 

Pownce

Plurk

Course Management

Moodle

Engrade

Chalksite

Haiku

Utips

Time Management

Google Calendar

Calgoo.com

Yahoo! Calendar

Lightning

Sunbird

Tsheets

Task Management

Remember the Milk

Tada List

Todoist

Tudu  

Voo2do.com

TracksLife

30 Boxes

Jott 

mySchoolog

CollegeRuled

Gradefix

Project or Team Management

Basecamp

Huddle 

ClockingIT

Tuggle

TeamCowboy

Information Management

Searching for Information

General Search Engines

Google

Ask.com 

Alltheweb

Cuil

Yahoo!

Metasearch

Whonu

Surfwax

ixquick 

Clusty 

Mamma

Dogpile

Kartoo 

Specialized Search Engines

Technorati

Hakia

Schoolr

Powerset

Librarians Internet Index

2lingual.com

Video fetcher

seeqpod

Search.twitter.com

Boardtracker

askkids.com

Zoeybot 

Search Engines with visual display

Kartoo

Wetmount 

Piclens 

Viewzi

Search Engine Tools

Boolify.org

Search Engine Watch

Collecting Information

Survey Monkey

Poll Daddy

Doodle 

Poll Everywhere

Google Documents

Organizing Information

Libra

Plaxo

EssentialPIM Free 

Personalizing your start page and/or reading feeds

iGoogle

PageFlakes

Netvibes

Bloglines

Google Reader

Juice

 Bookmarking and Citation Management

Diigo

delicious

Stumbleupon

Furl

Magnolia

Connotea

CiteULike

Sync2It

Only2Clicks

Zotero

Notetaking

Google Notebook

Stickies

MyStickies

Awesome Highlighter

Evernote

Notely

Notesake

Kwout

Change to Link

Protecting Your Data

Malware Detection

AdAware

Spybot

Avast!

AVG Anti-Virus Free Edition

Avira AntiVir Personal Edition Classic

HijackThis

NanoScan

ThreatFire AntiVirus

Trend Micro HouseCall

Firewalls, etc.

Comodo Firewall Pro

ShieldsUP!

SmoothWall Express

ZoneAlarm Free

EULAlyzer

Hotspot Shield

Kruptos 2

PC Flank

SendShield 

Filtering Content

K9

File Sharing Sentinel

B Gone

Free Shield

Parental Control Bar

Crawler Parental Control Software 

Customizing a Browser

Browser Options

Firefox

Flock

Maxthon

Opera

Prism

Browser Add-ons

IE7Pro

Mozilla Firefox Add-ons