Social Bookmarking Sites

• del.icio.us
• wobblog
• blinklist
• shadows
• clipmarks
• Simpy
• Goovite
• Furl
• Spurl
• Rollyo
• Squidoo
• StumbleUpon
• RawSugar
• Kopikol
• SurfTail
• thebeststuffintheworld
• TagTooga
• Eioba
• Listal

Social Communities

• MySpace
• facebook
• Orkut
• LinkedIn
• otavo
• consumating

Start Pages

• Netvibes
• Protopage
• Windows Live
• Start
• PageFlakes
• Google Ig
• LinkFeed
• eskobo
• MyWebDesktop

To Do Lists

• Ta-Da Lists
• Remember The Milk
• GooTodo

People News Production

• diggdot
• gabbr
• reddit
• Shoutwire
• Millions of Games
• Rojo
• Last.fm
• Pandora
• WikiCompany
• Glypho
• Yazai
• BlockRocker
• Wists
• SpinSpy
• NowPublic
• Odeo
• WebJay
• 180 Degree News
• Quimble
• Riffs
• ButterFly
• Bandnews

News Sites

• newgie
• news.google
• touchstonelive

Image Storing and Sharing

• riya
• flickr
• zoto
• glide effortlessly
• Shutterbook
• Fotolia
• iStockPhoto
• PhotoBucket

File Storage

• openomy
• xdrive
• omnidrive
• Allmydata
• Avvenu
• SendSpace
• eSnips
• StreamLoad

Video Storage

• stickam
• fireant
• videobomb
• YouTube
• eyespot
• dailymotion
• metacafe
• blinkx
• myfilmz.net
• Ourmedia
• Peerflix
• videobomb
• Videoegg
• Vimeo
• vSocial

Blog Filters

• technorati
• memeorandum
• Findory
• Topix
• blogniscient
• TailRank
• Bloglines

Word Processing

• Google Docs & Spreadsheets
• writeboard
• rallypointhq
• zohowriter
• JotSpot Live
• Webnote

Calanders

• CalendarHub
• kiko
• HipCal
• AirSet
• zEvents
• EventSniper

Classified & Business Directories

• craigslist
• Judysbook
• pagebites
• Blockrocker
• jobazaar
• lopico
• wuraweb
• Yellowikis

Project Management and Team Colaboration

• Basecamp
• CentralDesktop
• Planzo
• Backpack
• Zimbra
• ProjectPlace
• Doodle
• ZohoPlanner
• vyew
• norada
• stikipad
• 30boxes
• spongecell
• near-time

Content Filtering

• Techtiki
• ScoopGo
• Filangy

Mash-Ups

• Ning
• FlickrMap
• LivePlasma
• CoverPop
• Qube
• Kayak
• toEat
• AlexaDex
• trulia

Aggregators

• Google Reader
• SuprGlu
• PBwiki
• Attensa
• fluctu8
• NewsMob
• Blummy
• Fluxiom
• MeFeedia

Web Site Analytics

• Measure Map
• Google Analytics

E-Mail and Communication

• Meebo
• GMail
• myemail
• Tempinbox
• Citadel

Mapping

• Google Maps
• Yahoo! Maps
• MSN Maps
• Wayfaring

Parts

• TinyMCE
• RSS2PDF
• ZohoChallenge

World Improvement

• Knowmore.org
• booksforschool
• 43things

Business Software

• 2ndSite
• NetWorthIQ
• ThinkFree
• CampaignMonitor

Command Line

• YubNub
• Ambedo

Humour

• Web 2.0 Validator

Jobs and Work

• Voices

Wiki

• wikidot
• Wetpaint
• jot
• pbwiki

Shopping

• crowdstorm
• threadless
• wists
• etsy

Search

• Google Desktop
• gravee

Trusted Search

• Rollyo.com
• swicki
• truveo

Real Estate

• zillow
• hotpads

Music

• Podbop
• Songbird
• Jamendo
• liveplasma
• webjay

Travel

• 43places
• couchsurfing
• dohop
• Jumpclaimer
• Kayak
• TripMates
• Travbuddy
• Tripmojo
• wayfaring
• Mobissimo

Events

• eventful