Web 2.0 alphabetical: from Cafépress to Ezpublish

Italic = new to this index.

CCC
C4-world - Fight poverty by participating - Community
Cafépress - Design, sell, buy - Ecommerce
Cafespot - Social guide to cafes, restaurants, etc - Marketing
Cakephp - Rapid development framework for PHP - Software
Calc5 - Online calculator - Office
Calcoolate - Online calculator - Office
Calcr - Online calculator - Office
Calendarhub - Create & share calendars - Office
Calgoo - Online & offline calendar - Office
Callthefuture - Place future phone calls - Communicate
Callwave - Voicemail2text (USA) - Communicate
Cambrianhouse** - Collaborate on new software - Community
Camino - Mozilla power & Mac style browser - Browse
Campaignmonitor - Email marketing tool - Marketing
Campfire - Permalinked chat - Communicate
Camraoke - Submit, rate & share karaoke videos - Video
Camtwist - Add sfx to your video chats (Mac) - Communicate
Canvaspainter - Painter - Images
Capazoo* - Create, publish & share your content - Community
Capitoolvertical - Search VCs & entrepreneurs - Finance
Captioner - Add comic-style captions to your images - Images
Carbonite - Back up your PC - Store
Carbonmade - Publish & manage your portfolio online - Ecommerce
Care - Board for babysitting, nannies, child care, tutoring, pet care & senior care - Employment
Care2 - Digg sustainable things - Rate
Careerbuilder - Find jobs yourself or get recommendations - Employment
Cartfly** - Create & exploit a store & embed it anywhere - ecommerce
Cashboard - Track your expenses - Finance
Caspio - Create dbase apps without programming - Data
Caspioe - Organize & manage your data - Data
Castingwords - Podcast2text transcription service - Audio
Castpost - Upload & share multimedia - Multimedia
Catchthebest - Manage job applications - Employment
Catoms* - Replicate anything and anybody, any size, anywhere - Personal manufacturing
Catster - Digg cats - Rate
Causerie - Mobile instant messenger - Communicate
Cchits - Social bookmarking - Bookmark
Ccube - Call anonymously with other community members - Communicate
Ceiva - Host & share photos - Images
Celebpops - Submit & rate celebrity news - Rate
Celebralike - Participate in & vote on celebrity lookalike contests - Images
Celebsafari - Submit your photos of celebrities - Images
Cellcast - Record audio or video with your cell phone & share it with friends - Communicate
Cellitused** - Sell your cell - Ecommerce
Celljournalist - Sell your scoops live - News
Cellsea - Photo editor - Images
Cellswapper - Swap out or in a mobile phone contract - Economy
Celltell - Send voice notes from your phone - Communicate
Celumimagine - Media management tool - Software
Centericq - Instant messenger (client) - Communicate
Centraldesktop - Collaboration tools - Productivity
Cerado - Networking platform for organizations - Community
Certifyr - Certify 2.0-ishness of your website - Fun
Chacha* - Get real time results with help of live guides - Search
Chainreading - List, review & recommend books - List
Chalksite - Bring your classroom online - E-learning
Changedetection - Create RSS from websites - RSS
Changenotes - Create RSS from websites - RSS
Changethis - Share & rate thoughtful, rational, constructive manifestos about important issues - Publish
Changetolink - Create, bookmark & share pages - Bookmark
Changingthepresent - Invite friends to donate to your good causes - Economy
Chartu - Rate music - Audio
Chatcreator* - Create your chat room instantly - Communicate
Chatfu - Cartoonize your chat - Communicate
Chatsum* - Chat with & leave messages same-site-visitors - Communicate
Cherrypy - Object-oriented HTTP framework written in Python - Software
Chicagocrime - Crime dbase map mash-up - Geo
Chickadvisor* - Get & share advise on chicks in your city - Community
Chinswing - Voice message board - Communicate
Chinwagjobs - Post jobs, look for vacancies, get alerts - Employment
Chipin - Connect, collect & give money - Economy
Chitika - Make some money on accepting ads on your blog or website - Marketing
Christonium - Publish & share any content in any way - Publish
Chumby - Always-on wi-fi device to fetch & exchange media & to communicate - Wi-fi
Chuquet* - Find buzzes - Bookmark
Cicatriz* - Video-empowered ecommerce - Ecommerce
Cingo - Keep your family together online - Community
Cingularmusicid - Have music recognized thru your cell - Audio
Circleup - Ask questions, get consolidated group's answer - Knowledge
Citebite - Get a URL to a textbite - Publish
Citeulike - Store, share, manage academic papers - Publish
Citizenbay - Get yourself on the map & meet new friends - Community
Citizendium - Wiki with gentle expert moderation - Productivity
Citycita - Find likeminded people & meet them - Community
Citycribs - Real estate marketplace - Ecommerce
Cityfeeds - Find what's happening in a city now - Search
Citypixel - Claim your space in 3D cities - Marketing
Citytherapy - Share places, events & people - Community
Civilnetizen - File swapping - Office
Cl1pnet - Copy & paste between computers - Software
Claimid - Manage your online identity - Identity
Claimtheearth - Massive mash-up geo game - Game
Classcaster - Interact with students thru podcasts & blogs - E-learning
Classiccat - Free classical mp3 directory - Audio
Clearblogs - Publish your blog - Publish
Clearcheckbook - Track your expenses - Finance
Clearforestsws - Semantictextanalysis2XML - Data
Clearspace - Enterprise collaboration solution - Software
Clearspring - Cross-platform widget development app - Software
Clevercopy - Content management system - Software
Cleversafe - Software for dispersed data storage - Store
Clicdev - Customizable startpage - Startpage
Click2map - Create, manage, publish & share maps - Geo
Click2zap - Remove parts of web page before print out - Software
Clickbank - Make some money on accepting ads on your blog or website - Marketing
Clickbeurs~ - Create your avatar & apply for a job through a chat with your future employer - Employment
Clickcaster - Record, license, publish & promote your radio show - Audio
Clickforlessons - Matching service for instructors & students - Employment
Clickfriends - Upload & share photos - Images
Clicksor - Make some money on accepting text link advertising - Marketing
Clicktale - Analyse blog traffic - Data
Clicktoscan - Scan, store & share documents with your phone camera - Images
Clicktv - Edit & comment on videos while you watch - Video
Clicmobile - Mobile social software - Software
Climber - Profile based job board - Employment
Clipclip - Make & share notes - Office
Clipfire - Shop search engine & community - Ecommerce
Clipmarks - Social clipping - Bookmark
Clipnabber - Helps you to download videos anywhere - Video
Cliproller - Search video & get recommendations - Search
Clipshack - Upload, explore, rate & share videos - Video
Clipsync - Watch videos together & chat - Communicate
Clipsyndicate - Publish video news on your blog - Publish
Clixgalore - Make some money on accepting ads on your blog or website - Marketing
Clockingit - Project management for SME - Productivity
Closo - Start & advertise your online shop - Ecommerce
Cloudalicious - Follow site's tags over time - Tag
Cloudee - Aggregates news per term - Search
Cluckoo - Publish & share local news - News
Cluebacca - Storing & organizing text clips - Publish
Clustrmaps - Map your blog visitors - Geo
Clusty - Cluster results in folders - Search
Cmsmadesimple - Content management system - Software
Coastr - List & share your beers and beer places - Marketing
Cocomment - Track back your commentosphere - Publish
Coda** - One page web development - Software
Codase - Search for & share code - Software
Codefetch - Searches source code from programming books - Software
Codeigniter - Web app framework for PHP - Software
Cofax - Content management system - Software
Cogenz - Intra-company social bookmarking - Software
Coghead - Create & share web-based business apps - Software
Cogmap - Create, edit & share org charts - Productivity
Cogteeth - Create T-shirt with personal coded message - Ecommerce
Coinlogic - Make money on your content - VAS
Colib - Tag, share & sort your media - Multimedia
Collaboradate - Meta dating website - Date
Collaborativerank - Search & rank - Search
Collarity - Customize your search & find people with similar search interests - Search
Collectfavorites - Social bookmarking - Bookmark
Collectik - Upload, manage, mix & share podcasts - Audio
Collectiveintellect - Collect, filter, analyze & trade on financial data - Finance
Collectivex - Communicate, share files & schedules, group-wise - Community
Colligo - Collaboration tools - Productivity
Colorblender - Colour picker & matcher - Design
Colorcell - Find beautiful colour combinations - Design
Colormixers - Create color schemes - Design
Colorschemer - Explore colour schemes - Design
Colorsharewonders - Color scheme generator - Design
Colourlovers - View, are & review colour schemes & trends - Design
Colr* - Play with colour photos & publish results - Images
Colrpickr - Search Flickr photos based on their color - Search
Columbiaredhot - Submit & rate music, DJs - Rate
Comagz - Co-create & rate content - Community
Comapping - Mindmap tool - Productivity
Combots - Communicate & share emoti(c)ons 1 to 1 - Communicate
Comeeko - Create & share photo strips - Publish
Comicvine - Wiki for comic book lovers - Publish
Commentful - Alert service for unbundled content - News
Commissionjunction - Make some money on accepting ads on your blog or website - Marketing
Commongate - Create your own social network - Community
Commontimes - Social bookmarking & clippings - Bookmark
Communicationtube - Meta instant messenger - Communicate
Communitywalk - Share places & routes (map mash-up) - Community
Companymeetcreative - Job board for creatives - Employment
Compete - Get info on sites' traffic, offers and trustworthiness - Search
Competitious - Track & get alerts on your competition - Survey
Complore - Collaborate on research - Knowledge
Comvu - Broadcast video live from your cell - Video
Conceptshare - Collaborate on design - Productivity
Confabb - Search for or publish conferences and their speakers & content - Publish
Confirmeo - Check if your emails are read - Office
Confluence - Enterprise wiki - Publish
Congoo - Search and preview premium content for free - Search
Connectbeam - Intranet community solution - Software
Connectedy - Social bookmarking - Bookmark
Connectingthedots - 2.0 blog - About
Connectmeanywhere - Mobile & landlines over IP - Communicate
Connectviabooks - List, review & discuss books - List
Connotea - Social bookmarking (for researchers) - Bookmark
Conservativematch - Only for rednecks - Date
Considerati - Job board for techies (Europe) - Employment
Constantcontact - Webmail solution - Communicate
Consumating - Tag based dating - Community
Contactify - Create & publish contact form (without revealing your email address) - Software
Contactnetworks - Enterprise relationship management solutions - Software
Contactoffice* - Virtual office (Belgian) - Office
Contactsclinic - Keep your Outlook contact data updated (Client) - Office
Contakme - Upload & share photos - Images
Contentnow - Content management system - Software
Contentvote - Add voting to your blog content - Survey
Contractpal - Manage your contracts - Software
Conversate - Create your own chat - Communicate
Conversivechat - Chat solution - Communicate
Converticon - Convert PNGs or ICOs - Images
Convinceme - Choose from 3 debating features - Communicate
Cooliris - Search within search (client) - Search
Coolworks - Job board for summer and seasonal jobs - Employment
Cooperationcommons - Knowledge base re cooperation & collective action - Knowledge
Cooqy - Find things faster on Ebay (client) - Ecommerce
Copernic - Search app - Search
Copperproject - Manage & collaborate in projects - Productivity
Copyscape - Find out who takes over/plagiarizes or steals your content - VAS
Copythispresentationtricklikeanybodyelsedid - His name is Dick - Identity
Corank - Dig & explore digs from people that matter to you - Rate
Cordance - Dataweb technologies - Software
Coreap - Social bookmarking - Bookmark
Corkd - Catalog, rate & review wine - Community
Coroflot - Job board for for creatives - Employment
Correlate - Profile aggregator - Identity
Corveum - CRM solution - CRM
Cosmopod - Your personal desktop - OS
Cottonrape* - Shopping game - Ecommerce
Couchsurfing* - Home swapping & holiday dating - Economy
Coulltv - View videos & add interactive elements to it - Video
Covenanteyes - Anti-porn filter for… you - Software
Coventi - Collaborate on documents - Productivity
Coverpop - Mash-ups of everything - Ecommerce
Cozi - Organize your family - Productivity
Cozmotv - Create & organize video channels - Video
Cps - Content management system (enterprise) - Software
Crackfeed - RSS reader (Windows) - RSS
Crackle* - Publish & share your video - Video
Craftster - Share crafting ideas - Community
Craigslist* - Post & read classifieds - Ecommerce
Craigslistjobs - Classfied job ads - Employment
Craigsnumber - Get a temporary, anonymous phone number - Communicate
Cramster - Q&A - Knowledge
Crankk - Submit & vote for cycling news - News
Cranky - Search & rate in this age relevant senior search engine - Search
Crashplan - Backup service - Store
Crazoo - Make money on starting new threads and posting in forums - Economy
Crazyegg - Watch users' click paths as a movie - Data
Creamaid - Spread the word thru your blog & get paid - Marketing
Creataplace - Design, build & host simple website - Software
Create-ringtone - Create & send ringtones, wallpapers, videos etc. to your mobile phone - Software
Create-ringtone - Create & send ringtones, wallpapers, videos etc. to your mobile phone - Software
Creatingonline - Design & image editing toolbox - Software
Creativecommons - Manage your digital rights - VAS
Creativemanager - CRM solution - CRM
Creativeprooffice - Organize & manage projects - Productivity
Creative-weblogging - Make money on blogging - Economy
Crickee - Send & receive sms for free - Communicate
Crispads - Make some money on accepting ads on your blog or website - Marketing
Crispynews - Build your own Digg for free - Software
Crisscross - Comment on & add to news - News
Criteo - Review, compare & share films - Video
Criticker - Rate films and get recommendations - Community
Crossloop - Share your screen - Software
Crowdabout* - Get or contribute to timelined comments on podcasts - Audio
Crowdiq - Social delphi; set up your own exchange for futures - Game
Crowdrules - Upload your media, ask questions & get unbiased results - Multimedia
Crowdspirit - Electronics design community (stealth) - Personal manufacturing
Crowdstorm - Add & research products & share opinions - Ecommerce
Crowdsurfer - Publish & share reviews on books, movies & music - Publish
Cruisinaltitude - Submit & rate aviation news - Rate
Crunchboard - Job board for Techchrunch readership - Employment
Cruxy - Sell, promote, buy your content - Multimedia
Cspace - Platform for P2P communications - Software
CSSbeauty - Submit & share well designed websites - Design
Cucumis - Translate or be translated - Economy
Culturecloud* - Research, discuss & share topics, associating randomly with facts and people - Survey
Curbly - Share design & get advise on it - Community
Curious-contraptions - Digg this forum - Rate
Currenttv - Create & upload, watch & vote - Video
Curriki - Publish & share curricula on this wiki - E-learning
Curse - MMOG portal & community - Game
Customerforce - Search & share everything - Community
Customervision - Enterprise wiki - Publish
Customreader - White label RSS reader - Marketing
Cuts - Create, edit, upload & share videos - Video
Cvent - Organize & manage events - Productivity
Cvwarehouse - Job board - Employment
Cyberdummy - Share code - Software
Cyclr - Manage financial obligations - Finance
Cylive - Publish, keep & share all your digital stuff here - Publish
Cynin - Manage, organize, store, search, collaborate, discuss, share & publish any kind of data - Productivity
Cyworld - Record, share & give - Community

DDD
Dabble - Share, manage & explore your information - Community
Dada - Make money on referring friends and driving traffic - Economy
Daddaily - Community for dads - Community
Daem* - Take pics with your phone cam, have them recognized & win prizes - Marketing
Dailylit - Subscribe to books delivered by email, in chunks you define - VAS
Dailymashup - Flickr + Delicious + Yahoo news mash-up - News
Dailymotion - Upload & share videos - Video
Dailyrotation - Share tech websites' headlines - News
Dailyrss - Digg RSS news - Rate
Dailystrength* - Share health challenges & get wellness support - Community
Daisy - Meet & share with fellow site visitors - Communicate
Danbooru - Upload, tag & share images - Images
Dandelife - Describe & share your life - Community
Dapper** - API generator - Software
Darejunkies* - Video challenge contest - Video
Darkeye - Submit, review, rate & share websites - Bookmark
Darmik - Sell & share profits with charities - Ecommerce
Dash - Fast command interface for windows - software
Dash* - Internet-connected navigation system - Geo
Data360 - Find, present & share data - Data
Datamashups - Create mash-ups & apps - Data
Datamining - Reporting on new things with a focus on movies, NLP, blogosphere data & visualizing them - About
Datapreserve - Backup service - Store
Dawanda - Social market place for people producing or buying handicraft (private beta) - Ecommerce
Dayjet - Manage & book your point-to-point air travel - Ecommerce
Daylife* - "4 minute old" news magazine; you can contribute tips & ideas - News
Daylo - Contribute to local yellow pages - Economy
Daypop - Search news - Search
Daytipper - Make money on writing tips - Economy
Daz*~ - Explore, contribute to & share the biggest music dbase - Audio
Dbprism - Content management system - Software
Ddig - Submit & rate special interest articles for developers - Rate
Ddir - Get listed as or book a designer - List
Dead20 - Anti-reviews of Web 2.0 phenomena - About
Deadjournal - Live Journal for pissed off people - Publish
Dealbundle - Rate & share deals - Ecommerce
Dealcomet - Explore, submit & share best deals, offers & coupons - Ecommerce
Dealcritic - Digg offers - Ecommerce
Dealdb - Submit & rate coupons & other promotions - Rate
Dealigg - Submit & rate deals - Rate
Dealmine - Personalize your best deals - Ecommerce
Dealplumber - Find deals & coupons - Ecommerce
Dealsplus - Share hot deals - Ecommerce
Dealspy - Submit & rate deals - Rate
Dealtagger - Find & share good deals - Ecommerce
Decilogratis - Publish and share (lists of) words - Office
Decipho - Clustered search - Search
Deepquerymanager - Search, share & manage info from the deep web - Search
Deepquote - Create links to quotes - Bookmark
Defendmyname - Outsource your personal search engine optimization - Identity
Delexa - Test effectiveness of your website - Data
Delicious* - Social bookmarking - Bookmark
Deligio~ - Discover, manage & share your downloads - Software
Delineate - Ranks top websites with Delicious tags & Alexa data - Data
Delirious - Social bookmarking - Bookmark
Delivr - Upload & share post cards - Images
Democracy - Internet tv platform (client) - Video
Demofuse - Create & share website tours - Publish
Demotd - Submit & rate unknown artists - Rate
Designaddict - Explore & contribute to design directory - Productivity
Designquote - Job search for designers & programmers - Employment
Desktopize - Widgetize your website - Publish
Desktopondemand - Customizable startpage - Startpage
Desktoptwo* - Manage your desktop in a browser - OS
Desnackbar~ - Find the one you want to have a snack with - Date
Deusto - Create & share digital books - Publish
Devbump - Submit & rate special interest articles for game developers - Rate
Developerid - Community for web industry - Community
Deviantart - Publish or buy from art portfolios - Community
Devshop - Software project management software - Productivity
Devshots - Create a Google-like logo - Fun
Dexly (olim Categoriz) - Categorized list of Web 2.0 companies (heavily depending on Everything 2.0) - About
Diarised - Manage your time - Office
Diaryland - Publish & share a web diary (a.k.a. Pitas) - Startpage
Dictionary - Write & share anything - Office
Diffbot - Get alerts on websites' changes - Software
Difm - Radio community - Audio
Digalist - Submit & rate lists - Rate
Digforit - Meta search - Search
Digg* - Mash-up news sources to your own taste - News
Diggdex - Submit & rate Digg-clones - Rate
Diggfiltr - Create custom digg feeds - Rate
Digg-gay - Submit & rate special interest articles for gays - Rate
Digglicious - Mash-up of Digg & Delicious - Bookmark
Diggstack - See diggers fall on active stories - Rate
Diggswarm - See diggers swarm around active stories - Rate
Diggtrends - Digg deeper - Rate
Digitalbycicle - Media distribution solutions - Software
Digitaldreamdoor - Music genre Top lists & trivia - Audio
Digitaljournal - Identify, rank & share interesting news - News
Digitalmagics - Stream your mobile videos over IPTV - Video
Digitalmediasearch - Search media - Search
Digitalpodcast - Search podcasts - Search
Diglog - Diggs Chinese Web 2.0 pages - About
Digstock - Digg stock - Finance
Diigo - Social bookmarking on steroids - Bookmark
Dijjer - Swap your files - Software
Dimdim - Create, edit & share your presentations - Office
Dimewise - Manage your finances - Finance
Dine52 - Social bookmarking - Bookmark
Directbaggage - Luggage delivery service - VAS
Disclosetv - Publish & share conspiracy video stories - Video
Disclosetv - Publish & share conspiracy video stories - Video
Discogs - User-built music database - Audio
Discrevolt - Upload your music & sell printed cards with download redemption codes - Ecommerce
Dishmaker - Designs & produces dishes - Personal manufacturing
Dissectmedicine - Digg articles on medicine - Rate
Ditto - Search images - Search
Diversetrade - European alternative to (higher rates of) Ebay - Ecommerce
Divicast - Add images & text to your podcasts, publish & share - Publish
Divshare - Store & share - Store
Divvycast - Create & share music podcasts - Publish
DIYmap - Create maps in Flash - Geo
Dizzay - Q&A (instant answers through chat) - Knowledge
Django - Python framework for rapid development - Software
Dliveo - Send & track email, any size - Office
Dltv - Video podcasts for tech geeks - Video
Dnaancestryproject - Trace & share your ancestry - Community
Dnastylelab - Design, wear & share your own products - Ecommerce
Dnsstuff* - Get a full technical report on your server status - Software
Docly - Publish, share or sell your documents - Publish
Docstoc - Manage your documents - Software
Docusign - Manage your documents - Software
Dodgeball - Hook in with your mobile & meet friends - Community
Dogear - Social bookmarking - Bookmark
Doggdot (formerly: Diggdot) - Contribute to news magazine and get paid for it - News
Dogster - Digg dogs - Rate
Dojo - Build dynamic features using JavaScript - Software
Dollpalace - Create a doll & share it - Community
Domainsbot - Domain search & suggestions - Search
Domaintools* - Excellent toolset for everything related to domains - Software
Domystuff - Get assistants to bid on your chores & errands, or assist others - Economy
Donorschoose - Donate to schools - Economy
Dontclickit*** - Clickless interface - Design
Dontdatehimgirl - Women community - Community
Dontstayin - Clubber community (UK) - Community
Doodle - Create & publish polls - Survey
Doostang - Community for professionals - Community
Dopetracks - Record, upload & share your tracks and beats - Audio
Dosize - Resize & send your photos - Images
Dotherightthing* - Dig or diss companies - Rate
Dotnetkicks - Digg .net stories - Rate
Dotproject - Open source project management tools - Productivity
Dotsub - Help to subtitle films - Economy
Dottunes - Share your iTunes - Audio
Douban - Catalog, rate, review & share books & music - Multimedia
Doubledate - Pair up with friends - Date
Doubletrust - Google + Yahoo mash-up - Search
Dovetail - High quality video sharing for pros - Video
Downelink - Gay community - Community
Downloadsquad - Reviews Web 2.0 companies - About
Downthisvideo - Search & download videos - Search
Dphoto - Upload & share photos - Images
Dpolls - Create, vote for & search polls - Survey
Dragonflycms - Content management system - Software
Drama20show - News & opinions on Web 20 start-ups - About
Dreamcrowd - Publish & share dreams, and get them explained - Publish
Dreamcrowd - Publish & share dreams, and get them explained - Publish
Dream-recorder - Record YOU while you sleep - Software
Dreamteam - Organize & manage projects - Productivity
Dreamzone* - Create or improve & vote for images - Images
Driveway - Store & send - Store
Dropboks - Store your files - Store
Dropcash - Create & manage online fundraiser - Marketing
Dropsend - Email & store large files - Communicate
Dropshots - Upload & share photos & video - Images
Drupal - Online CMS - Publish
Drweb - Collection of Web 2.0 navigation menus - About
Dsimobile - Start an mvno network - Ecommerce
Dudecheckthisout - Store & share bookmarks, lists with friends - Community
Duggtrends - Meta Digg - Rate
Dumbfind - Search words + tags - Search
Dumpert~ - Explore, upload, share & rate photo, video & audio files - Multimedia
Dumpr - Fun things for Flickr - About
Dumpt - Manage your photos - Images
Dun&Bradstreet - API for D&B credit check - Finance
Duno - Q&A - Knowledge
Dutchpipe~ - Create multi-user environments - Software
Dutydog - Have handymen bid on your home services - Ecommerce
Dutydog - Have handymen bid on your home services - Ecommerce
Dvdidle - Work around DVD region codes & css - Software
Dzone - Digg for developers - Rate
Dzonesnippets - Upload, explore & share code - Software

EEE
E107 - Content management system - Software
E2dolist - Create, manage & share to-do lists - Productivity
Earfeeder - Scan your disk for music, and automatically get feeds on your favourite artists - Audio
Earkive - Explore podcasts on your phone (cell & landline) - Audio
Earthcaller - Call any land number for free - Communicate
Easybib - Bibliography composer - List
Easymessenger - Meta instant messenger with RSS - Communicate
Easyutil - Api for recommendations - Software
Eatmyhamster - Digg for videos, pics & jokes - Rate
Eazyportal - Content management system for communities - Software
Ebase - Web-based community CRM - CRM
Ebay* - Sell, rate & buy; auction - Ecommerce
Ebaywiki - Wiki on things you can buy & sell - Ecommerce
Ebeebo - Matchmaking for jobs & freelance assignments (UK) - Employment
Ebiwrite - Process & share word documents - Office
Eboyweb20poster - Web 2.0 cityscape illustration - About
Ebuddy - Integrates several messengers (formerly E-messenger) - Communicate
Echosign - E-signature automation solution - Software
Echosign - Contract management solution - VAS
E-church - Find, write & share spiritual blogs - Publish
Ecityxista - Buy internet real estate to increase traffic - Marketing
Economie - Interact for a sustainable future - Community
Econsultant - 2.0 list - About
E-days - Organize & manage groups - Productivity
Edgeio - Find classified listings, publish your own - Marketing
Editgrid - Collaborate on spreadsheets - Office
Editme - Host & create websites - Publish
Edoc* - Fashion ecommerce goes alternate reality game - Ecommerce
Edtags - Submit & rate special interest articles on education - Rate
Edublogs - Blog hosting for teachers (Wordpress) - Publish
Education - Q&A - Knowledge
Eefoof - Publish & share media - Multimedia
Efax - Web2fax - Communicate
Effectivebrand - Create your own community toolbar - Software
Eformcreator~ - Form editor - Office
Egnyte - Upload, store & share all your media & docs - Store
Egosurf - Search yourself, get ranking - Search
Egress - Mobile RSS reader - RSS
Eharmony - Dating for not so young people - Date
Ehusbook - Turn Word into Publisher - Office
Ejamming - Write, record or play music together - Audio
E-junkie - Solve & outsource all online sales - Software
Ejury - Make a few bucks per verdict rendered as a mock juror - Economy
Ekklesia360 - CMS for churches - Publish
Ekoss - Semantic search for engineers - Search
Ekudos~ - Digg Dutch news - Rate
Ekudoz - Give & receive kudoz - Community
Elance - Job board for for creatives - Employment
Elephantdrive - Backup service - Store
Elevatorpitch - Upload, read & rate pitches - Economy
Elfurl - Make long url's short - Software
Elfyourself - Xmas greeting featuring You - Publish
Elgg - Open source e-learning software - E-learning
Elisteningpost - Upload & sell your music (for indies) - Audio
Elkhuistekoop~ - Rate & pick your restaurants - Ecommerce
Eloops - Project management solutions - Productivity
Eluta - Search new jobs (Canadian) - Employment
Elxis - Content management system - Software
Emesene - Instant messenger - Communicate
E-messenger~ - Integrates several messengers (relaunched as Ebuddy) - Communicate
Emokoo - Aggregate all your media from other sites here - Publish
Emongoo - Tools & marketplace to sell your property - Ecommerce
Emotionalfootprints~ - Publish & geo-phlog your history - Images
Emoze - Mobile email and PIM data - Office
Empressr - Create, share & store presentations - Office
Emurse* - Create, share & send your permanent resume page in any format - Employment
Emusic - Music download store - Audio
Enablr - Transcribe podcasts, Text2Snailmail… - Audio
Engage - Matchmake for your friends - Date
Engrade - Helps teachers, students parents to connect - E-learning
Enormicom - Branding 2.0 - Fun
Enroll - Submit & rate any news (categorised) - Rate
Ensiting - Share links with friends - Bookmark
Entellium - CRM solution - CRM
Entriq - Make money on your content - VAS
Entropia*** - 3D entertainment & trading community - Game
Eol** - Wiki with a decent interface (EOL = encyclopedia of life) - Publish
Eons - Babyboomers' community - Community
Eonsex - Porn search - Porn
Epassportphoto - Upload, manipulate, download your pass photo - Images
Epictrip - Multimedia travel wiki - Publish
Epointment~ - Schedule meetings online - Office
Eponym - Create & host your blog - Publish
Eqo - Call, text & IM your buddies on your mobile - Communicate
Eroshare - Upload, explore, rate & share photos - Community
Eroshare - Upload, explore, rate & share photos - Community
ES3** - Social military training game - Game
Eskobo - Personal portal - Startpage
Esnips - Store & share audio, video, clippings - Store
ESPgame - Label images in a game - Economy
Esy - Content management system - Software
Etapestry - CRM solution - CRM
Etelos - Try & buy on demand Web 2.0 apps - Software
Ether - Set up your call centre, make money - Economy
Etomite - Manage your website from anywhere - Software
E-tranet - CRM - CRM
Etribes - Publish your blog - Publish
Etsy - Buy & sell handmade things - Ecommerce
Eunifydb - Organize & manage your data - Data
Eurogoalnews - Submit & rate & tag football news - Rate
Eurotopmodel~ - Rate photo models (map mash-up) - Geo
Evenamonkey - Publish, share & discuss ideas - Publish
Eventful - Create & share events - Office
Eventicus - Create & share events - Office
Eventsniper - Mix your event calendar with feeds - Office
Eventstack - Publish, promote & manage events - Office
Eventwax - Organize, publish & manage events - Software
Evernote - Create, organize & find notes (client) - Office
Everybit - Share your media - Multimedia
Everystockphoto - Upload, search, rate & sell photos - Images
Everything20 - Comprehensive list of Web 2.0 companies and websites - About
Everythingweb20search - Web 2.0 search - Search
Everyzing - Digital media merchandising platform (olim Podzinger) - Multimedia
Evideoshare - Create, publish, share & interact - Video
Evnt - Publish & share RL events - Community
Evoca - Create, manage, share & search voice recordings - Communicate
Evoice - Voicemail2web - Communicate
Evoketv - Localized epg (ajax) - Video
Evolvepoint - Create, track or find feeds - RSS
Ewedrive - Store & share - Store
Exalead** - Unified search technology - Search
Examprofessor - Create, publish & share exams - E-learning
Exaroom - Connect to & share files with family & friends - Community
Excio - Geotag your blog & share it - Geo
Exclaimable - Create or grab all media & share them - Publish
Exodus - Instant messenger (Jabber client) - Communicate
Expensestracker - Track your expenses - Finance
Expensr - Track your expenses - Finance
Experienceproject - Share your experience & meet people who understand you - Community
Experticity - Solutions for live agents, on-screen and on-demand - Software
Explode - Aggregate your digital personae & friends - Identity
Exponent - Content management system - Software
Expotv - Videocast reviews & opinions - Video
Expressdigital - Create a shop & sell your photos - Images
Expressionengine - Web publishing system - Publish
Extate - Property search engine (UK & SA) - Search
Extispiciousimages - Delicioustags2Yahooimages - Images
Extispicioustext - Delicious users' tag clouds - Tag
Extortr - Upload scandalous materials, then blackmail - Fun
Extratasty - Publish & share drink recipes - Publish
Eyebeam*** - Bleeding edge R&D - About
Eyejot - Communicate through video messaging - Communicate
Eyeos - Virtual office operating system - OS
Eyesearch - Search results presented in mini thumbs - Search
Eyespot - Create, edit, upload & share videos - Video
Ez2find - Meta search - Search
Ezpublish - Content management system - Software

Update 070527, 070831.