ABOUT 2.0 - Update

I've added more than 350 new domains in this update, but I recently skipped a little over 100 dead links. In this ABOUT 2.0-section you'll find a selection of other Web 2.0 indices and secundary articles on Web 2.0:

20culture - Article on Web 2.0 design trends
20websites - Categorized lists of Web 2.0 phenomena
3spots - Lists many Web 2.0 apps & websites
AI3 - Articles & lists re semantic softwares
Ajaxian** - Ajax blog
Allthingsweb2 - Extensive list of Web 2.0 companies, based on my first listings
Altsearch - Categorized list of Web 2.0 companies that are also in THIS list
Bestofbest - Categorized best of best 2.0 websites
Bettingmarket - Article on P2P betting
Bioteams* - Blog on team dynamics & virtual collaboration
Blinklistsocial - Lists of 2.0 websites
Bozpage - Web 2.0 sources
Bubble20snarkgroup - Everything against Web 2.0
Businesssoftware - Article on running a business on Web 2.0-based software
Buzzshout* - Review & rank Web 2.0 companies
Connectingthedots - 2.0 blog
Datamining - Reporting on new things with a focus on movies, NLP, blogosphere data & visualizing them
Dead20 - Anti-reviews of Web 2.0 phenomena
Dexly (olim Categoriz) - Categorized list of Web 2.0 companies (heavily depending on Everything 2.0)
Diglog - Diggs Chinese Web 2.0 pages
Downloadsquad - Reviews Web 2.0 companies
Drweb - Collection of Web 2.0 navigation menus
Dumpr - Fun things for Flickr
Eboyweb20poster - Web 2.0 cityscape illustration
Econsultant - 2.0 list
Everything2.0 - Comprehensive list of Web 2.0 companies and websites
Eyebeam*** - Bleeding edge R&D
Flagrantdisregardslideshow - Slideshow of Web 2.0 pages
Forummatrix - Compare forum software
Gabinetedeinformatica - Reviews Web 2.0 sites (Spanish)
Gapminder** - Visualise Google search statistics
Genbeta* - 2.0 blog (Spanish)
Go2web20 - Web 2.0 logo wall
Greatflickrtools - Extensive list of Flickr apps & mash-ups
Itredux* - Concise categorized database of Office 2.0 companies
Iwantto - What do you want to do or make online?
Jobsearch2.0 - List of job boards 2.0
Killerstartups - Digg start-ups
Klabol - Web 2.0 list
Koolweb2.0 - Find & rank 2.0 websites
Koreacrunch - Reviews Korean 2.0 companies
Learning20 - Online speed course on 2.0
Listofweb20 - List of lists with Web 2.0 websites
Mapstars~ - Refers to map mash-up tools & experiments (many Dutch)
Marco - How not to launch a Web 2.0 site
Mashable - 2.0 blog
Mashupfeed - RSS alerts for mash-ups
Matriceservices - Web 2.0 annotated logo cloud
Mobile20 - Wiki about mobile 2.0 initiatives
Mobileinternetmanifesto - Vision on Mobile 2.0
Momb - 2.0 list
Monkeybites - 2.0 blog
Movers20Top100s of daily/weekly/monthly Web 2.0 movers (based on Alexa)
Movingweb* - Blog about everything that moves (on) the web
Mustseeblog - Comparison of Video 2.0 pages
Ñblog - 2.0 blog
Nederkaart~ - Refers to map mash-ups (many Dutch)
Office-20database - Detailed spreadsheet with online Office-like apps
Pagecharts - Compare Alexa scores of up to 5 websites
Peerplink - Digg Web 2.0 websites (password protected)
Personalinfocloud - Blog about ubiquitous content
Profy - Blog on Web 2.0 companies
Programmableweb** - Web 2.0 reference website, main source on APIs and mash-ups
Publishing2** - Web 2.0 from a publishing & marketing point of view
Readwriteweb - Further analysis of Godin's Web 2.0 watching list on http://www.statsaholic.com/sethgodin
Readwriteweb - Reviews Web 2.0 things
Roxomatic - Social bookmarking review
Saulweiner - Meta Web 2.0 list
Searchinnovations - Categorisation of search technologies & presentations
Semanticthoughts - Get all 2.0 lists in OPML
Shamblesweb2 - Categorized 2.0 list
Solutionwatch - Reviews & lists of school & study tools
Solutionwatch* - Reviews of 2.0 websites
Soundblog - Reviews & lists of sound apps (& other cool stuff)
Stabilo-boss - Web 2.0 annotated logo cloud
Statsaholic (Godin's 2.0 List) - Olim: Alexaholic - Ranking of 937 Web 2.0 companies (based on earliest published version of my list)Merged Vocabulary into Office
Sxdguide - Whitepaper on social media, practices & Content
Sys-con - Multimedia magazine
Techcrunch - 2.0 blog
Techcrunch - Comparison of mapping services
Theglump - 2.0 blog (French)
Top10webdeveloperlibraries - Annotated top 10 of developer libraries
Top25Finance20 - List of FINANCE 2.0 apps & services (peculiar similarities with my list...)
Treemaptechniques - Comprehensive article
Virtualkarma - Web 2.0 list
Virtualworldsreview - Lists & reviews virtual worlds
Vitamin - Resource for designers, developers & entrepreneurs
Voice20manifest - The end of telecom as we know it, the dawn of its total convergence with the web (cf. follow-up article: http://saunderslog.com/2006/09/30/voice-20-a-year-later/)
Web20definition - Summary of updated Web 2.0 definition
Web20foreducators - Web 2.0 list
Web20inbelgium - Index of Belgian Web 2.0 initiatives
Web20intheenterprise - List of enterprise solutions
Web20principles - Recap of updated 'official' O'Reilly definition of Web 2.0
Web20show - Podcasts about Web 2.0 companies
Web20strategy - Does every organization need one? Great article by Dion Hinchcliffe
Web2journal - Web 2.0 magazine
Web2list - Digg 2.0 websites
Web2logo - Web 2.0 logos
Web2null - 2.0 blog (German)
Web2reddit - List; vote on Web 2.0 companies
Web2slides - Slow slideshow of (old version of) THIS list
Webby20 - Thumb 2.0 list
Webmashup - Index of and discussions on mash-ups
Webosphere - 2.0 blog
Websnext - Slideshow of Web 2.0 sites
Webware - Reviews of web apps
Whatsweb20 - Shortest list of Web 2.0 companies
Widgetoko - Aggregates social widgets
Wikimatrix - Compare wikis
Wsfinder - Search APIs and web services
Wwwhatsnew - 2.0 blog

Italic = new. Update 070127, 070305, 070517 (corrected 070527).