Publicidad, Blogging, Busqueda en Blogs, Marcadores, Calendario, Chats, Comunidades, Email, Eventos Finansaz, Gobierno, “Internet” (valga de radundancia), mapas, bolsas de empleo, Manejadores de Medios, Medicos, Mensajeria, Musica, Noticias, Oficinas, Fotografias, Referencias, Recomendaciones, Buscadores, Compras, Almacenamiento, Video, Widgets y Wikis.

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Advertising

Google AdSense	Advertising management
Google AdWords	Search advertising
Microsoft adCenter	Online advertising services
UrlTrends	Link tracking and search optimization
Wordtracker	Search engine optimization services
Yahoo Ads	Online ad management
Yahoo Search Marketing	Search advertising platform
Answerbag	Questions and answers service
Blogwise	Blog and feed search service
SplogSpot	Database of spam blogs

Blog Search

Blogwise	Blog and feed search service
SplogSpot	Database of spam blogs
Tailrank	Blog search and news aggregation service
Technorati	Blog search services

Blogging

Akismet	Blog spam prevention service
Blogger	Blogging services
FeedBlitz	Blogs by email service
FeedBurner	Blog promotion tracking service
LiveJournal	Blogging software
Performancing	Blog management
TypePad	Blog management
Weblogs	Blog ping service
Windows Live Spaces	Blog services

Bookmarks

Blogmarks	Social bookmarking
del.icio.us	Social bookmarking
linkaGoGo	Social bookmarking service
Ma.gnolia	Social bookmarking service
OnlyWire	Social bookmarklet service
Shadows	Social bookmarking and community
Simpy	Social bookmarking

Calendar

30 Boxes	Calendar service
Google Calendar	Calendar service
Spongecell	Online calendar service

Chat

AOL Instant Messenger	Instant messaging chat service
AOL Presence	Online presence service
Google Talk	Chat application
IMified	Instant messenger buddy
Lingr	Online chatroom services
MSN Messenger	Chat and messaging
WebAIM	Web based instant messaging
Yahoo Messenger	Instant messaging

Community

Blue Dot	Content sharing community
coRank	Distributed user reviews service
Facebook	Social networking service
PartySpark	Social events service
RockYou Super Wall	Platform for content sharing within Facebook
Twitter	Community site

Email

Email Address Validator	Email address validation service
ExactTarget	Email delivery services
IntelliContact	Email marketing service
JangoMail	Bulk email service
Mailbuild	Email forms and templates service
Publicaster	Email marketing management
StrikeIron Email Verification	Email verification service
Vertical Response	Email management services
Webmail.us	Email hosting service
WhatCounts	Email management services
Yahoo Mail	Web based email system

Enterprise

Employease	On-demand human resource management
Google Provisioning	User provisioning for Google Apps
Lokad	Online time series forecaster
NetDocuments	Enterprise document management service
NetSuite	On-demand business application suite
Salesforce.com	CRM services
WebEx	Conferencing and collaboration services

Events

Eventfinder	New Zealand events calendar
Eventful	Events discovery and demand
Spraci	Events and clubs database
Upcoming.org	Collaborative event calendar
Zvents	Local events search and community

Financial

Blinksale	Online invoicing services
Currency Rates	Currency rates for 115 countries
Dun and Bradstreet Credit Check	Credit quick check web service
FreshBooks	Online invoicing and time tracking
KashFlow	Online accounting software
Moneytrackin	Expense tracking
NetAccounts	Online accounting service
Prosper	Peer-to-peer lending network
StrikeIron Historical Stock Quotes	Stock price quotes for US equities
StrikeIron Mutual Funds	Historical mutual funds price service
StrikeIron Stock Quotes Basic	Real-time stock quotes
Wesabe	Personal finance management and community

Government

Cicero	Lookup service for US elected officials by address
Civic Footprint	Political geography lookup for Illinois
Democracy In Action	Advocacy services for nonprofits
FedSpending.org	Database of US government spending
Follow The Money	Database of US campaign contributions
GovTracker	Rhode Island state data services
LOUIS	US federal documents database
Open Patent Services	European Patent Office web services
Sunlight Labs	US Congress database service
TheyWorkForYou	Track the UK Parliament
Who is my Representative	Database of US congressional representatives

Internet

Alexa Site Thumbnail	Thumbnail images of web site home pages
Alexa Top Sites	Web site traffic rankings
Amazon EC2	Elastic Compute Cloud virtual hosting
Clicky	Web site analytics
Compete	Internet web site metrics and analytics
Cordurl	Geo coordinate translation service
Dapper	Service for API creation
Domain Tools	Internet domain name lookup services
Durl.us	URL shortening service
Ecommstats	Web analytics
Hostip.info	IP lookup
HTML2PDF	HTML to PDF conversion service
Internet Archive	Non-profit Internet library
IP Address Lookup	Determine IP address from domain name
Mint	Web site metrics and reporting
Mon.itor.us	Web site monitoring services
MyNotify	Feed publication service
Nenest	Web forms and application framework
Outune	Web map engine service
Pingdom	Web site monitoring and reporting services
Qurl	URL redirection services
SoftLayer	Systems management and monitoring
UnAPI	Proposal for web clipboard
W3Counter	Web site metrics tools
Webride	Attaches discussions to any site
WebThumb	Thumbnail image generation service
Windows Live Custom Domains	Web site administration services
Yahoo Site Explorer	Web site analysis service

Job Search

Indeed	Job search services
SmashFly	Job board posting service

Mapping

ArcWeb	Mapping and GIS services
BigTribe	Location based advertising
deCarta	Location-based services
EarthTools	Web services for geographical information
FeedMap	Blog geo-coding
Garmin MotionBased	GPS services and mapping
geocoder	Geocoding services for US
geocoder.ca	Geocoding services for Canada
GeoIQ	Geospatial analysis and heat mapping service
GeoNames	Geographic name and postal code lookup
GetMapping	Aerial photography and mapping service
GlobeXplorer	Mapping services
Google Maps	Mapping services
HopStop	Mass transit and walking directions
iShareMaps On Demand	UK Postcode Geocoder
Map24 AJAX API	Mapping services
Mappr	Photo mapping
MapQuest	Online mapping service
Mapstraction	Mapping API abstraction layer
MetaCarta	Location and geotagging services
Microsoft MapPoint	Mapping services
Microsoft Virtual Earth	Mapping services
Multimap	Global online mapping service
NASA	Satellite mapping images
Naver Maps	Korean mapping service
Nearby.org.uk	Geocoding service for UK
Ontok	Geocode any US address
OpenLayers	Mapping API abstraction layer
OpenStreetMap	The Free Wiki World Map
Platial	Collaborative geographic service
Plazes	Location discovery service
Poly9 FreeEarth	3D mapping service
Pushpin	Mapping service
Urban Mapping	Urban geo-spatial data services
USGS Elevation Query Service	Determine elevation based on latitude and longitude
ViaMichelin	Mapping, directions, and travel booking services
Wayfaring	Map creation and sharing service
WHERE GPS	Mobile GPS widget platform
Where Is Tim Web Service	Location tracking
Where2GetIt Geospatial	Non-mapping geospatial services
Where2GetIt SlippyMap	Online mapping service
Whereis	Australian and New Zealand mapping service
Wigle	Wireless network mapping
Yahoo Geocoding	Geocoding services
Yahoo Map Image	Map image creation service
Yahoo Maps	Mapping services
ZeeMaps	Embedded maps and international geocoding
ZoomIn	Australian mapping service

Media Management

BBC	Multimedia archive database
Grouper Video	Video sharing service
Orb	Digital media remote access and management
Phanfare	Photo and video sharing service
Streamload	Online media storage

Medical

cPath	Medical database lookup
Kegg	Bioinformatics data services
NCBI Entrez	Life sciences search services
SeqHound	Bioinformatics research database

Messaging

411Sync	SMS, WAP, and email messaging
Aql	SMS solutions portal
Clickatell	SMS Messaging services
Jaiku	Social messaging service
Mobivity	SMS marketing messaging service
Movil	SMS messaging
PartySync	Messaging services
Sabifoo	IM to RSS conversion service
SmsBug	SMS messaging services
StrikeIron Global SMS Pro	SMS messaging services
StrikeIron Mobile Email	Mobile email messaging service
Textamerica	Moblogs
Trekmail	Messaging services
Twittervision	Location based data for the Twitter service
Userplane	Communication software for online communities
Vazu	SMS messaging service

Music

AOL Music Now	Music playlist management
Digital Podcast	Podcast search
Faces.com	Photo and media sharing service
Feedcache	Feed caching service
Freedb / CDDB	Online CD catalog service
Last.fm	Music playlist management
MP3Tunes	Music services
MusicBrainz	Music metadata community service
MusicDNS.org	Music fingerprinting service
MusicMobs	Social music service
OpenStrands	Music recommendation and discovery
Rhapsody	Online music services
SeeqPod	Music recommendation service
SNOCAP	Digital music marketplace
Soundtoys	Visual artists works repository
Tunelog	Music metadata management
WebJay	Music playlist management
Winamp	Customizable music player
Yahoo Music Engine	Desktop music player

News

AmphetaRate	News aggregator
ClearForest Semantic Web Services1	Natural language processing tools
Daylife	Online News Service
Digg	Community driven news links and ratings
Findory	Personalized news aggregation
Macromedia News Aggregator	Data access service
Moreover	News delivery
NewsCloud	Social news service
NewsIsFree	Online news aggregation

Office

Backpack	Online information manager
Big Contacts	Web based contact management
EditGrid	Online spreadsheet
Google Documents List	Document management services
Google Spreadsheets	Online spreadsheets
Numbler	Online spreadsheet service
SlideShare	Presentation sharing community
Zoho	Online office suite

Photos

AOL Pictures	Online photo management
Buzznet	Photo sharing
Flickr	Photo sharing service
Fotolia	Royalty free stock photos
Google Picasa	Photo management and sharing service
imageLoop	Animated slideshow service
Panoramio	photo upload site with organizer and geolocation
Pixagogo	Online photo services
Riya	Photo search
ShutterPoint	Stock photography service
Smugmug	Photo sharing service
Snipshot	Online photo editing service
WebShots	Photo sharing service
Yahoo Photos	Online photo service
Zoto	Photo sharing service

Recommendations

Criteo	Distributed recommendation service
EasyUtil	Recommendation service
RapLeaf	Portable ratings system
Yelp	Local user reviews and city guides

Reference

Aonaware Dictionary	Dictionary lookup service/td>
City and State by Zip Code	Address lookup service
Dun and Bradstreet	Research company background data
Bussines Verification	Business research services
FUTEF Wikipedia API	Third party Wikipedia web service
ISBNdb	Books database
Library of Congress SRW	Information database search
Microsoft MSDN	Technical reference library
OpenDOAR	Academic research repository
PhoneVal	Phone number validation service
RealEDA Reverse Phone Lookup	Lookup address and name via phone
SRC Demographics	Demographic reference data
StrikeIron Address Verfication	Global address verification service
StrikeIron Do Not Call	Telephone number verification serice
StrikeIron Insider Trading	Insider trading transaction information
StrikeIron Phone Number Enhancement	Adds address and statistical data based on phone number
StrikeIron Residential Lookup	Residential directory lookup and validation service
StrikeIron Reverse Phone Lookup	Reverse phone lookup services
StrikeIron Sales Tax Basic	Sales and use tax data service
StrikeIron Super Data Pack	APIs for variety of reference data sources
StrikeIron US Census	Census data information service
StrikeIron Zacks Company Profile	Corporate profiles web service
Talis	Library 2.0 reference services
UrbanDictionary	Slang dictionary lookup
US Yellow Pages	US yellow pages telephone directory
Yahoo Answers	Community driven reference service

Search

Alexa Web Information Service	Web site information and traffic data
Alexa Web Search	Web Search Engine
Amazon A9 OpenSearch	Search services
Gigablast	Search service
Google Ajax Search	Web search components
Google Code Search	Code search service
Google Desktop	Desktop search and gadgets
Google Search	Search services
Kratia	Democratic search engine
Naver	Korean search engine
Vast	Structured web search
Windows Live Search	Internet search
Wink	Social search service
Yahoo Image Search	Image search services
Yahoo Local Search	Local search service
Yahoo My Web Search	Personalized search services
Yahoo Related Suggestions	Search suggestion service
Yahoo Search	Search services
Yahoo Term Extraction	Contextual search service
AOL Open Auth	Authentication services

Shopping

Amazon eCommerce	Online retailer
Amazon Historical Pricing	Historical product sales data
Authorize.Net	Internet based payment gateway services
AvantLink	Affiliate marketing network
CNET	Shopping services
Commission Junction	Online affiliate programs
DataUnison eBay Research	eBay pricing and sales trend data
Direct Textbook	Book price comparison service
eBay	Online auction marketplace
GoodStorm	Online retail ecommerce
Google Base	Platform for structure and semi-structured data
Google Checkout	Shopping cart services
PriceRunner	Shopping comparision engine
Shopping.com	Online retail shopping
SwapThing	Community driven swapping site
UPC Database	UPC lookup service
Windows Live Expo	Online classifieds service
Yahoo Shopping	Shopping services
Zazzle	On-demand product creation service

Storage

Amazon S3	Online storage services
Box.net	Online file storage
MoveDigital	File delivery and management services
Omnidrive	Online storage services
Open Xdrive	Online data storage service
Openomy	Online file system
Tagalag	Email tagging
TagFinder	Tag extraction service
Tagthe.net	Tag recommendation service
TagTooga	Tag based Internet directory

Video

Truveo	Video search service
Blinkx	Video search service
Dave.TV	Video distribution network
LiveVideo	Video repository and user community
Revver	Video services
Veoh	Virtual television and video network
Video Detective	Film trailers, cast, images, and related information
Yahoo Video Search	Video search
YouTube	Video sharing and search

Widgets

ClearSpring	Widget creation, distribution, and tracking services
Google Gadgets
Netvibes	Personalized home page with widgets
Pageflakes	Personalized start page and widgets
Serence Klip	Desktop gadgets
SpringWidgets	Widget platform
TagWorld	Social web services
Windows Live Gadgets	Online gadgets service
Windows Sidebar Gadgets	Desktop gadgets
Yahoo Widgets	Desktop widgets
Yourminis	Personalized start page

WIKI

DBpedia	Structured query interface to Wikipedia
JotSpot	Wiki-style collaboration tools
PBwiki	Consumer wiki farm
WikiMatrix	Wiki search and comparison service

via techmagazine