Below is v 1.0 of a comprehensive linked list of New York City based internet startups, in no particular order.  This list was put together through the ultra high-tech process of me spending hours of my free time manually scouring the web.

Please send additions, corrections, comments, etc. directly to me at sean@startupalley.net or add to the comments section.

1. Trulia – a real estate search engine that helps you find homes for sale and provides real estate information at the local level to help you make better decisions in the process.
2. AnyClip – Search and view any moment from any movie, ever.
3. Foursquare – Location based social network.
4. Tumblr - a re-envisioning of tumblelogging, a subset of blogging that uses quick, mixed-media posts.
5. Etsy – allows users to buy and sell handmade items.
6. Outside.in - aggregator aimed at creating a place for neighborhoods to share and explore information.
7. Hunch – A consumer web application looking to help users make up their minds.
8. Tracked – organizes info on companies, industries and executives and enables easy sharing.
9. Huffington Post – A leading online news source
10. Path101 – Stealth startup building an online destination for career discovery
11. Meetup.com – is the world’s largest network of local groups organizing face-to-face meetups.
12. GetGlue (AdaptiveBlue) – A browser plugin that helps you automatically find books, music and movies through friends as you browse popular sites.
13. Boxee – a social media player platform integrating personal locally stored and online media from video to music.
14. 10gen – provides sponsorship, commercial support, and management tools for open source database MongoDB.
15. Gilt – private community providing its members access to coveted fashion at sample prices.
16. JetSetter – A spin-off from Gilt, JetSetter provides exclusive access to insider travel deals.
17. MusicNation – A site where you can watch videos of new and unsigned talent.
18. ShopWiki – A consumer shopping search engine promising comprehensive results for stores and products.
19. BusinessInsider – A business blog, produced by and for the New York digital business community.
20. BugLabs – A Logo-like hardware platform that tinkerers and engineers can use to create their own digital devices.
21. Clickable – An online solution that makes search advertising Simple, Instant and Profitable (TM).
22. Covestor – A portfolio-sharing service that enables individual investors to compete with pros.
23. Indeed - An online job search engine that grows by 1 million jobs per week.
24. 20×200 – An e-commerce site for art collectors that releases two limited-edition prints per week.
25. Knewton – An adaptive learning engine, customizing educational content to meet each students’ needs.
26. Wee Web – A social sharing utility for parents of newborns and small children from Meetup.com founders.
27. Zenbe – A free webmail service, aiming to deliver the best email experience on the web.
28. MarketFactory – developing a platform that focuses on the thorniest problems in trading; speed of light issues in message transmission, dynamically generated markets and rapid liquidity provision.
29. OrganizedWisdom – An expert-guided search service for health.
30. UrgentCareer -  Uses linguistic technology to match business professionals with compatible employment.
31. Mimeo – On-demand printing and distribution service.
32. Bit.ly – A URL shortener that shrinks long URLs and offers statistical tools to track link popularity.
33. ChallengePost - a marketplace for challenges where users can start, join and contribute to challenges to earn rewards.
34. GoodHealthAdvertising – Online health and medical advertising services company representing a collection of health and medical sources.
35. DomDex – in stealth mode since March 2009 developing online adverting services.
36. 33Across – named after the 33% of internet users at which its marketing is directed, promised to use social networking to make online adverting more effective.
37. PerformLine – offers an analytics and reporting platform for online advertisers.
38. SocialBomb – provides infrastructure for social, mobile and real time applications.
39. Drop.io -an online collaborate file sharing service.
40. StockTwits – a social stock microblogging service.
41. Oddcast - develops and distributes customized video and avatar-based marketing products.
42. HotPotato – connects friends and fans around live events.
43. BuddyMedia – provides brands, advertisers, and public relations agencies a scalable set of tools to manage social marketing efforts.
44. BlogTalkRadio – a site where anyone can setup a podcast or radio talk show on the web.
45. Pontiflex – a lead generation marketplace enabling advertisers to find consumers most likely to be interested in their products.
46. Rave Wireless - provides safety applications for mobile users.
47. SomeCards – free online greeting cards.
48. SalesConx - provides technology and services to support a network of business-to-business professionals.
49. Appssavvy -an outsourced sales team connecting social media applications with brand advertisers.
50. DesignBuggy – social bookmarking tools providing collaborate search for home design.
51. Comixology (Iconology) – brings Web 2.0 to the comic book market with dynamic weekly new release lists.
52. LinkStorm – next-generation hyperlinking system enhancing the performance of online advertising, e-commerce and online publishing.
53. mPoint – cloud computing for the professional video syndication market.
54. ORCA – a payments processing alternative for social networks and online games to accept payments, create loyalty programs, and send marketing messages.
55. Pond5 – open marketplace for stock video footage.
56. Viddler – online consumer video site.
57. CEInteractive – digital products and services simply the consumer electronics experience.
58. Hovr – ad-supported consumer based mobile content provider.
59. Payoneer – online payment distribution solution.
60. Buzzd – social city guide for mobile phones.
61. CollectiveMedia – technology solutions and advertising network for display advertising.
62. CrowdFusion – a hybrid publishing platform combining blogging, wikis, tagging and work flow management.
63. WorldwideBiggies – a digital entertainment studio.
64. DrChrono – provides scheduling, patient reminders and billing systems to doctor practices.
65. Soupfly – taps into government database to let you look up New York City restaurant inspector scores.
66. LarvaLabs – mobile entertainment applications.
67. Solvate -  a micro-staffing company that makes it easy to delegate work to professionals across the country.
68. AdMeld – online ad optimization technology maximizes revenue for publishers from ad networks and exchanges.
69. KlickableTV – enables video creators and distributors designate certain objects in their video as clickable so that viewers can interact with or find out mor about the element.
70. Neighborhoodr – uses (NYC based) Tumblr platform to enable anyone to find and share info about their neighborhood.
71. UrbanInterns – a site that enables users to find part-time assistants.
72. Maggwire – aggregates 10,000 magazine titles online attracting 200 million American readers.
73. SuperGlued – allows people to share and discuss live music experiences, bringing photos, videos, stories, setlists, etc in one place.
74. SetJam – there are more movies and TV shows available online than on cable and SetJam is aggregating them in one place for easy searching, viewing and sharing.
75. Postling – enables small businesses to post to all major social networking sites with one click.
76. Wireless Generation – creates innovate tools, systems, and services that help educators teach smarter.
77. Wimba – provides collaborative learning software solutions and services to K-12 and higher education markets as well as publishing services to academic publishers.
78. Tripology – an interactive travel referral service focused on connecting travelers with qualified and customerrated travel specialists.
79. The NewsMarket – an online video marketing and distribution platform that helps large organizations connectwith media, blogs, consumers and online communities.
80. Blip.tv – provides “services-of-scale” to independent Web show creators.
81. Mag.ma – is an entry point for online video that shows the most popular videos online at any time.
82. VocabSushi – a site for anyone looking to learn vocabulary and have fun doing it.
83. Gliider – a digital tool that lets travelers plan funner trips.
84. DesignerPages – an online community that helps designers search, save and share product information.
85. IvyExec – an online community with career resources for professionals coming out of top graduate programs.
86. Ganxy – protects premium content and customer interests with a single sign-on solution.
87. Aviary – is a collaborative creative suite for artists of all genres enabling them to create on the fly.
88. GiveReal – allows people to give each other gifts at nearly a million merchants across the country over the Internet, including bars, restaurants, bookstores, spas and clothing stores.
89. MyYearBook – enables users to meet new people through games and other applications.
90. LetMeGo – an online lodging marketplace based on the “reverse auction” model.
91. SocialGreat – a service built on top of Foursquare’s API to track popular places in cities based on people actually going to them and checking-in.
92. Unigo – uses current college students to generate reviews, photos, videos and other “insider-info” that helps high school students make better college decisions.
93. Upskill -offers vidoe tutorials to retrain workers in accounting and other skills.
94. ProperCloth – enables customers to design and purchase custom tailored dress shirts online.
95. ContextWeb – operates the ADSDAQ exchange for online display and test link advertising.
96. ExpoTV – a video-based social network for e-commerce.
97. MediaLets – a rich media advertising and analytics platform for mobile applications.
98. KGBWeb – creating a better way for users to discover and consume the best online content.
99. ZocDoc – enables patients to book doctor and dentist appointments online instantly.
100. PinchMedia – Mobile analytics products. Merged with Flurry in December 2009.
101. AppNexus – platform for buying real-time online advertising.
102. Altruik – search engine optimization technology innovator.
103. Roomoramo – an online marketplace for short term home rentals.
104. SeatGeek – forcasts the price of sports and concert tickets on the secondary market.
105. Yodle – a local advertising enabler giving businesses increased ability to reach their audience and measure their advertising efforts.
106. Touchco – touch screen technology. Bought by Amazon January 2010
107. Diapers.com – online specialist offering baby care necessities.
108. AmieStreet – allows artists to upload their music for promotion and sale.
109. Babble – is a magazine and parenting community site aimed at urban hipsters.
110. CarbonMade -  build and manage an online portfolio website to show off design, illustration, art, or any other types of creative work.
111. SquareSpace – powers tens of thousands of websites for businesses, bloggers, and professionals worldwide and currently serves hundreds of millions of hits per month.
112. LiveIntent - connects people with the right personalities on social media.
113. Howcast – a portal with professionally-shot instruction videos on a variety of subjects.
114. OrderGroove – Enables your customers to subscribe to their favorite purchases and control recurring orders directly from your site.
115. NewlyWish – NYC based wedding registry service connecting local merchants with metropolitan bride
116. WellcomeMat – a video platform to publish and distribute hyper-local video content with a specialty in real estate.
117. Pandora – online radio with personalized stations aproduced by grouping songs and artists that share many musical characteristics in common.
118. LinkedIn – fastest growing professional network site with over 45 million users acorss 150 industries around the world.
119. Adknowlege – an online marketplace that allows advertisers to bid for traffic in websites, email and smaller search engines.
120. Yelp – a local reviews website covering almost 40 states and the UK.
121. ekoVentures – a social marketplace and community for adventure, cultural, and sustainable travel.
122. SocialThing – synchronizes your personal information, content, and friendships so that you can post this information across the social web instead of any one single site.
123. Lotame – offers Crowd Control Technology™ offers social media sites the most advanced monetization techniques and allows brands to build and target customizable consumer audiences.
124. Movoxx – serves ads into mobile content that reaches over 25 million unique users every month.
125. ImageSpan – creator of LicenseStream licensing and royalty payment automation platform for al media types and businesses.
126. TheLadders – an online service catering exclusively to the $100k+ job market. Their job is to make the search for senior talent and senior positions quick and effective.
127. Curbed – the publisher of real estate (Curbed.com), restaurant (NY.Eater.com), and retail (NY.Racked.com) blogs.
128. GigaMaven – helps musicians and venues book gigs online.
129. Outalot (Seed Wireless) – a way to find out what’s happening around you.
130. Sense Networks – patent-pending machine-learning technology to index and rank real world places, based on movement data between these places at different times.
131. HealthGuru – covers health topics that matter to 18-40 year olds: sexual health, STDs, pregnancy, sports health, drugs & alcohol, and mental health, among others.
132. Gawker – blog network including Deadspin, Defamer, Fleshbot, Gawker, Gizmodo, Gridskipper, Idolator, Jalopnik, Jezebel, Kotaku, Lifehacker, Valleywag, Wonkette, io9.
133. BountyJobs - employers post descriptions of the type of employees they are looking for with the “bounties” they will pay if they fill them.
134. Fortent - provides comprehensive information and technology solutions to the risk and compliance market worldwide. Acquired by Actimize in September 2009 for $73.5M.
135. Fotolog - a social networking website based around photo sharing. Acquired by Hi Media in 2007 for $90M
136. GoCrossCampus - a social, interactive game popular on American campuses that pits dorms and colleges against each other.