37Signals
Creators of Ruby on Rails, Basecamp, Highrise Campfire, Backpack, Writeboard, and Ta-da List
Feedburner
RSS Feed syndication and distribution. (bought by Google)
Appolicious
iPhone app directory, purchased by Yahoo!
Sprout Social
Social media monitoring service
TotalAttorneys.com
Back office automation service for lawyers
CrowdSpring
Connects people from around the world with creative talent, and connects creatives from across the globe to new customers
Everyblock
Filters an assortment of local news by location
Newser
Very visual news aggregation website
Future Simple
Simple and powerful online software to grow business
Mediafly
Rich media distribution network
uBid
Auction site similar to eBay
DexKnows
Online version of white pages
Legacy.com
Online obituaries
FastWeb.com
The original and largest national scholarship search site
HighBeam.com
Research website
Surepayroll
Online alternative to payroll systems
ShareASale
Large affiliate marketing network
Cappex.com
Where colleges fight for you…
Gritwire
Online portal/feed aggregator
iExplore.com
Internet travel guide site based on tours
Menuism
Restaurant reviews
Parkwhiz
Find a parking spot when you need to
TravelClick
If you have booked a hotel online, you used their software to do it
And many more, including:
Audiosnacks, CouponTweet, CohesiveFT, Dawdle, GiveForward, Humanized, Inadco, Inkling, JobCoin, Lifesnapz, Naymz, PeopleFilter, Perkspot, Prepme, Songza, Tappity, Text2Store, Tgethr, Where I’ve Been, insuranceagents.com
