A proxy site with some quick tools. Daily traffic is around 10k pageviews. Monthly revenue is around $500.
Users get notified as soon as a company files to go public. They can subscribe to specific private companies or all IPO updates.
The email contains all of the numbers related to the IPO, as well as related news articles.
Generates lists of businesses from APIs --- Google Places, Yelp, Yahoo and the Yellow Pages, all wrapped up in a slick user interface to quickly generate business lists. Landing page includes a live demo, and a reseller calculator.