Technorati provides search and notification services for active content on the Internet. Technorati monitors over 1.8 million sources (weblogs, RSS) with over 10,000 new sources added each day.
Telocity is a telecommunications services company providing Digital Subscriber Line (DSL) service that can be self-installed by end users.
Tickle (formerly Emode) is a member services company that fulfills the consumer's need for connection to friends and family with data-driven services centered on the individual. Attracting more than 3 million members strictly through word of mouth, Emode has quickly become a model for successful viral marketing. Tickle was acquired by Monster Worldwide in May of 2004.
Topica provides turn-key solutions for email newsletter publishers, from multinational media companies to individuals publishing news about a hobby or interest.

Trumba is creating a new type of calendar service -- the connected calendar -- that connects all the different aspects of our users' lives -- work, family, community and fun--into one easy-to-use and access calendar, and keeps people connected to others through the events they share.

Tumbleweed is a leading provider of advanced messaging solutions for business communications.

TZero is a fabless semiconductor company developing chips for ultra-wideband communications.