A good indicator: The number of companies represented at this year's TechDay NYC doubled from the year before.
We wanted to highlight some of the most interesting companies that are doing cool things to help boost Silicon Alley's reputation as a great place for tech. We picked the brains of several investors and people plugged into the New York City tech scene to put together this list of 31 startups.
We've ranked them in order of least-to-most funding.