You could try submitting to Beta List (http://betali.st/). It's also a good way ...

		adidahiya on March 13, 2013 \| parent \| context \| favorite \| on: Ask HN: How did you find your early adopters? You could try submitting to Beta List (http://betali.st/). It's also a good way to keep track of newly released smaller products / startups.