Assuming your startup idea is SaaS/web app... Search on: * /r/startups and /r/entrepreneur on reddit * betalist.com * startuplist.com * techcrunch * thene

Assuming your startup idea is SaaS/web app... Search on: * /r/startups and /r/entrepreneur on reddit * betalist.com * startuplist.com * techcrunch * thenextweb * venturebeat I'm working on solving this problem. If you're interested, sign up to stay updated: rivalseek.com