CircuitLab (YC W13) has 70K monthly users for its browser-based electronics design and simulation tool - Y Combinator Posthaven

CircuitLab is coming up on its one year anniversary, and the startup (now part of Y Combinator's winter 2013 cohort) now boasts 70,000 monthly active users, who run an average of one circuit simulation every six seconds.

crawled from : Ycombinator