We were using VerticalResponse for a while in the beginning, but we stopped using it because we needed more integration with our software system. I liked VerticalResponse, and it worked well, we just needed something different.
Co-founder - LiveBinders
1%Stacklist Startups Are Using VerticalResponse
VerticalResponse provides a full suite of self-service marketing solutions for small businesses and non-profit organizations.
Visit the website: http://www.verticalresponse.com/