SalesOptimize - Selling to online retailers? Revolutionary sales lead generation search engine driven by deep web analytics
HubSpot - Grow Better With HubSpot: Software that's powerful, not overpowering. Seamlessly connect your data, teams, and customers on one CRM platform that grows with your business.
Rescan.io - Find the technology stack behind any website. Get the lists of websites using any technology.
MailChimp - MailChimp is the best way to design, send, and share email newsletters.
Elucify - A completely free software tool that uses crowdsourced data to find business email addresses
Marketo - Marketo's powerful marketing automation software helps marketers master the art & science of digital marketing to engage customers and prospects.