SalesOptimize - Selling to online retailers? Revolutionary sales lead generation search engine driven by deep web analytics
Pipedrive - Sales pipeline software that gets you organized. Helps you focus on the right deals, so easy to use that salespeople just love it. Great for small teams.
Rescan.io - Find the technology stack behind any website. Get the lists of websites using any technology.
Zoho CRM - Omnichannel CRM for Businesses of all sizes
Elucify - A completely free software tool that uses crowdsourced data to find business email addresses
Freshsales CRM - A full-fledged CRM for high-velocity sales teams.