LeadsBlue is described as 'Provides verified B2B & B2C email lists, targeted industry databases, and ready-to-use contact data to help you launch high-ROI outreach and marketing campaigns instantly' and is a Email Marketing service in the business & commerce category. There are more than 10 alternatives to LeadsBlue, not only websites but also apps for a variety of platforms, including SaaS, Chrome OS, Windows and Google Chrome apps. The best LeadsBlue alternative is ElevateSells. It's not free, so if you're looking for a free alternative, you could try CrunchBase or Apollo.io. Other great sites and apps similar to LeadsBlue are Instantly.ai, Bookyourdata, ZoomInfo and Leadiro.