LeadGibbon allows you to discover new leads based on title, location, industry, and other firmographic data. You can export yout lists easily, or save them and share with your team. LeadGibbon is a great way to find decision-makers with purchasing power.
It's a no-frills tool, but we've heard it works very well! Use their extension to grab emails directly from Sales Navigator, and they will be deposited in a Google Sheet for you.
Norbert is an intelligent lead generation tool that can find anyone's corporate email address and enrich it with data that drives conversion.
It won't blow you away but the accuracy is pretty good, and it has a clean user interface. It's one of the few platforms that doesn't require a subscription - you just pay for however many emails it finds.