Unlike UpLead or LinkedIn Sales Navigator, Salesfully does not directly integrate with any CRM software, meaning that users have to first export to a CRM and then import the file into the software. Salesfully also lacks the ability to make connections between leads to recommend additional prospects that may be a good fit based on your current customer base, like Sales Navigator.
As a last resort, you could try cold calling by phone. This is probably the most depressing and soul destroying activity on the planet. Even if you get past the usual questions such as ‘If you’re selling something – I’m not interested’ and ‘How did you get my number?’ you need a really slick and professional script and the ability to recognize and avoid lonely old ladies who just want to interact with someone, anyone, in fact.