Linked Helper - Linked Helper is a workflow automation tool for LinkedIn Sales Navigator and LinkedIn Recruiter.
ProspectIn - ProspectIn is a Chrome extension to automate your LinkedIn
Skylead - Use the full potential of LinkedIn.
Phantombuster - A marketplace of simple to use no-code APIs
Prospect.io - Prospecting, like a boss. Find any email, reach out, measure everything and integrate with your CRM.
Lead Connect - Send Automate LinkedIn connection request and scheduled followups with mail merge place holders.