Dux Soup - Dux-Soup is a lead generation tool for LinkedIn.
ProspectIn - ProspectIn is a Chrome extension to automate your LinkedIn
Lead Connect - Send Automate LinkedIn connection request and scheduled followups with mail merge place holders.
Phantombuster - A marketplace of simple to use no-code APIs
Growthlead.io - Growth Lead is a B2B social selling tool for Linkedin that helps you scale your outreach.
LIX it - Export search results and profile details from LinkedIn directly to Excel or CSV files without needing to install any software. LIX - the easy LinkedIn search exporter.