EmailSearch.io is a simple tool that allows users to search for email addresses based on domain, LinkedIn profile, or company.
They have have a CSV upload and API solution for bulk email searches. Upload your document and have it enriched with contact data in no time!
Skrapp is a SaaS Chrome Extension for B2B prospecting on professional social networks.
Their export feature is great and the simple UI makes it very easy for beginners who are focused on gleaning bulk data from LinkedIn.