Lusha is a continuously updating database that provides B2B Salespeople with targeted, accurate, and timely business information. Lusha aggregates its data from multiple sources, cross-checking and updating LIVE to ensure up-to-the-minute data accuracy and database cleanliness.
Hunter - Find all the email addresses related to a domain
Plot Digitizer - All-in-One Tool to Extract Data from Graphs, Plots & Images
Apollo.io - Apollo’s predictive prospecting, sales engagement, and actionable analytics help the teams to reach its full revenue potential.
Engauge Digitizer - This open source, digitizing software converts an image file showing a graph or map, into numbers.
ZoomInfo - ZoomInfo is a B2B database providing detailed business information on people and companies.
DataThief III - DataThief III is a program to extract (reverse engineer) data points from a graph.