Linkurious - Search and visualize your graph data through a simple web-based interface
AnyMailFinder.com - Find anyone's email address
Gephi - Gephi is an open-source software for visualizing and analyzing large networks graphs.
Hunter - Find all the email addresses related to a domain
Lampyre - Lampyre - an efficient data analysis and OSINT multi-tool for everyone.
monocles search - monocles search is a web search engine, powered by Searx.