Sublist3r - Sublist3r is a python tool designed to enumerate subdomains of websites using OSINT.
Lampyre - Lampyre - an efficient data analysis and OSINT multi-tool for everyone.
sn0int - sn0int is a semi-automatic OSINT framework and package manager
theHarvester OSINT Tool - theHarvester is a very simple, yet effective tool designed to be used in the early
DataWalk - DataWalk is a software platform to connect numerous large data sets, both external and internal, into a single repository for fast visual analysis.
SIREN.io - Siren is an investigative intelligence platform.