DataWalk - DataWalk is a software platform to connect numerous large data sets, both external and internal, into a single repository for fast visual analysis.

Atomic Email Hunter - Atomic Email Hunter is an incredibly robust tool that specializes in extracting email addresses, along with usernames, from various webpages.

Lampyre - Lampyre - an efficient data analysis and OSINT multi-tool for everyone.

Cute Web Email Extractor - It is fast, secure and trusted web email extractor, email scraper, email grabber, and email spider for extracting email addresses from search engines, websites, local files.

Maltego - Maltego is an open source intelligence and forensics application.

Web Contact Scraper - Web Contact Scraper is a fully automated software application for gathering targeted business contact information. You can search and gather thousands of business details matching a chosen profession within any location worldwide!