Total Commander - A Shareware file manager for Windows® 95/98/ME/NT/2000/XP/Vista/7, and Windows® 3.1.
Hunter - Find all the email addresses related to a domain
Dolphin File Manager - Dolphin is a file manager for KDE focusing on usability.
Apollo.io - Apollo’s predictive prospecting, sales engagement, and actionable analytics help the teams to reach its full revenue potential.
Path Finder - The Finder, reinvented. Path Finder is an award-winning file browser and management application for Mac OS X.
Icypeas - This email finder has the capacity to bypass catch-alls