Total Commander - A Shareware file manager for Windows® 95/98/ME/NT/2000/XP/Vista/7, and Windows® 3.1.
Meetup - Helps groups of people with shared interests plan events and facilitates off line group meetings in various localities around the world.
Path Finder - The Finder, reinvented. Path Finder is an award-winning file browser and management application for Mac OS X.
Event Hunt - Startups and Tech Events Curated By Locals
Dolphin File Manager - Dolphin is a file manager for KDE focusing on usability.
Eventbrite - Discover Great Events or Create Your Own & Sell Tickets