Attendify - Develop relationships at the events that you attend by creating smaller events with just a few people.
WPMU DEV - WPMU offers WordPress Plugins, WordPress Themes, WordPress Multisite and BuddyPress Plugins and Themes.
Eventbrite - Discover Great Events or Create Your Own & Sell Tickets
Firefox Developer Edition - Built for those who build the Web. The only browser made for developers.
Prekindle - Prekindle is a simple yet powerful event management, ticketing, and marketing platform that helps businesses to sell tickets to the event online and spread the word.
MAMP - MAMP is the abbreviation for Macintosh, Apache, MySQL, and PHP. It is a reliable application with its four components that allows you to access the local PHP server as well as the database server (SQL).