Better Notes - Simple notes app that ties notes together with #hashtags
WPMU DEV - WPMU offers WordPress Plugins, WordPress Themes, WordPress Multisite and BuddyPress Plugins and Themes.
Whimsical - The visual workspace for teams.
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).
Great F*cking Startup Advice - Strongly worded suggestions for startup founders
Firefox Developer Edition - Built for those who build the Web. The only browser made for developers.