Toggl - Toggl is an online time tracking tool. It features 1-click time tracking and helps you see where your time goes. Free and paid versions are available.
MINIBLOQ - miniBloq is an open source graphical programming environment for Multiplo™, Arduino™, physical computing devices and robots.
Harvest - Simple time tracking, fast online invoicing, and powerful reporting software. Simplify employee timesheets and billing. Get started for free.
Visuino - Visuino is a visual programming environment that lets you write programs from Arduino circuit boards.
RescueTime - Time management software that shows you how you spend your time & provides tools to help you be more productive.
ArduBlock - ArduBlock is a graphical programming language plugin specifically made for Arduino circuits and controllers.