Modkit Micro is a graphical programming environment for microcontrollers that supports a growing number of popular microcontroller platforms including Arduino and Wiring boards. It makes it easy for almost anyone (perhaps especially those with no programming background) to get started using microcontrollers, just by dragging and dropping blocks on their screen to write the firmware.
That part is already pretty neat, but what's really great about Modkit is that it isn't trying to be a substitute for "real" programming in source code. When you're ready to go deeper, Modkit allows you to go "under the hood" to directly view and edit the code that it generated for you. If you'd like early access to try out Modkit, we'd encourage you to support their project— they're opening up the next round of access to supporters this month.