Visual Micro for Arduino

Visual Micro for Arduino screenshots

Arduino is the most comprehensive and easy to use build environment
Setup Window
Visual Micro for Arduino 1.0 : Setup Window

Alternative downloads

PROGRAMINO IDE for Arduino
1.6.0.1
Professional development environment.
Code Rocket for Visual Studio
2.10
It integrates the pseudocode and flowchart editors into your Visual Studio IDE.
uM-FPU V3 IDE
1.3.32768
FREE
The uM-FPU V3 IDE provides a set of tools for developing applications.