Circuito.io - Instant code and wiring for your project
MINIBLOQ - miniBloq is an open source graphical programming environment for Multiplo™, Arduino™, physical computing devices and robots.
Arduino IDE - Arduino is an open-source electronics prototyping platform based on flexible, easy-to-use hardware...
Modkit - Modkit is an open-source programming platform that allows programmers with a variety of backgrounds to share their creations and learn from each other and is allowing programmers to make beautiful software.
embedXcode - embedXcode is a template for Xcode.
ArduBlock - ArduBlock is a graphical programming language plugin specifically made for Arduino circuits and controllers.