Evernote - Bring your life's work together in one digital workspace. Evernote is the place to collect inspirational ideas, write meaningful words, and move your important projects forward.
Visuino - Visuino is a visual programming environment that lets you write programs from Arduino circuit boards.
Tabbles - Tabbles use tags to organize and find files along with your colleagues.
Visual Micro - Arduino IDE for Visual Studio and Atmel Studio
allTags - allTags is a free, tag based file management application.
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.