Visuino - Visuino is a visual programming environment that lets you write programs from Arduino circuit boards.

Smallpdf - PDF document management and conversion suite

Visual Micro - Arduino IDE for Visual Studio and Atmel Studio

iLovePDF - Free online PDF tool set

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.

Adobe Acrobat DC - Make your job easier with Adobe Acrobat DC, the trusted PDF creator. Use Acrobat to convert, edit and sign PDF files at your desk or on the go.