Microchip Studio – AVR microcontroller integrated development environment

Microchip Studio (formerly called Atmel Studio) is a free integrated development environment (IDE)/integrated development platform (IDP) for creating and debugging the Atmel SMART ARM and Atmel AVR microcontroller (MCU), developed by Microchip Technology. It provides a modern and powerful environment along with debugging and on-chip programming tools for AVR and ARM development.