CodeVisionAVR
Integrated Development Environment for the 8-bit Microchip AVR, AVR8X, AVR DA, AVR DB, AVR DD, AVR EA and XMEGA Microcontrollers
Libraries
Besides the standard C libraries, the CodeVisionAVR compiler features a rich set of libraries designed to fulfil all the needs of the embedded systems programmer.
The CodeVisionAVR libraries are not GPL-ed, therefore you are not obliged to publish the source code of your commercial application or pay us royalties for their commercial usage.