Many projects: accelerometer, 5-digit frequency counter, temperature controller, chatboard conversion, precise Direct Digital Synthesis sinewave generator, uC/OS-II RTOS port, digital guitar tuner, MP3 players, add very large DRAM on small CPUs.
Suite of executable software development tools for Atmel AVR RISC processors, hosted on the Windows platform, has GNU GCC compiler for C/C++. Open source.
Makes CodeVisionAVR C compiler, integrated development environment (IDE), automatic program generator, ChipBlasterAVR in-system programmer, code wizard, for Atmel AVR processors. [commercial]
Many projects using microcontrollers (AVR, ATMega8, ATmega163, ATtiny12, ATtiny2313, AT90S1200A, AT90S2313, AT90S8515/ATMEGA8515), analog, RF, and all 3 mixed; much free information.