Simple Universal Protocol is a project that tries to create an instrument that will help you connect MCU with the PC by UART. This release contain NET Framework DLL that can be included to your embedded application. Now, it's more easy, to use a protocol for embedded applications with minimal code writing.
You need about 10-15 strings of your code to start your project.
Also it have sample of connecting ATMEGA8 with PC by USART.
All sources included.
Documents: ENG.pdf; RUS.pdf