SDCC – Small Device C Compiler

The SDCC (Small Device C Compiler) is a free and open-source C compiler that can be used to compile C programs for various microcontrollers and other small devices. It supports over 50 different target architectures and is known for its ability to optimize code size and speed. SDCC is a great option for developers who need to create code for small devices, such as Arduino boards, Commodore 64, and other embedded systems. According to the project's website, SDCC can be used to compile code for a wide range of platforms, including those with limited resources.