8051 Websites
keil.com
Keil makes C compilers, macro assemblers, real-time kernels, debuggers, simulators, integrated environments, evaluation boards, and emulators for the ARM, XC16x/C16x/ST10, 251,...
29,218 
$ 459,360.00
engineersgarage.com
EngineersGarage- 8051, AVR, 8051 projects, 8051 microcontroller projects, AVR projects, AVR tutorial, AVR microcontroller projects, electronics projects, free electronic...
41,632 $ 322,560.00
freertos.org
RTOS - FreeRTOS is a truly free professional grade RTOS for microcontrollers that supports 35 MCU architectures and become a market leader. A Portable, open source, mini Real...
91,257 $ 146,880.00
electronicwings.com
ElectronicWings is an open-source designers and developers community focused on embedded systems, IoT, image processing, robotics, machine learning and more
106,093 $ 104,400.00