CosyOS是一款来自中国的开源实时操作系统，从经典的8051内核，到流行的Arm Cortex-M内核，均可实现全局不关总中断、零中断延迟，适用于对系统实时性及中断响应速度有较高要求的场合。QQ交流群：303421780.
8086tiny is a completely free (MIT License) open source PC XT-compatible emulator/virtual machine written in C.
Tiny FEL tools for allwinner SOC.
OpenOCD provides on-chip programming and debugging support with a
layered architecture of JTAG interface and TAP support
KePOS source code of self-made operating system
AtomOS-Kernel是AtomOS的内核组件，基于upstream Linux kernel，并进行了大量场景化功能特性和性能优化，为应用程序提供高性能，且更加稳定和安全可靠的运行环境。
Limine is a modern, advanced x86/x86_64 BIOS/UEFI multiprotocol bootloader, used as the reference implementation for the Limine boot protocol.
超轻量级实时操作系统，适合在8051为内核的MCU上运行，专门为小型家电及简易物联网终端设计。
qemu is a generic and open source machine emulator and virtualizer.
