RT-Thread is an open source IoT Real-Time Operating System (RTOS).

Unicorn CPU emulator framework (ARM, AArch64, M68K, Mips, Sparc, PowerPC, RiscV, S390x, TriCore, X86)

Capstone disassembly/disassembler framework for ARM, ARM64 (ARMv8), Alpha, BPF, Ethereum VM, HPPA, LoongArch, M68K, M680X, Mips, MOS65XX, PPC, RISC-V(rv32G/rv64G), SH, Sparc, SystemZ, TMS320C64X, TriCore, Webassembly, XCore and X86.

Simple C compiler

U-Boot 1.1.4 modification for routers

A tool to help you write binary exploits

A 32-bit MIPS / RISC-V core & SoC, 1.55 DMIPS/MHz, 2.96 CM/Mhz

Detect CPU features with single-file

c语言编译器，用 lex 和 yacc 工具完成词法分析与语法分析并生成语法树，C++实现了语 法树的解析并生成中间代码，生成中间代码的过程中实现了错误检测。C++实 现了中间代码的优化操作。之后利用 python 对中间代码进行处理并生成 mips 汇编码并且可以成功在 PCSpim（mips 模拟器）上运行。

MIPS-to-everything dynamic recompiler for PSX emulators

Decompilation of Sly Cooper and the Thievius Raccoonus for PS2

SIMD macro assembler unified for ARM, MIPS, PPC and x86

Very small, safe, lightning fast, yet portable preemptive RTOS with SMP support

PHP Encoder, protect PHP scripts in PHP 8 and PHP 7, High Performance, Compitable with X86_64, MIPS, ARM platform and Ubuntu/Centos/OpenWRT system.

Toddler is a well-designed usable and portable microkernel OS

N64 library

ElectroPaint Automatic No-source Object reaSsembler (a MIPS to C decompiler)

Interpreter experiment. Testing dispatch methods: Switching, Direct/Indirect Threaded Code, Tail-Calls and Inlining

YARI is a high performance open source FPGA soft-core RISC implementation, binary compatible with MIPS I. The distribution package includes a complete SoC, simulator, GDB stub, scripts, and various examples.

Shell On MOS [MIPS(R3000) Operating System]