A simulator of Xilinx PicoBlaze soft-processor, runnable in browsers.
PDP-OmniSim simulating parallel and distributed processing systems
Application for simulation of microprogrammed processor DOP
x86 Multi-Core Microprocessor and assembler simulator written in C++
AVR simulator IDE
PPface is vector processor emulator / simulator
Krypto-processor (KPU) on OpenRISC architecture
A didatic processor simulator
RCL, a simulator for Texas Instrument calculators from the 70's.
A simple MIPS processor for Chipmunk DigLog circuit simulator
a very fast full system simulator
A DLX/MIPS processor simulator
ParallelSim is a parallel processor simulator written in java.
DASiT (DLX-Altivec Simulator Tool)