BizHawk is a multi-system emulator written in C#
Cemu is a Wii U emulator
cycle exact emulator
Portable ZX-Spectrum emulator based on UnrealSpeccy 0.37.3 by SMT
A portable library and tools for archiving images of Atari 8-bit tapes
A simple and fast frontend for the QEMU Emulator - Freeware.
Multi-System Emulator
Slows down any given Windows process (written in C#)
Apple II GS emulator based on Kent Dickey's KEGS
Highly portable Gameboy Color emulator
Portable Pokémon Mini Emulator
Scriptable frontend for media applications.
Entex Adventure Vision emulator with debugging capabilities.
Oric-1/Atmos/Telestrat/Pravetz 8D Emulator