There are 2 repositories under 8080 topic.
Online 8085 simulator
Awesome Lists of retrocomputing resources (6502, Apple 2, Atari, ...)
Single header Z80 emulator for C++ (C++11 or later)
SB-Assembler Version 3 - Cross Macro Assembler
Whitesmiths C compiler. One of the earliest commercial C compilers available.
Emulators for 8080/8085, 8086/8088, Z80, 6502 and TMS1000-family CPUs
Intel i8080 Space Invaders Arcade Emulator
:space_invader: Space Invaders emulator written in Lua :moon: and LĂ–VE :blue_heart:
Arduino runs a virtual 8080 CPU with Tiny BASIC
Intel 8080 Emulator on 4004 Evaluation Board
Collection of eight-bit processor emulators (for various projects)
A Multi-System emulator in Scratch 3.
An Intel 8080 CPU emulator written in Go that's meant to run the original Space Invaders ROM
Simple 8080 emulator written in Python