Risc-Y is a concise (<600 lines!) RISC V interpreter using the RV32IM standard with full memory emulation.
NESmerize is a NES emulator written in C++. Donkey Kong and Balloon Trip run perfectly, among lots of other games!
CodeQueue is a simple (human) queueing application written in Vue.js and Firebase. It’s useful for taking turns to speak in large discussions or lining up for tickets.
Chip-8 Emu is a CHIP-8 gaming interpreter with full audio and visual emulation.
HashPy is an instructional tool implementing the 10 most common cryptographic hash functions as a Python library.
Etherball is a simple lottery with a fixed jackpot built for the Ethereum blockchain. Buy a ticket and test your luck.