JS81 is a lightweight, high-performance emulator for the Sinclair ZX81 home computer, written entirely in modern HTML5 and JavaScript. It provides an authentic experience with a polished, retro-styled user interface, accurate timing, and advanced tape management.

Status	Released
Category	Tool
Platforms	HTML5
Author	lcunha85
Tags	8-Bit, Retro
AI Disclosure	AI Assisted, Code