8088asm app
8088 Assembler

A retro developer tool for writing and assembling Intel 8088 machine code in your browser

42 engagement score•1393 min total time
file-scratch app
Oric Atmos Emulator

A retro computing emulator for running authentic 1984 Oric Atmos programs with full 6502 CPU and AY-3-8910 sound chip simulation

41.3 engagement score•545 min total time
9/15/2026
cdg-demystified app
CDG Demystified

An interactive tutorial and simulator for understanding how CDG karaoke file players work

41 engagement score•3708 min total time
unpkg95 app
unpkg95 Desktop

A retro Windows 95 desktop environment showcasing zero-install web development with unpkg.ai CDN packages

40.1 engagement score•2403 min total time
geiger app
Radiation Tracker

A science simulation app for exploring radiation detection and safety levels

39.8 engagement score•32 min total time
z80-modular app
Z80 Assembler IDE

A developer tool for writing and assembling Z80 machine code with real-time hex output and instruction reference

39.4 engagement score•3584 min total time
6/13/2026
skywatcher app
Sky Sentinel

A citizen science app for tracking and mapping atmospheric phenomena and weather patterns

39.2 engagement score•258 min total time
windows-product-key app
XP Activation Museum

A nostalgic educational app exploring how Windows XP product key validation math worked

38.1 engagement score•384 min total time
7/26/2026
showcase app
Berrry Showcase

An interactive demo app exploring Berrry Computer's magical ability to transform social media ideas into web applications

37.9 engagement score•5215 min total time
handcalc app
HandCalc

A handwriting calculator that solves equations as you write them with your stylus

37.5 engagement score•2285 min total time
ngsl-word-garden app
NGSL Word Garden

An education app for learning 2,809 high-frequency English words with definitions, examples, and progress tracking

37.3 engagement score•256 min total time
bbc-micro app
BBC Micro Emulator

A cycle-accurate emulator of the classic 1981 Acorn BBC Micro Model B running entirely in your browser

36.5 engagement score•489 min total time
9/15/2026
speechstudio app
Speech Analysis Studio

An analytics app for transcribing audio files and visualizing speech patterns, pronunciation, and deviation from linguistic norms

36.3 engagement score•4758 min total time
2/17/2026
catscan app
Purr-fect Scanner

A playful medical simulation for exploring cat anatomy through interactive CT scans

36.1 engagement score•4075 min total time