Cho Yin Yong

Self-hosted email server for SaaS teams on Cloudflare Workers

Open-source Stripe Sigma alternative

Programming on the Web at the University of Toronto Scarborough

An MCP server that automates screen recording for amazing demo videos

Web Based PDF Template Generator built for Flying Saucer

Real-time Q&A Application with Websockets inspired by Kahoot

Boilerplate for building REST APIs in Flask

Taiko no Tatsujin inspired game built with Verilog

Nintendo Switch inspired two player sword (phone) wielding game

A simple blog stack to demonstrate Google's Site Reliability Engineering principles.

URL Shortener powered by Cloudflare Workers and KV

Engineering Large Software Systems at University of Toronto Scarborough

. <- this is a full stop, not a period

Factorizing Semiprimes (Proof of concept to decrypt RSA keys)

Gain control of your Minecraft server's chat.

Bitcoin based motivation Android app - Winner of TD Sponsor Prize at Hack The North 2017

Kafka on Docker for development

Determine how much a web server can handle using Locust

Teaching Assistant Supplementary Notes

A simple REST-server around ctakes clinical pipeline.

All Algorithms implemented in Python

Browser Puzzle Game - Think out of the browser

A visualizer for the Javascript Event Loop

FOSSASIA GCI Site 2015/16

Chess Tic Tac Toe

Trino Docker Compose setup

The most powerful screen recorder & annotation tool for Chrome 🎥

CSCC01 Guest Lecture: Practical Applications of LLMs - Winter 2026

Hi I'm Cho Yin

HCC Algorithm that works with FHIR and 837

Extracts and analyzes your University of Toronto eMarks data

Apache Superset is a Data Visualization and Data Exploration Platform

Baking FHIR from raw clay

Personal website

Personal Website with Gatsby (2022)

Resume created using React because I can

PickEasy's Menu Service source code (shut down)

Edit, preview and share mermaid charts/diagrams. New implementation of the live editor.

Build and ship applications and websites faster with Angular

Code to download .mp3 files off the web

⛅️ Home to Wrangler, the CLI for Cloudflare Workers®

Having fun with Android Studio

Correct common PEP8 errors

Run Amber - A hide and seek game (maybe?)

Hack The Valley 2017 Hackathon Project

University of Toronto Hong Kong Public Awareness and Social Service Society

Shopify Backend Developer Intern - Summer 2019 Developer Intern Challenge Question

pages.choyin

Learning Angular

blogging

Runtime environment solution for Angular

Logo generator for your Angular Libraries

tinder like react-native deck swiper

Personal discordbot

Automatically closes videomega pop up

PDF Reader in JavaScript

No description.

Quickly build your backend and frontend using the existing modules and templates

An easy to use poll website

A collection of common algorithms with details

matplotlib: plotting with Python

Whatsapp Stickers iOS App

No description.

A discovery project into using technology to enhance interactions in Orientation station games.

Support for HTTP in Scapy

Learning Ruby on Rails with tutorial

Python motion detection with notifications and interactions

A collection of challenge based hack-a-thons including student guide, proctor guide, lecture presentations, sample/instructional code and templates.

CSCC01 Introduction to Software Engineering

No description.

TP-Link LB100/110/120/130 Smart Bulb plugin for Homebridge

Python Implementation of Matrices and others

Google Code-in 2015 Repository

Recommends a coffee to Twitterusers in need !

Google Code-in is a contest to introduce pre-university students (ages 13-17) to open source software development. This is a repository for GCI tasks and putting up examples for reference.

Airbus A320neo aircraft for FlightGear by Omega Hangar [Now GPL!]

A Bukkit Plugin - Freeze players at will!

Make stopping a server competitive!