Alarms Done Right. Created by Andrew Zheng (CEO) and myself (CTO).


Automatically add reactions to users' messages

Grade Calculators

The grade calculators are simple tools to calculate what you need to get on a final in order to get a particular grade or to see what your grade will look like after you've taken the final.

HTTP Monitor Bot

A Cloudflare Worker designed to monitor an HTTP service, then update cState with the status

Playlist Duplicator

A simple way to duplicate the contents of one Spotify playlist into another.


Drag-and-drop to find text. Powered by Apple's Vision framework.


Enable scrolling in the Xcode Simulator! — created by Andrew Zheng


Generate help centers for your iOS apps, with Markdown! All you need to do is write your documents on GitHub, and install the library in your app. SupportDocs' custom GitHub Action and GitHub Pages will take care of the rest.