Got inspired by Flighty and decided to build a clone for trains (Amtrak)
train tracking
route maps
stations
Gary's Demo
2025.12-002.PNGFlux (in convo)
2025.12-003.JPGthe Photon Residency <3
Vibe-coding cli for iMessage agents with 1-click agent deployment
Breed & manage your herd of cows. Remastered Scratch game from 2018
Revamped :)
Scratch ver (2018)
Cowlantir
Accidently open-sourced Gotham by Palantir. Originally a 3d-engine for ATC simulations & trainings
Browserbase but powered by screenshots instead of DOM elements in chrome extension. Was faster than most web browsing models at the time. Got to meet Paul Klein
Browsing Agent (Real-time)
Linge
Wrote entire product on overnight train
'Kanban' board & UI
Tinder + Hinge = Linge. Swipe through weekly coffee chat matches
Open-source mocap software for pose-tracking & 3D playback. Now used & maintained by University of Pennsylvania research staff under Professor Rajapakse
Posture analysis
pose playback
Gooning
YC vector search
Built vector-embedded repository for YCombinator AI Startup School data (speaker transcripts & chat logs). Got 300k+ views on LinkedIn, 500+ registered users, and 1M+ queries (~100k searches)
Cloned my childhood's favorite game (中华铁路 @ QQ)
Iron Empire
Train Game
Station Map
Demo
2025.05-002.JPGUI Draft
AI career planner. Build timelines on how to get your dream job based on your school's alumni who are there & their former stats
Soft-"where" to nudge your friends to hang out based on physical proximity and calendar availability
Poke
Proximity
Connect
2025.01-001.PNGReadme.md integration
Creates line-by-line breakdown of codebase to be summarized in a Readme.md file attachment
Unreal game for UPenn Perelman School of Medicine patient recovery
Black Hole
UE5 Game
Patient Recovery
Browser
Glass-morphic
SwiftUI
Wrote glass-morphic browser 3 years before Apple got to it
Answered questions in class faster than teachers finished their sentences
Smarter
GPT Powered
Classroom
The Verse
VR/AR
Scroll Site
Landing page for a VR&AR startup promsing space travel
Stress-relieving writing app to learn Electron.js
Slate
Writing App
Electron
Simply
Workout App
Empire Dragons
Forked workout app for Empire Dragons NYC rowing team
R&D for pose-tracking mobile workout app
Xatalyst Labs
Pose Tracking
R&D
17.JasonXu.me
High school portfolio
Frontend scrolling website that got glazed hella
17.JasonXu.me
Scrolling Site
SVG Design
Yaemage
SVG Library
Lazy Loading
Lazy-loading SVG library used in 17.JasonXu.me & The Verse
Music Windows wallpaper (w/ Lively.js SDK)
Now Playing
Wallpaper
Lively.js
DINO
Web3
Frontend
Landing page for Web3 startup
Genshin Impact with guns. Yes, I know, I was that degen
Simpact
UE5 Shooter
Blender
GNEC
Hackathon
NGO
Website for Global NGO Executive Committee's Hackathon I founded
Didn't want to do homework. Wrote key terms & vocabulary extractor for web pages
Moot
Key Terms
Extractor
MyTube
No Shorts
Focus Mode
Can't control myself so I deleted shorts, recommendations, and autoplay from YouTube UI
Rewrote Microsoft's Azure speech recognition on Expo to allow continuous recognition
Azure Speech
Continuous
Recognition
SLATE
AR Glasses
Live Translation
AR glasses for live transcription and translation
Wrote trauma-responsive teaching game for refugee children used by Rotary International
Journey
Teaching Game
Rotary Intl
Holes
Flashcards
GPT-3
Flashcard generator powered by GPT-3 as demo to faculty on abilities of ChatGPT in the classroom
Created dynamic hardware water bottles with attachment system & companion app
Liquify
Water Bottle
3D Printed
VRChery
Tower Defense
VR Game
Got gifted VR headsets but had no money to buy games. Wrote a tower defense game to play
Discord bot for playing Mafia. Complete with room creation & management
Murder Mystery
Discord Bot
Mafia
Ninety Nine
Card Game
Socket I/O
Socket I/O card game. Rewrite of 2019
City building game
LoneCity
City Builder
UE4
FreeThem
Prison Escape
Multiplayer
First multiplayer game I wrote about escaping convicts
My cousin's parents banned COD. We wrote our own
BSGO
FPS
UE4
Textplifier
Emoticons
iMessage
Adds Japanese emoticons to iMessage via keybinds
Spams people's mailboxes with SMTP servers
Mail Bot
SMTP
Python
Rolling Ball
Mobile Game
UE4
Cash-grab style mobile game inspired by Going Balls
Overhauled subway conductor game from scratch
Subway Chaos
Subway Game
UE4
Parkour Game
Learning UE
UE4
Learning Unreal Engine
Code.org hour of code turned into a week of code to write a cow-themed dungeon crawler
Cowland
Dungeon Crawler
Code.org
OpenProcessing
P5JS
Ubisoft
Learned P5JS from Ubisoft's {code}school tutorials
Cousin's parents found Project Chatty, so I wrote a cipher
Enkrypto
Cipher
Python
Project Chatty
Socket I/O
Python
Cousin's parents banned iMessage. Wrote it myself via Socket I/O
We all start somewhere :)
Scratch
The Beginning
2013-2020