Paul Cao. GitHub

A PERSONAL AI LAB

Ideas into
useful AI.

Hi, I’m Paul. I build and explore practical tools that make learning a little easier and everyday work a little better.

Explore my work A little about me

LEARN BY DOING. BUILD SOMETHING USEFUL.

+ FROM THE WORKBENCH 01 / ∞
01 / VOICE & LANGUAGE
A little practice.
A little more confidence.
Human conversations. AI possibilities.
02 / EVERYDAY LEARNING
curiosity /ˌkjʊəriˈɒsəti/

noun. The starting point of
everything I build.

ONE IDEA AT A TIME
always
learning.
THINK → MAKE → LEARN
CURIOUS ABOUTAI that helps peopleLanguage & learningPractical experiments

01 / SELECTED WORK

Made to be used.

A few projects from my GitHub.
Small ideas, working prototypes, and room to grow.

3 projects
FluentPalVOICE CONVERSATION
AI PARTNERWhat’s something you’d like to learn?
How to turn a small idea into something useful.
Speak. Reflect. Try again.INTERFACE STUDY
01AI · LANGUAGE LEARNINGPrototype

FluentPal

Make room for more conversation.

A voice practice prototype with live AI conversations, transcripts, and session reviews for vocabulary and grammar. Built in the AI Polyglot Learning repository.

  • React
  • TypeScript
  • Gemini
Visit prototype Source code
Inside the project

The implementation connects live audio to Gemini and includes voice and accent-style selectors, transcripts, and AI-generated session reviews. These are practice features; the project does not establish validated pronunciation scores or learning outcomes.

WORDUPA DAILY READER词海日译
Good words.
Every day.
THE WORD OF THE DAYserendipityFinding something good when you least expect it.
INTERFACE STUDY
02LANGUAGE LEARNINGWeb app

WordUp

A daily reader of English words.

An editorial-style vocabulary app with spaced repetition, four study modes, and browser-based pronunciation. A quieter way to build a daily learning habit.

  • HTML / CSS / JS
  • SM-2
  • Web Speech
Open WordUp Source code
Inside the project

A buildless web app with recognition, translation, spelling, and cloze exercises. Progress is saved in the browser on one device. AI-generated mnemonics and cross-device sync are roadmap ideas, rather than shipped features.

FLUENTPAL / PRODUCT EXPLORATION
Find your
voice.
A place to start speaking.CONCEPT STUDY
03PRODUCT & DESIGNConcept

FluentPal · the idea

Giving a learning tool a clear story.

A companion landing-page concept for an AI English speaking partner. An exploration of how to introduce the idea, explain the experience, and make the first step feel approachable.

  • HTML / CSS
  • Product storytelling
  • UI design
View concept Source code
Inside the project

This is a product presentation, related to the FluentPal conversation prototype above. Marketing examples on the concept page should not be read as verified customer results or evidence of production readiness.

Preview illustrations describe the ideas behind the projects. Follow the links to explore the actual interfaces and code.

02 / THE CURIOSITY SHELF

Good things
to learn from.

Exploring public projects is part of how I learn about AI. These are projects I’ve forked and follow, with credit to their original creators.

Browse my GitHub
01

Workflow automation

Connecting tools and ideas with n8n.

n8n-io / n8n · SOURCE-AVAILABLE
02

Agents that can act

Exploring how AI works with a browser.

browser-use / browser-use · OPEN SOURCE
03

Learning through technology

Tools and ideas for practising English.

everyone-can-use-english · OPEN SOURCE

03 / A LITTLE ABOUT ME

@paulcao888

A curious mind.
A practical approach.

I’m Paul. My projects bring together two interests: learning and useful technology. I like taking an idea, building a small version, and finding out what works.

Right now, that means exploring AI conversations, language-learning experiences, and tools that help people do more with less friction. This portfolio is a collection of that work as it develops.

01 Start with a real need.02 Make something small.03 Keep learning.

THE NEXT GOOD IDEA STARTS SOMEWHERE

Let’s keep building.

Explore the code, follow along, or share an idea on GitHub.

Find me on GitHub