PYTHON × WEB × NATIVE

Bring Python
to the screen.

Python logic. Web interfaces. Real native apps that bring them together.

Explore examples View project

● ● ●

Python↔JavaScript

Native desktop

One codebase
Expressive interfaces
Native experience

01 / THE COLLECTION

Four apps. New possibilities.

Native apps · Real recordings

Recorded in native windows · Silent previews

01Emberkeep

Pixel dungeon / Game

Source Run guide Releases

Pick up a lantern. Explore a dungeon powered by Python, with turn-based combat and saves behind a Canvas interface.

Canvas
Python objects
Async interop

Real Emberkeep recording: dungeon exploration, movement, and combat — Animated demoLoop preview

Emberkeep native window showing a pixel dungeon, lantern-bearing hero, and character stats — ScreenshotView full size ↗

02PianoScope

Music / Piano practice

Source Run guide

From MusicXML to sound. See every keystroke in falling notes or sheet music, with SoundFont piano playback, slower practice, and loops.

MusicXML
SoundFont
Canvas 2D

Real PianoScope recording: First Light falling notes, sustained key trails, and device-clock playback — Animated demoLoop preview

PianoScope native window showing the original First Light MusicXML score on a grand staff, with a piano keyboard — ScreenshotView full size ↗

03Bridge Lab

Python × JavaScript / Bridge lab

Source Run guide

Edit both sides. See Python and JavaScript work together through six editable examples covering functions, promises, live proxies, errors, and snapshots.

Live object proxies
Promise
Console

Real Bridge Lab recording: edited functions, object proxies, and asynchronous promises — Animated demoLoop preview

Bridge Lab native window with editable Python and JavaScript, real execution results, and the state inspector — ScreenshotView full size ↗

04Ashen Reliquary

ARPG equipment / Grid inventory

Source Run guide

Arrange relics, equip gear, split stacks, and socket gems. Python owns the inventory state and rules; the Vue interface refreshes detached render snapshots after backend events.

Grid drag & rotation
Equipment & sockets
Drag-to-bind quickbar

Real Ashen Reliquary recording: equipment, drag rotation, quickbar binding, gem socketing, stack splitting, and Python-generated relics — Animated demoLoop preview

Ashen Reliquary native window: character stats, equipment, grid inventory, and an item-icon quickbar — ScreenshotView full size ↗

02 / MAKE IT YOURS

Your next idea starts with a window.

Get the source and run these native examples locally.

View on GitHub shabbywu/ultralight-py

Local run instructions

git clone --recurse-submodules https://github.com/shabbywu/ultralight-py-showcase.git
cd ultralight-py-showcase
python scripts/build_site.py
python -m http.server 8000 --directory dist

Native recordings and source. Python examples run on your desktop.

Bring Pythonto the screen.

Four apps. New possibilities.

01Emberkeep

02PianoScope

03Bridge Lab

04Ashen Reliquary

Your next idea starts with a window.

Bring Python
to the screen.