Elysium UI

Python UI without the rectangles.

Status: 1.0 — production / stable. The public API follows strict semver; see the CHANGELOG.

A GPU-accelerated framework for borderless, shaped, animated Python desktop applications. Skia + wgpu hybrid rendering, designer-and- developer split via .esk skin files, animation as a first-class citizen, and a dedicated authoring app (Elysium Designer).

It targets Qt/PySide6 parity for desktop UI while deliberately staying focused on the UI layer — see the scope statement for what's in and what's left to the Python ecosystem.

Documentation

Both sites build from this repo: docs/ and docs-designer/.

Quick start

pip install elysium-ui

Run the minimum borderless ellipse window:

import elysium as ely

ELLIPSE = "M 0,180 A 180,180 0 1 0 360,180 A 180,180 0 1 0 0,180 Z"

app = ely.App(title="Hello", identifier="dev.example.hello")
window = app.window(transparent=True, title_bar=False,
                    resizable=False, initial_size=(360, 360))
window.set_hit_test_path(ELLIPSE)
app.run()

A 360 by 360 transparent ellipse window appears with no chrome, clipping clicks to the ellipse.

Four lead demos

The Getting Started tutorials walk through four flagship apps:

Demo Time What you build
Aurora Clock 30 min Borderless transparent ellipse clock with breathing aurora glow
Pomodoro Timer 25 min Rounded-rect Pomodoro with radial progress + popover settings
Stylized Music Player 90 min Late-1990s-style irregular faceplate music player skin
Butterfly Banner 20 min The Elysium logo: a butterfly descends and unfurls the wordmark

Together they exercise the entire public API: App, Window, shaped windows, skins, signals, effects, Tweens, Springs, Timelines, themes, components, brush, PBR, AI, marketplace.

The Designer

The companion authoring app ships as a signed standalone executable per OS:

  • macOS: Elysium Designer.app
  • Windows: ElysiumDesigner.exe
  • Linux: Elysium-Designer.AppImage

Download from releases, or build from source (see the build-from-source guide).

The Designer's lead tutorial is the Blue Morpho to Monarch butterfly texture-transfer workflow, which produces the same .esk the Butterfly Banner framework demo loads.

Architecture

Layer Crate / Package
Pure-Rust primitives (geometry, display list, color, time) ely-core
Windowing + input + a11y (winit) ely-platform
Skia paint + wgpu compositor + WGSL effects ely-render
.esk parser + naga shader sandbox + Ed25519 signatures ely-skin
Hot-reload IPC ely-ipc
PyO3 bindings (the _native module) ely-py
Pure-Python framework python/elysium/
Standalone visual designer elysium-designer/

Build from source

# Native + Python in one command:
maturin develop --release

# Rust workspace tests:
cd elysium-native && cargo test --workspace

# Python suite:
pytest python/elysium/

# Live-window end-to-end test (gated on a display):
ELYSIUM_RUN_WINDOW_TEST=1 pytest tests/test_smoke.py::test_phase0_live_window_end_to_end

Contributors: see CONTRIBUTING.md and the contributing guide on the docs site.

Where the artifacts land

What Where For
Framework elysium-native/target/wheels/ pip install consumers (developers building apps with the library)
Designer (Mac) dist/macos/ElysiumDesigner.app End-users on macOS
Designer (Win) dist/windows/ElysiumDesigner.exe End-users on Windows

The framework directory holds the pip-installable wheel + universal sdist produced by maturin build --release --sdist. The Designer directories hold the single-file PyInstaller bundles produced by scripts/build-designer.sh (or .ps1 on Windows) — no Python install required to run, since each bundle ships its own interpreter and the compiled native extension.

Cross-platform wheels + Designer binaries also come out of CI: trigger release-library.yml for wheels (Win/Mac arm64+x86_64/Linux), or build-binaries.yml for the Designer matrix.

Examples

Folder Purpose
examples/hello/ Minimum-viable app; smoke test
examples/butterfly/ Blue Morpho reference + Monarch model used by both lead tutorials
examples/components/ Single-window showcase of every built-in component
examples/agent-cursor/ Aether-driven borderless cursor companion
examples/snapshot-relay/ Headless /snapshot HTTP relay for tests

License

Permissive. See LICENSE.

Links

Project links

Data verified by PyPI on Aug 6, 2026
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Avatar for lamautelabs from gravatar.com lamautelabs

Credits

Author: Elysium UI Contributors

GitHub Statistics

Data verified by PyPI on Aug 6, 2026
The GitHub source repository was provided by the project maintainers and verified by PyPI at the time of upload. Stars, forks, and open issues/PRs are derived from that repository and have not been independently verified.

License

Apache Software License (Apache-2.0)

Requires

Python >=3.10

Provides Extra

ai build dev

Tags

ui gui skia wgpu desktop python

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