# irihitech/Ursa.Avalonia

Ursa is an enterprise level UI library for building cross-platform applications with Avalonia UI.

Repository: https://github.com/irihitech/Ursa.Avalonia
Canonical: https://ross.abutalabs.com/products/ursaavalonia
Homepage: https://irihitech.github.io/Ursa.Avalonia/
Language: C#
License: MIT
License Family: permissive
Topics: avalonia, avaloniaui, control-library, cross-platform, cross-platform-gui
Last push: 2026-08-26T11:36:58+00:00

## Health v2 (maintenance only)
Score: 96/100 (v2, computed 2026-09-02T17:46:02.011165+00:00)
- activity 99, release rhythm 95, longevity 93
- inputs: {"age_days": 1311, "days_push": 7, "days_rel": 33, "gap_med": 25.0, "n_releases_24m": 25}
- flags: none
- formula: round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)

## Adoption (not part of the score)
Stars 1555, forks 142 (observed 2026-08-28T04:05:03.054880+00:00)

## What it is
Ursa is an enterprise-level UI control library for building cross-platform applications with Avalonia UI. It provides a rich set of controls and theming, with a companion Semi Design-inspired theme package and extensions for Prism and ReactiveUI.

## Use cases
- build cross-platform desktop apps with Avalonia
- add enterprise UI controls to an Avalonia application
- apply a Semi Design theme to Avalonia apps
- use dialogs with Prism.Avalonia
- integrate ReactiveUI with Avalonia windows

## When to choose
- you are building Avalonia UI applications and need polished, enterprise-grade controls
- you want a Semi Design look and feel in .NET cross-platform apps
- you use Prism or ReactiveUI and need dialog/window integration

## When to avoid
- you are not using Avalonia UI or the .NET ecosystem
- you need a UI toolkit for web-only or native non-.NET platforms
- you require Avalonia versions outside 11.1.x/11.2.x (11.2.0 unsupported)

## Facets
- artifact type: library
- maturity: active
- function: ui-components, frontend-framework, theme
- domain: cross-platform, desktop-applications, web-development
- platform: cross-platform, dotnet
- tags: avalonia, c-sharp, semi-design, enterprise-ui, control-library, desktop

## Member repositories
- irihitech/Ursa.Avalonia (main) score 96

## Provenance
- Observed fields: from GitHub, fetched 2026-08-28T04:05:03.054880+00:00.
- Health v2: computed from the inputs above; adoption is never an input.
- Inferred fields (summary, facets, guidance): AI-extracted, prompt v1, taxonomy v1, on 2026-08-30T04:30:01.929490+00:00, confidence not recorded.
  - readme: https://github.com/irihitech/Ursa.Avalonia (fetched 2026-08-28T04:05:03.054880+00:00, sha f67155783997)
  - homepage: https://irihitech.github.io/Ursa.Avalonia/ (fetched 2026-08-29T11:30:02.216513+00:00, sha b56abd179dc6)
- Data as of 2026-08-30T08:39:29.467469+00:00.