# AvaloniaUI/AvaloniaEdit

Avalonia-based text editor (port of AvalonEdit)

Repository: https://github.com/AvaloniaUI/AvaloniaEdit
Canonical: https://ross.abutalabs.com/products/avaloniaedit
Language: C#
License: MIT
License Family: permissive
Topics: avalonia, editor, text-editor, code-editor, netstandard
Last push: 2026-06-05T07:54:45+00:00

## Health v2 (maintenance only)
Score: 79/100 (v2, computed 2026-09-02T17:46:02.011165+00:00)
- activity 86, release rhythm 57, longevity 100
- inputs: {"age_days": 3420, "days_push": 89, "days_rel": 209, "gap_med": 48, "n_releases_24m": 4}
- flags: none
- formula: round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)

## Adoption (not part of the score)
Stars 1124, forks 230 (observed 2026-08-28T04:03:40.615994+00:00)

## What it is
AvaloniaEdit is a C# text editor control for the Avalonia UI framework, ported from the WPF-based AvalonEdit. It provides syntax highlighting, code folding, code completion, multi-caret editing, and other rich text editing features as an embeddable UI component.

## Use cases
- embed a code editor with syntax highlighting in an Avalonia app
- add line numbers and code folding to a text view
- build a lightweight IDE or script editor in .NET
- display and edit large text documents with virtualization
- add TextMate grammar-based highlighting to a cross-platform .NET app

## When to choose
- you are building an Avalonia desktop application that needs a rich text or code editor
- you want AvalonEdit-like features cross-platform in .NET
- you need customizable editor features like folding, completion, and multi-caret editing

## When to avoid
- you are building a WPF app (use the original AvalonEdit instead)
- you need a full IDE experience rather than an embeddable editor control
- your app does not use Avalonia or .NET

## Facets
- artifact type: library
- maturity: active
- function: editor, ui-components
- domain: text-editors, developer-tools, cross-platform
- platform: cross-platform, dotnet
- tags: avalonia, text-editor, syntax-highlighting, code-folding, code-completion, wpf-port

## Member repositories
- AvaloniaUI/AvaloniaEdit (main) score 79

## Provenance
- Observed fields: from GitHub, fetched 2026-08-28T04:03:40.615994+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 2026-08-30T06:39:36.516999+00:00, confidence not recorded.
  - readme: https://github.com/AvaloniaUI/AvaloniaEdit (fetched 2026-08-28T04:03:40.615994+00:00, sha c380ce3297a8)
- Data as of 2026-08-30T08:39:29.467469+00:00.