FlowGraph Documentation

A node-based graph editor for .NET and Avalonia.

Quick Links

Getting Started
API Reference
Guides

About

FlowGraph is a .NET library for building node-based editors, inspired by React Flow. It provides a complete set of tools for creating visual programming interfaces, workflow editors, and diagram applications.

Features

Pan, zoom, and viewport controls
Draggable, resizable nodes with custom renderers
Configurable resize handles per node
Multiple edge types (Bezier, Straight, Step)
Edge locking and port tooltips
Connection validation
Undo/redo with full command history
Copy, cut, paste, duplicate
Node grouping with collapse/expand
Minimap and controls
Animations
Theming support
JSON serialization
Hierarchical grid backgrounds
Direct GPU rendering for large graphs
Quadtree spatial indexing for O(log N) hit testing

Installation

dotnet add package FlowGraph.Avalonia

Resources

GitHub Repository
NuGet Package
Full Documentation (coming soon)