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id flowgraph
name Flow Graph
url https://github.com/MothCocoon/FlowGraph
category tools
subcategories
unreal
scripting
license MIT
license_spdx MIT
commercial true
attribution_required false
formats
unreal-plugin
C++
tags
unreal-engine
node-graph
event-scripting
narrative
quest
blueprint
ue_versions 5.6-5.8
added 2026-10-13
verified 2026-10-13
status active

Flow Graph

Design-agnostic node editor for scripting the flow of events in Unreal Engine: quests, story beats, level events and anything else that is a sequence of things waiting on other things. Each node is a UObject that bundles logic and data and is asynchronous by design, so a node can wait on a delegate and fire output pins later, which a Blueprint function cannot. MIT licensed, so it can ship inside a closed commercial game.

Notes

  • A framework rather than a finished system: the README says it is "a convenient base for building systems tailored to fit your needs", so expect to write game-specific nodes in C++ or Blueprints
  • Runtime debugging draws messages over active nodes and wires while the game plays
  • Engine support comes from the release list: v2.3 shipped as separate releases for UE 5.6, 5.7 and 5.8 (2026-07-11); the README and Flow.uplugin name no engine version, and the default branch is 5.x
  • Install by cloning the repository or downloading a release into YourProject/Plugins; documentation is on the project's GitHub Pages site
  • Pairs with the dialogue plugins in this catalog rather than replacing them: Flow Graph sequences events, while DlgSystem, SUDS or Mountea handle the conversation itself; SUQS covers quest state in data tables if a graph is more than you need
  • MIT is compatible with the Unreal Engine EULA, which forbids combining engine code with copyleft licences such as GPL, LGPL and CC-BY-SA; keep the copyright notice in your third-party credits
  • Maintenance: GitHub API (2026-10-13) reports the repository not archived, last push 2026-10-13

Evidence

  • LICENSE in the repository, 5.x branch (2026-10-13): "MIT License Copyright (c) https://github.com/MothCocoon/FlowGraph/graphs/contributors"
  • Same file (2026-10-13): "to deal in the Software without restriction"
  • GitHub releases (2026-10-13): "Flow v2.3 - UE 5.6", "Flow v2.3 - UE 5.7", "Flow v2.3 - UE 5.8"

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