NodeLogic Graph Builder

Visual no-code graph editor for building dynamic page logic with Gutenberg blocks.

NodeLogic Graph Builder lets you build dynamic logic for WordPress pages without writing code.

You create your setup directly in Gutenberg:

Add input/output blocks from this plugin to your page.
Add the NodeLogic Graph Builder Logic block.
Open the graph editor and connect nodes to control values, conditions, styles, and behavior.
Save and publish.

Key Features:

Visual drag-and-drop node graph editor
Gutenberg blocks for inputs/outputs and page logic
Supports number, string, boolean, color, and basic CSS logic flows in the free version
Logic Block for page-level runtime behavior
Additional advanced node packs (events, memory, advanced string/math helpers, templates, and custom nodes) are available in a separate Pro extension
Works locally inside WordPress (no license endpoint required)

Node Types Included:

Element blocks: Seekbar, Number Input, Text Input, Radio Group, Select, Checkbox, Label, Button Group
Graph nodes (free): Calculation, Condition, Switch/If, Boolean Logic, Math helpers, core String Logic, Colors, CSS, Outputs

Source: https://github.com/nodelogicwp/nodelogic-graph-builder