Top HTML Diagram Libraries with Examples

📘 Blog: HTML Diagram & Graph Libraries (with Examples)

1. Mermaid (Flow Diagrams)

flowchart TD A --> B --> C

sequenceDiagram User->>App: Login

stateDiagram-v2 [*] --> Start Start --> End

2. Chart.js (Graphs)

3. D3.js

Example 1: Simple text

Example 2: Circle

Example 3: Rectangle

4. GoJS (Diagram)

Example 1: Node Diagram

Example 2: Tree

Example 3: Flow Layout

5. jsPlumb

Example 2 & 3: Connect multiple boxes

6. JointJS

Example 1: Basic node

Example 2: Link between nodes

Example 3: Workflow diagram

7. Cytoscape.js

Example 1: Graph node

Example 2: Network

Example 3: Relationship graph

8. ECharts

Example 1: Bar

Example 2: Pie

Example 3: Line

9. Vis.js

Example 1: Timeline

Example 2: Network graph

Example 3: Nodes

10. Fabric.js

Example 2: Draw shapes

Example 3: Drag objects