Flowchart makers and database diagram tools

Map a process, application flow or database schema with a tool suited to that diagram type. This collection includes visual flowchart editors, database relationship editors and text-based diagram tools.

5 matching tools from the Appydev catalog

Refine by inputs, outputs, pricing and requirements →

What to check before choosing

  • Confirm support for flowcharts, entity relationship diagrams or sequence diagrams as needed.
  • Choose visual editing or text syntax such as Mermaid or a database DSL.
  • Compare image exports, source editing and collaboration before sharing the diagram.

Explore flowchart makers and database diagram tools

MermaidViewer preview

MermaidViewer

Live Mermaid editor with AI diagrams

Free

Listed capability: Visualize systems

Compare listed capabilities
Features
Not specified in listing
Inputs
Not specified in listing
Outputs
Diagram output, Template output
Languages and frameworks
Not specified in listing
Integrations
Not specified in listing
Collaboration
Not specified in listing
Access
Not specified in listing
Control and approval
Not specified in listing
Data handling
Not specified in listing
DB Diagram preview

DB Diagram

Draw Entity-Relationship Diagrams, Painlessly 😎

Generous Free Plan

Listed capability: Visualize systems

Compare listed capabilities
Features
Not specified in listing
Inputs
Not specified in listing
Outputs
Diagram output
Languages and frameworks
Not specified in listing
Integrations
Not specified in listing
Collaboration
Not specified in listing
Access
Not specified in listing
Control and approval
Not specified in listing
Data handling
Not specified in listing
Draw Flow preview

Draw Flow

Simple flowchart maker

Free

Listed capability: Visualize systems

Compare listed capabilities
Features
Not specified in listing
Inputs
Not specified in listing
Outputs
Diagram output
Languages and frameworks
Not specified in listing
Integrations
Not specified in listing
Collaboration
Not specified in listing
Access
Not specified in listing
Control and approval
Not specified in listing
Data handling
Open source
DrawSQL preview

DrawSQL

DrawSQL - 🔥 Database schema diagrams

Generous Free Plan

Listed capability: Visualize systems

Compare listed capabilities
Features
Not specified in listing
Inputs
Not specified in listing
Outputs
Diagram output
Languages and frameworks
Not specified in listing
Integrations
Not specified in listing
Collaboration
Team
Access
Not specified in listing
Control and approval
Not specified in listing
Data handling
Not specified in listing
Whimsical preview

Whimsical

Whimsical: The Visual Workspace

Generous Free Plan

Listed capability: Visualize systems

Compare listed capabilities
Features
Not specified in listing
Inputs
Not specified in listing
Outputs
Diagram output, Notes output, Wireframe output
Languages and frameworks
Not specified in listing
Integrations
Not specified in listing
Collaboration
Team
Access
Not specified in listing
Control and approval
Not specified in listing
Data handling
Not specified in listing

Common questions

Which tool should I choose for a database diagram?

Choose a tool that explicitly supports entity relationship diagrams or database schemas. General flowchart support does not establish SQL import, schema synchronization or database connectivity. Check those capabilities separately.

Matches reflect listing descriptions and taxonomy classifications, which can include inferred intended uses. They are not independent product verification or a guarantee of suitability.