The full set

Every diagram type

21 kinds of diagram, each with a worked example that opens in the editor. All free, with no account, and as many as your browser has room for.

Open a blank canvas

Process and workflow

For work that happens in an order, with branches and hand-offs.

Flowchart makerA flowchart turns a process you can only describe in a paragraph into something a reader takes in at a glance.
Process map makerA process map is a flowchart pointed at a business problem.
Swimlane diagram makerA swimlane diagram is a flowchart that also answers the question a flowchart leaves out: who does this step.
BPMN diagram toolBPMN is a notation for business processes with a tighter vocabulary than a plain flowchart.
Decision tree makerA decision tree turns a policy into something anybody can follow.
State diagram makerA state diagram lists every state a thing can be in and every way it can move between them.

Software and data

For designing and documenting systems, schemas and interactions.

Thinking and planning

For working out what you know before it has a shape.

People, sites and screens

For structures, layouts and the paths people take through them.