Gleek diagram maker
Gleek.io is a diagram maker focused on speed ⏱
- typing code is much faster than drag-and-drop
- for developers, it is more natural to write than to draw
- generate a diagram with connections
What types of diagrams can you make with Gleek?
✅ Software architecture diagrams
✅ UML class and object diagrams
✅ Entity-relationship diagrams
✅ Sequence diagrams
✅ Flowcharts
✅ Mind maps and more
The features of Gleek.io include:
➡ 16 different shapes to use
➡ Various connections based on the diagram type
➡ Diagrams saved locally in a browser as well as on Gleek.io servers
➡ Dashboard with the overview of your diagrams with the option to search
➡ Free Templates (type /) and Syntax help to make it easier to start
➡ Rotation of the diagram, SVG download of a diagram, diagram link sharing, fit to screen layout
Example to try:
👉 Type "Shape1--Shape2" for your first diagram
Gleek AI chat 2025 - The New Features in Action
UML Class diagram example: Hospital management system
ER diagram Crow's foot example: Student management system
UML Sequence diagram example: Online food ordering system
User journey diagram tutorial: Food ordering app (example)
UML State diagram example: Student registration process
Gantt chart example: Research project proposal
ER diagram example: E-commerce website using AI chat
Sequence diagram using AI chat: Microservices example
UML Class diagram example: University management system using AI chat
ER diagram Crow's foot example: Online shopping system
ER diagram Crow's foot example: Hospital management system
UML Class diagram example: Restaurant management system
UML Sequence diagram example: Library management system
Flowchart diagram tutorial (user login example)
UML Sequence diagram example: Online shopping system
UML Class diagram example: Bank ATM system
Flowchart symbols: Process symbol, decision, input/output, terminal symbols, and flowlines
UML diagram types: structure and behavior diagrams (14 examples)
Chen notation vs Crow's foot notation (ER diagram)
UML Sequence diagram with loop, solid & dotted line (a cashier example)
Add diagrams to Confluence pages (Gleek.io plugin)
Add diagrams to Azure DevOps tasks and stories (Gleek.io extension)
UML Sequence diagram: User login page (example)
Sequence diagram tutorial: ATM withdrawal (example)
UML Class diagram example: Library management system project
Class diagram arrows: Association, Aggregation, Composition, Dependency, Multiplicity, Inheritance
ER diagram for online store using Crow's foot (attributes & cardinalities)
Entity-Relationship model: Crow's foot notation example
Entity-Relationship model: Chen notation example