Video tutorials

UML diagram types: structure and behavior diagrams (14 examples)
In this video, we’ll give you a summary and an example of each UML diagram type.
Chen notation vs Crow's foot notation (ER diagram)
This time we’re going to compare Chen notation with Crow’s Foot notation. These are the two most popular ways to create entity-relationship diagrams.
UML Sequence diagram with loop, solid & dotted line (a cashier example)
In this video, we’ll create a UML sequence diagram with a loop operator. The loop will represent a cashier entering items into the cash register system.
Getting started with Gleek diagram maker
Not sure where to start? Don’t worry, here’s our quick start guide. Once you’ve read this, you’ll be happily diagramming like a pro 💪
How to create a System context diagram (Data flow diagram Level 0)
A system context diagram will help you to work out the relationships without getting too involved in the details of how your system works.
How to create a concept map (Solar System example)
Creating a concept map is a way to organize, explore, and expand your understanding of a topic.
Entity-Relationship model: Chen notation example
We will show three basic elements of an entity-relationship diagram – entity, attribute and relationship.
Entity-Relationship model: Crow's foot notation example
We’ll create an ER diagram using crow’s foot notation. We’ll keep things simple by leaving out the attributes focusing on entities and relationships.
ER diagram for online store using Crow's foot (attributes & cardinalities)
This entity-relationship diagram is using crow’s foot notation and shows entities, their attributes, and the relationships between them.
Association, Aggregation, Composition, Dependency, Multiplicity, Inheritance
UML class diagram arrows represent relationships and denote association, aggregation, composition, dependency, and inheritance.
UML Class diagram example: Library management system project
This library management system will enable librarians to add, update, delete, and display information about the books.
Sequence diagram tutorial: ATM withdrawal (example)
Sequence diagrams are great at showing the interactions between elements. An example might be how a client interacts with an ATM.
UML Sequence diagram: User login page (example)
Any login page involves messages being sent back and forth, objects being activated, and responding with data, over a discrete period of time.
Add diagrams to Azure DevOps tasks and stories (Gleek.io extension)
Gleek.io Azures DevOps extension gives you all the basic functionality you need to better describe your task or user stories.
Add diagrams to Confluence pages (Gleek.io plugin)
Once you add Gleek.io plugin to Confluence, you can add flowcharts, ER diagrams, class or sequence diagrams to your Confluence pages.