Free Activity Diagram Maker

Better Visualize System Behavior

Intuitive activity diagram maker to visualize complex activity flows. Coordinate efforts with your team & develop a shared understanding of systems behavior.

Intelligent UML activity diagram tool to model systems faster
Reuse the same data in multiple ways for multiple perspectives
Collaborate on activity diagrams and system designs easily

Snapshot of Creately's Activity Diagram Maker depicting a Activity Diagram Map

Better Visualize System Behavior

Intuitive activity diagram maker to visualize complex activity flows. Coordinate efforts with your team & develop a shared understanding of systems behavior.

Create an Activity Diagram

Intelligent UML activity diagram tool to model systems faster
Reuse the same data in multiple ways for multiple perspectives
Collaborate on activity diagrams and system designs easily

Over 10 Million people and 1000s of teams already use Creately

How to make an Activity Diagram?

PLAN

Create a Shared Understanding of System Behavior

Accurately depict how systems behave with purpose-built shape libraries.
Intuitive modeling with adaptive shapes that change according to the context.
Easily modify activity diagrams with simple drag and drop tools.
Quickly visualize entire systems with UML activity diagram templates.

COLLABORATE

Design Complex Systems Together

Collaborate with team members on visualizing system flows on a shared canvas.
Brainstorm on identifying system functions on an interactive whiteboard.
Have discussions & follow-ups on the same canvas with contextual comments.
Save & revert back to iterations of your system design with full version history.

ADAPT

Elevate and Interact with Your Data

Add references & key details to your activity diagram with integrated notes.
Create a central repository of all your activity diagrams with the infinite canvas.
Maintain workflows & keep everyone in sync with workspace level status tracking.
Create activity diagram online with multiple types of data sets.

EXECUTE

Understand Workflows and Dependencies

Manage sharing and permissions with multiple access levels and roles.
Embed your activity diagrams securely in your apps, intranets or sites.
Bring system data from any source to visualize them & connect information together.

Create an Activity Diagram

What is an Activity Diagram Maker?

An activity diagram maker is a tool designed to help you create UML activity diagrams that illustrate the flow of control and steps involved in a system or process. These diagrams are widely used in software development, business process modeling, and other fields to visualize workflows, interactions, and decision points. Whether you’re mapping out a complex system, designing a new process, or documenting an existing one, an activity diagram maker simplifies the creation of clear and professional diagrams, making it easier to communicate and analyze system behavior.

How to Create an Activity Diagram Collaboratively with Your Team?

Set up the Creately workspace to work with your team

Open a Creately workspace and share it with others in your team to collaborate with them. Open the activity diagram shape library or choose a relevant template from the library to work on. Use real-time mouse cursors and synced previews to easily track the changes other participants make in the workspace.

Define the purpose of the activity diagram

The team should agree on the purpose and scope of the diagram, including what process or system is being modeled and what level of detail is required.

Identify the action steps of the system

Gather requirements from all relevant stakeholders and use them to create a list of activities and the flow of control in the process.

Identify the system actors

Identify the various actors in the system and discern how they interact in the system.

Create a flow

List out the order in which actions in a system take place. Identify the conditions that have to be met in order to carry out certain processes, which actions occur at the same time and whether you need to add any branches in the diagram. One or more team members can then collaborate on creating a diagram based on the requirements.

Establish responsibility

Add swimlanes to group activities that are carried out by different actors.

Review and refine the activity diagram

The team should review the draft diagram and provide feedback on its accuracy and clarity. Use comments threads and @mention comments to discuss changes and tag team members to carry them forward. The diagram should be refined based on this feedback.

Finalize the diagram

Once the team agrees that the diagram accurately represents the process or system, the final version of the diagram can be shared with all stakeholders. You can track each iteration of the diagram with version history and revert back anytime you want. The team can schedule regular review meetings to ensure that the diagram is up-to-date and continues to accurately represent the process or system as it evolves.

Create Your Activity Diagram Online with Editable Templates

Railway Reservation System

Edit Diagram

Activity Diagram for Business Analysis

Edit Diagram

Library Management System Activity Diagram

Edit Diagram

Loan Management System

Edit Diagram

FAQ about the Activity Diagram Tool in Creately

Why use Creately’s activity diagram maker?

Creately’s activity diagram tool is intuitive and easy-to-use. It provides an extensive activity diagram shape library along with over 10,000 shapes for other diagrams including all UML diagram types. It also offers editable templates and examples for various scenarios involving activity diagrams and system designing. You can collaborate in real-time with others in your team on the same shared workspace and share and embed your activity diagrams easily on any platform.

When to use the activity diagram tool?

Activity diagrams are usually used to model the activity flow of a system. And while an application can have multiple systems, you can use an activity diagram maker like Creatley, when you want to have multiple diagrams side by side on a single canvas for easier analysis. You can also use an online activity diagram maker when you want to streamline the process of drawing activity diagrams online and involve multiple collaborators.

How to use Creately activity diagram templates?

You can access Creately templates through the templates community and from within the app’s template library. Simply select the template you want to edit and click on it to open it in the editor where you can customize it by changing text, colors, and adding more shapes.

Can I collaborate with my team on activity diagrams in Creately?

Absolutely! Creately’s activity diagram tool is built for real-time collaboration. You can work with your team simultaneously, leave comments, and share diagrams instantly to keep everyone aligned.

Can I export my activity diagrams from Creately?

Yes, you can easily export your activity diagrams in multiple formats including PNG, PDF, and SVG—perfect for presentations, reports, or documentation.

Streamline Your Workflows by Integrating with the Tools You Love

Creately integrates with the tools your teams use every day and supports your team’s workflow seamlessly.