Diagram, share, and innovate faster with Lucidchart. Lucidchart is the ideal tool for creating any kind of UML flowchart, whether it’s an activity diagram, a use case diagram, or a component diagram. After all, everyone has been drawing out ideas since childhood. Decision node: A conditional branch in the flow that is represented by a diamond. It uses different container shapes for activities, decisions, and notes. Follow these steps: Open a blank document or start with a template. Demonstrates the acceptance of an event. UML can be easy to understand with visual tools like Lucidchart, so try it free today! You can even share your diagram as a link with current Lucidchart users and non-users. Plan, understand, and build your network architecture. Try Lucidchart. Indicates that a signal is being sent to a receiving activity. Works on Mac, PC, and Linux and integrated with your favorite apps. We even allow the option of sharing your diagram via social media. Leave notes for added clarity and specification. Start a free trial today to start creating and collaborating. A visual workspace for diagramming, data visualization, and collaboration. It can be used by itself or with a note symbol that explains the starting point. Diagramming is quick and easy with Lucidchart. International compliance, privacy, and security standards you can trust. Identify gaps, pinpoint inefficiencies, and mitigate risk in your workflows. You can even import SVG shapes and Visio files for a custom solution. Shows the directional flow, or control flow, of the activity. UML is extremely useful for visualizing and documenting software systems, but the terminology can be somewhat overwhelming for someone unfamiliar with UML. Want to make a UML diagram of your own? Bring collaboration, learning, and technology together. Composite structure diagram. Collaborate with others seamlessly and create elaborate flowcharts to map out even the most complex processes with simplicity and ease. How to Draw a State Machine Diagram in UML, How to Draw a Communication Diagram in UML. Lucidchart offers in-editor collaboration tools and instant web publishing so you can demonstrate the functionality of your system to others. Collaborate with others seamlessly and create elaborate flowcharts to map out even the most complex processes with simplicity and ease. Refer to this page featuring all the common UML activity diagram symbols and notations. Allows the diagram creators or collaborators to communicate additional messages that don't fit within the diagram itself. Try Lucidchart. Connect to the apps your team uses daily. A virtual whiteboard that helps you and your team collaborate to bring the best ideas to light. When you’re finished making your activity diagram, you can share it with others in multiple ways so they understand your business processes and the way your system functions. This activity diagram shows the process of logging into a website, from entering a username and password to successfully logging in to the system. Create powerful visuals to improve your ideas, projects, and processes. The flow final symbol should be placed at the end of a process in a single activity flow. Read up on our .css-19n0s22{color:#635DFF;display:inline-block;border:none;font-size:inherit;text-align:left;-webkit-text-decoration:none;text-decoration:none;cursor:pointer;}.css-19n0s22:visited{color:#635DFF;}.css-19n0s22:hover,.css-19n0s22:focus{color:#635DFF;-webkit-text-decoration:underline;text-decoration:underline;}.css-19n0s22:hover:visited,.css-19n0s22:focus:visited{color:#635DFF;}a.css-19n0s22:not([href]){color:#838A93;cursor:not-allowed;}activity diagram guide to expand into the many benefits activity diagrams can serve.