Swimlanes.io – generated editable sequence diagrams
Prior art:<p>1. Plant UML: <a href="http://www.plantuml.com/plantuml/umla/SoWkIImgAStDuNBCoKnELT2rKt3AJx9IS2mjoKZDAybCJYp9pCzJ24ejB4qjBk42oYde0jM05MDHLLoGdrUSoeLkM5u-K5sHGY9MGw6ARNHryQb66EwGcfS2T300" rel="nofollow">http://www.plantuml.com/plantuml/umla/SoWkIImgAStDuNBCoKnELT...</a><p>PlantUML supports many diagram types, and there's a nice VS Code plugin with side by side live preview.<p>2. <a href="https://www.websequencediagrams.com/" rel="nofollow">https://www.websequencediagrams.com/</a><p>Has a hand-drawn style option which is nice:<p><a href="https://i.imgur.com/lh4jaVL.png" rel="nofollow">https://i.imgur.com/lh4jaVL.png</a>