NutUml

NutUml is A tool to generate UML diagram via text. For online preview you can visit http://www.nutuml.com/

A generated UML secquence are as follow:

Get Start

We describe the upper image by:

Client -> Server : Request
Server -> Client : Response

You can use the follow Code to try. Remember download nutuml.js to your local.

<script src="nutuml.js"></script>
<div id="myCanvas" style="border:1px solid #c3c3c3;"></div>
    
<script type="text/javascript">
var c=document.getElementById("myCanvas");
var umlText = "Client -> Server : Request\n"
    + "Server -> Client : Response";
var uml = new NutUml(c);
uml.drawUml(umlText);
</script>

Thank you!