You can create sequence diagrams like this:
<br />
<br />
```sequence<br />
Alice-&gt;Bob: Hello Bob, how are you?
Bob--&gt;Alice: I am good thanks!
```<br />
<a target="_blank" href="http://bramp.github.io/js-sequence-diagrams/">More info</a>
<br />
<br />
Or flow charts like this:
<br />
<br />
```flow<br />
st=&gt;start: Start<br />
e=&gt;end<br />
op=&gt;operation: My Operation<br />
cond=&gt;condition: Yes or No?<br />
st-&gt;op-&gt;cond<br />
cond(yes)-&gt;e<br />
cond(no)-&gt;op<br />
```<br />
<a target="_blank" href="http://adrai.github.io/flowchart.js/">More info</a>