It would be awesome if it would be possible to embeed a sage cell in to confluence. Here is mine example running wolframalpha. https://meintutor.atlassian.net/wiki/spaces/MAT/pages/327681 The code to embeed is :
<script type="text/javascript" id="WolframAlphaScript91c3408a1da9c9dc9435c81cf2f8ad0d" src="//www.wolframalpha.com/widget/widget.jsp?id=91c3408a1da9c9dc9435c81cf2f8ad0d"></script>Is it possbile to embeed this server? http://sagecell.sagemath.org/