canSnippet is an alternative I developed some time ago. You can use:
- the Desktop version (macOS only, no cloud) <a href="http://cansnippet.com/" rel="nofollow">http://cansnippet.com/</a>
- the community edition (open source webapp) <a href="http://cansnippet.org/" rel="nofollow">http://cansnippet.org/</a><p>You can see a running instance (in French) here
<a href="https://cansnippet.bioinfo-fr.net/" rel="nofollow">https://cansnippet.bioinfo-fr.net/</a><p>Let me know if you have any question :)