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First recommendetion is piwigo, wikipedia. Next photonix.


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I tried the other suggestions above but I found this guitar tuner that worked nicely. I was even able to accurately hum a range of notes. https://tuner-online.com/


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Cryptpad by XWiki calls itself the "zero-knowledge cloud". It is more a replacement for encrypted pads, etherpads and Google Docs than for a wiki, but you can use it with some wiki-like features if you have enough discipline (e.g. to cross-link related documents and archive the documents you need) I'm using it with a few different groups and people ...


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