https://semantle.novalis.org/
https://semantle.pimanrul.es/
https://research.google.com/semantris
https://transorthogonal-linguistics.herokuapp.com/TOL/boy/ma...
(Which can reproduce an old XKCD about the 'purity' of other scientific fields compared to math: https://twitter.com/RadimRehurek/status/638531775333949440)
https://semantle.novalis.org/
https://semantle.pimanrul.es/