Hi there,

Here a couple:
https://bitcointalk.org/index.php?topic=2006010.0
https://github.com/deeponion/deeponion

https://bitcointalk.org/index.php?topic=1365894.0
https://github.com/vergecurrency/

Not sure if Deeponion is a scam or a valid project, verge seems to be more solid.

Here an additional list that could be over tor, not really checked them:
https://bitcointalk.org/index.php?topic=2103301.msg21569617#msg21569617

Not fully sure which one has a native tor client, but hope the list helps.

Cheers!