This uses some pretty terrible criteria. Being critical is imporant, and slopware should be looked upon very spektically. But please do this properly and dont slop together questionable lists.

Total Commander for Android has an SFTP plugin. They run their own fdroid repo.

https://www.totalcommander.ch/android/plugins.htm

You don’t need a cert authority to self-sign. You can do it once and be good to go.

Yup thanks for the heads-up!