There is self-hosted PHP app named Firefly III [1] that supports double-entry bookkeeping system. If by "sharing" you mean "logging on your account at different

There is self-hosted PHP app named Firefly III [1] that supports double-entry bookkeeping system. If by "sharing" you mean "logging on your account at different computer/phone" then it should work. There are user accounts, but only to use same installation without sharing data. [1] https://firefly-iii.org/ https://firefly-iii.org/ Disclaimer: I'm just a happy user, who reported some issues and pull-requests.