On: Plain Text Accounting (PTA)

[ramses0]

hledger-ui

[simonmic → ramses0]

To be precise, hledger-ui is not an editor, but it can open hledger add, hledger-iadd, or your $EDITOR[1] for data entry, all of which can complete account names. Web guis like hledger-web and Paisa tend to complete account names as well.

[1] https://plaintextaccounting.org/#editor-plugins