> Well, ledger and hledger are different tools that use the same (very
> similar) data files. The invocation of each is different. org supports
> ledger out of the box but not hledger.
>
I prefer beancount (very similar to ledger but stricter): beancount supports
org out of the box! My beancount file is an org file (with structure, tasks,
priorities, agenda, etc. except :CLOCK:) and it parses correctly as a ledger.
So I don't use beancount support in org, but the reverse.
It also includes Emacs mode, fontification, autocomplete, …
http://furius.ca/beancount/