blackwind_123: from what i remember, it has a nice GUI webapp interface. i leaned towards that, as managing babel block sessions is not something i've gotten really good at. though i did make it through the org-mode/ledger tutorial.
the ledger file was nice enough to edit directly at times, and there is an emacs major mode to assist.
so in total, there are three haskell apps: xmonad, hledger and pandoc.
,haskell is also "so in total, there are three haskell apps: xmonad, hledger and pandoc."