barile
Re:Ask HN: What do you use for recurring billing?
on Friday March 31, 2017 @03:12PM (#14007138)
Open Source http://killbill.io/subscription-billing/
Re:Ask HN: How does your team write documentation? What tools do you use?
on Thursday February 25, 2016 @09:10AM (#11174460)
swagger.io for the apis + README.md on each service's repo
Re:I can build an forever-free and anonymous personal finance web app
on Thursday June 18, 2015 @12:30PM (#9739722)
Doesnt look like a problem worth pursuing in 2015. Take a look at http://www.ledger-cli.org/ and their libraries on github (there are haskell ports and a web frontend)