Erik Hetzner


Some projects I’ve worked on over the years.


  • xjslt an experimental XSLT 2.0 implementation in typescript that compiles to javascript
  • ledger-autosync automatically synchronize your bank’s information with ledger or hledger.
  • zotxt / zotxt-emacs a Zotero extension for supporting utilities that deal with plain text files (e.g., markdown, reStructuredText, latex, etc.)
  • Translator Framework for Zotero: Easily write screenscrapers for Zotero
  • Spydaap: DAAP Server
  • ervin: A FRBRized system for online collections


  • “A simple method for citation metadata extraction using hidden Markov models”. Proc. of the Joint Conf. on Digital Libraries, Pittsburgh, Pa., 2008 (PDF) Slides (PDF) and code also available.


Made with Emacs Org mode