# Hacking Erpel Hacking Erpel (short HEPL) is a currently irregular Free Software Hacking event happening between Bonn and Koblenz in [Erpel][]. [[!map pages="hepl/* and ! hepl/*/*"]] There's a [mailing list][] too that will get announcements of upcoming HEPLs. [Erpel]: https://de.wikipedia.org/wiki/Erpel [mailing list]: https://lists.sigxcpu.org/mailman/listinfo/hepl