I tried zappl for the very first time today. Right now it's very slow (but I guess that's because after the reboot everybody tries to login).
And: I think there is a problem with your UTF-8 support. At least I can't read the German umlaut "ü" I used in my first post: https://steemit.com/zappl/@nevid/der-titel-ist-auch-in-zappl-ein-pflichtfeld