Okay, seems like it's working again.
mailing list down
Spanish text not detected
moved to https://github.com/languagetool-org/languagetool/issues/196
Spanish: Gender and number mistakes not being caught
moved to https://github.com/languagetool-org/languagetool/issues/195
Allow to install dictionaries separately
Nobody has been working on this, although it's still an issue. If someone wants to...