GPG-encrypted E-mail (preferred): See the GPG page
E-mail (preferred): contact [at] pussthecat [dot] org
Matrix: [at] thefrenchghosty [colon] pussthecat [dot] org
XMPP (use either OMEMO or unencrypted) (rarely used): thefrenchghosty [at] disroot [dot] org
Fediverse (Mastodon): @TheFrenchGhosty@libretooth.gr
Public Matrix discussion and status room of PussTheCat.org, and all my projects: #pussthecat.org:pussthecat.org