for anyone who likes using #Slackware and wishes to support it after the shutdown of the #Slackware store, use this link: https://www.patreon.com/slackwarelinux/overview
Patrick Volkerding (the project's BDFL) has confirmed it's legitimacy (https://www.linuxquestions.org/questions/slackware-14/is-this-patreon-account-legit-4175658493/page4.html#post6021503)