I think it's suitable to put this here. Jonathan Larsen told me that he has been not running Slackware for a while, and his SlackBuilds are up for grabs. Those are: graphics/goocanvas 0.15 libraries/frei0r 1.3 multimedia/openshot 1.2.2 network/strongswan 4.3.5 python/pygoocanvas 0.14.1