https://hackmd.io/@tomfoolery/thetradetable
https://hackmd.io/@Ip74OTHpTnqviXBZIUJWXQ/bearbrotherscleaning
https://hackmd.io/@PGeIj1MKQsSoXkhAQY_IGw/trihazsolutions
https://hackmd.io/@iB8kYHegRReLdU5jI9bxzQ/plasticfusion
https://ants.widblog.com/81932945/diverse-uses-of-hackmd
http://forum.anomalythegame.com/viewtopic.php?f=24&t=163601&p=620888&sid=c141c77dd48f97e81c9b12487d9ef657#p620888