I write a newsletter called Applied Dilettantery. Season 1 was primarily life updates and reviews of my media diet. Season 2 was short, stream-of-consciousness essays about ideas that grabbed my attention, released biweekly. Season 3 was a weekly series of short stories. Season 4 is a weekly dump of my favorite links of the week, and occasionally short essays when I feel like it. Someday there will be a season 5.
I sometimes write fiction.
I keep a list of technical resources in programming and mathematics that I like.