Fridays, there’s Conny. Tuesdays or Wednesdays, there’s Something Else.
Gate Crash, as a weekly webcomic, includes titles like Reception Man, codename: olga and the Max Files as well as arts and sketches and stuff. Look for their own pages for details.
Gate Crash also includes stuff that hasn’t made its own series (yet), unsorted comics or prose. That’s Gate Crash in the stricter sense. Here’s a handy list of those: