Off the top of my head
>Gotham City Monsters
>Green Lantern
>Justice League Yes, yes, yes. I know. Everyone hate Snyder.
>Detective Comics
>Dial H
>Wonder Twins
>Catwoman Give me a reason other than hating King.
>Supermans Pal Jimmy Olsen
>Batman: Last Knight on Earth
>Red Hood & the Outlaws
>Justice League Dark
>Batgirl I've stopped reading it from issue 36, but I'm not sure if it's still good IMO.
>Doom Patrol
>Deathstroke
>Batman: Curse of the White Knight
>Harley Quinn
>Shazam
>Supergirl
>Superman: Year One
>Terrifics
>Batman: Creature of the Night
>Martian Manthunter
>Collapser
These are the DC comics I read on a monthly/weekly/whatever basis.
I find it sad that Batman, Flash, Wonder Woman, Aquaman and Superman aren't on my list on their main ongoing.