Oh, we're sharing web comics?
Here are some good ones that are still updating:
Harpy Gee,
Blade Under Mask, and the
The Property of Hate, and
Parhelion.
Broodhallow is a bit stop-and-start, but it's still continuing.
And here are a few that finished... a while ago:
Digger,
Hotblood,
Rice Boy, and
Water Phoenix King.
Of those, I'll warn you ahead of time that Water Phoenix King's art is... passable. It's got a
very good story, though. Also, Parhelion and Hotblood contain homosexuality if that's a "thing" that you care about.
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Those are all adventure-y ones. I've got a list of... more out there stuff, too:
Fleep: A man wakes up in a phone booth contained in concrete, with no memory of how he got there.
Tragedy Series: Secret lobster claws.
Anders Loves Maria: She's reposting this with better art at anderslovesmaria.com, but... well... it gets really
really depressing. Also, it's slice of life/drama in the real world.
1/0: It is precisely 1000 strips long, considers the 4th wall to be
entirely non-existent, and consists of a long conversation between the writer and the characters about... stuff. It's perhaps one of the most bizarre things I've read that hasn't slipped into raw dada.