Yellow Brick Ramble!

Other Ozzy Webcomics

Lit Brick by Jodie Troutman
Comic strips about various works of literature. She covers Oz too.
Namesake by Megan Lavey-Heaton & Isabelle Melançon
Without giving anything away, it's a webcomic about traveling to alternate dimensions. Oz plays a big part.
The Oz Series by Shawn Cheng
Single page summaries of the Oz books. I'm counting this as a webcomic for the purpose of the list because these comics that are online. (complete)
The Patchwork Girl of Oz by Otis Frampton
A direct adaptation of the Patchwork Girl of Oz. It seems pretty cute so far!
Skin Horse by Shaenon K. Garrity & Jeffrey C. Wells
Project Skin Horse is a top-secret U.S. government organization devoted to helping non-human sapients. All of the main characters are analogs to characters from the Oz books. (complete)
The Wonderful Wizard of Oz illustrated by Evan Dahm
Okay, it's not a webcomic, but the original book illustrated by a webcartoonist. (complete)
Yellow Brick Road by Stephan Krosecz
Another retelling of the Wizard of Oz with elements of the other books! I love the interpretations of the characters in this one!
The Black Brick Road of O.Z. by Xamag
Read this with the understanding that it ends on a cliffhanger, but it's a pretty fun comic. (canceled)

Ozzy Fan Fiction

Patient by ErinPtah
Dorothy Gale, age seventeen, wakes up in a mental hospital with no memory of the past eight years. This one is by a webcartoonist! (complete)
Blackberry Stone by IspeakfortheQueen
Or Dealing with Your Repressed Childhood Trauma and Allowing Yourself to Be Vulnerable with Your Hard Won Found Family in Oz. (mostly complete)
The Royal Wedding of Oz by biichan
In which Ozma celebrates her birthday, unwanted guests refuse to leave, and there is still a happily-ever-after. (complete)
Get Lost With Me by twenty_four_manticores
Button-bright meets Ojo for the first time and has feelings. (a gay meet-cute) (complete)
Hit the Bricks - an Oz radio play podcast. (radioplays count as fanfiction)
100 years after L. Frank Baum's saga that began with The Wonderful Wizard of Oz, the Gale Family Farm sits abandoned in what's left of the great Kansas prairies. After her parents' messy divorce, Jessi Hugson and her mother move to Dorothy's old neighborhood for a new beginning. Things were already off to a shaky start, but when Jessi and her cousin Wallace find a jewel-studded bracelet in Dorothy's front yard...things get twisted. Twister'd, even. (hiatus)

Non-Oz Webcomics That You Should Really Read

My Other Webcomics & Online Comics
I'm making a distinction between "webcomic" and "online comic" here, as I've included some e-books and non-indie works in this list.

Gastrophobia title image

Gastrophobia/Pepsiaphobia shared archive

Gastrophobia is about the adventures of a single mom Amazon in Ancient Greece named Phobia, her precocious kid, and a Greek slave named Klepto who Phobia pretends to not to have a thing for. A situational comedy with time travel, shapeshifting bird people, talking horses, and a transgender bug monster. Technically speaking, Gastrophobia is complete
Pepsiaphobia is the on-hiatus sequel where Phobia's kid comes out of the closet.

Select chapters from Paradox Space, the Homestuck anthology

In particular, Con Faire, Ace Sleuth Jane, & Holiday Activity Pages
Note: these were drawn before I transitioned, so they're credited under my deadname.

Let's Print A Comic! (& Not Screw it Up) e-book

A 40-page nonfiction graphic novel guide to prepress.
Words by Rhiannon Rasmussen-Silverstein; drawings by myself.

☞ I have even more comics for sale as ebooks!