UExpress

Official website of famous syndicated comics, editorial columnists and popular newspaper features. See Cathy, Doonesbury or Garfield comics online. Read Dear Abby and William F. Buckley Jr. Purchase authorized merchandise online.
http://www.uexpress.com/

King Features Syndicate - Comics

KFS has a load of comics and strips online from classic cartoons over adventure strips to modern humor. To name but a few: Spider-Man, Andy Capp, Beetle Bailey, Flash Gordon, Hagar the Horrible, the Phantom, Popeye, Zippy the Pinhead and Zits.
http://www.kingfeatures.com/comics/

Tribune Media Syndicate (ComicsPage.com)

Many classic adventure and gag comics here, updated daily. Includes Annie, Mother Goose and Grimm, Broom Hilda, That's Jake, Dunagin's People, Dick Tracy, Brenda Starr, Dave, Gil Thorp, Shoe, Gasoline Alley, and Fred Basset.
http://www.comicspage.com/

Snob's Daily

A daily gathering of original comic strips as presented by the Art Comics Syndicate six days a week, Art Comics provides daily comic strip features to a variety of on-line publications such as newspapers, magazines, and other web stuff.
http://www.artcomic.com/snobs.html

CartoonStock

Comprehensive, searchable library of cartoons. Entries are catalogued by keyword, category and artists. With online examples and licencing information.
http://www.cartoonstock.com/

Open Prairie Syndicate

Online samples and strips from several creators working outside the mainstream media. Featuring John D. Anderson, Alison Bechdel, Jennifer Camper, David Gatzmer, Roberta Gregory, Joe Hoover, Robert Kirby, Richard MacPhie and Chris Monroe.
http://www.comicazee.com/index.html

Washington Post Writers Group

Syndicates strips such as Opus, Pickles, Red and Rover, and That's Life.
http://www.postwritersgroup.com

iSyndicate

The Internet Content Marketplace. Writers and cartoonists can sign up and have their content featured in the catalogue. Some webbased comics syndicated here.
http://www.isyndicate.com/

Creators Syndicate Comics

Read your favorite comics online. We've got The Wizard of Id, B.C., Liberty Meadows, One Big Happy, Rubes, Momma, Speed Bump, Rugrats, Teenage Mutant Ninja Turtles, Ask Shagg, Ballard Street, Strange Brew, Miss Peach, Any Capp, Zorro, and Penmen.
http://www.creators.com/comics/

Corbett Features Comics Syndicate

Syndicates comic strips, such as Misfits by Brian Codagnone and Rafferty by Barry Corbett.
http://www.corbettfeatures.com

ComicExchange

Free comic strips from more than 40 cartoonists to your site daily. Plus an ad banner exchange service.
http://www.comicexchange.com

Tribune Media Services, International

Offers full news and feature services, editorial cartoons and comics, online products and a vast array of digital photo and graphics packages. Represents the comics 9 to 5, Love is..., Sylvia, 9 Chickweed Lane, Dr. Katz, and others.
http://www.latsi.com

Comics.com

United Media offers online editions to many comic strips, like Alley Oop, Dilbert, Marmaduke, Nancy, and Peanuts.
http://www.comics.com