Tapas - Tapas – Comic, Novel and Stories is free to use digital comic application by Tapas Media that puts tens of thousands of comics and web novel on your mobile device.
GlobalComix - Professional Comics Publishing
Piperka - Webcomics listing and subscription manager
Comixology Unlimited - Netflix for comics and graphics novels by Amazon
Comic Shuffle - StumbleUpon for web comics
webcomic.app - Add motion and sound to your webcomics.