Todoist - Todoist is a to-do list that helps you get organized, at work and in life.
Marvel (Comics) API - Create awesome stuff with the world's greatest comic API
TaskPaper - Plain text to-do lists for Mac
DC Universe - The DC Comics streaming service w/ original content
TickTick - TickTickis a cross-platform to-do list app & task manager helps you to get all things done and make life well organized.
Comixology Unlimited - Netflix for comics and graphics novels by Amazon