Apps similar to Character Notes include Scrivener. It's paid, but Quoll Writer and 16Core Character Mapper are free. Other options are Fortelling, Campfire Write, Metos and NovaScriber. You can choose from more than 10 Novel Authoring Tools like Character Notes for Windows, Mac, the web, Android and iPhone.
A web-based writing app. It is designed by novelists to have the tools and workflows they need yet be simple to use, and runs on every device (Windows, Mac, phones, etc).
Storyline Creator is an elegant tool to write stories ranging from short stories to novels. It makes it a breeze to draft ideas and to organize your scenes, characters and researched material - so you can focus on the creativity instead of the paper war.
This app is intended to be used for novel planning, particularly character development.
