Apps with 'Track Characters' feature
Open-source tool for writers. With outliner, character management, plot development, distraction-free editor, etc.
A visual story plotting tool that makes it simple to plan out your next novel. Drag and drop scenes, and plot lines. Keep all your notes in one place. It helps you to organize, simplify, and have more time for writing!.
The Aurora Builder is a free tool that lets you create characters for your dungeons and dragons game using the bundled content, your own content, and content created by others.
Online story-writing platform. Only $30/year. Organize your stories, track characters and locations.