Hammer

A free, open source story editor for novelists. Scenes you can reorder, an encyclopedia that shows you which scenes your characters are in, a timeline, notes, and stats to help you reach your writing goals. All as plain text files on your own device. Send scenes to your editor for revisions, or share your story with beta readers. Works fully offline on every device you own: Windows, macOS, Linux, Android and iOS. Use a sync server to keep your work up to date across all devices.