StorifyMe - Create amazing web story experiences and engage your audience outside of social media
Plot Factory - Online story planner, organizer, and writing application.
ShiftX - A user-friendly, drag-and-drop, process visualization tool with connected data.
Scrivener - Scrivener is a content-generation tool for composing and structuring documents.
Flowkit - Sketch library for user flows/content maps/annotations
World Anvil - World Anvil is a worldbuilding tool for Authors, Storytellers and worldbuilding lovers.