Dynalist - Dynalist is a web app that lets you break down and organize your thoughts in the format of lists.
Workflowy - A better way to organize your mind.
OmniOutliner - OmniOutliner is a writing app for collecting information, outlining ideas, adding structure to any sort of writing.
Outspline - Extensible outliner and personal time organizer to manage todo lists, schedule tasks, remind events.
Scrivener - Scrivener is a content-generation tool for composing and structuring documents.
Legend - Animate Text in Video & GIF