Story Trainer, a self-guided tool for learning story structure
Structured writing guide based on workshop notes, but it's static content not a tool.

Navigation and edits are - I'd like to think - fast and intuitive.
Complex storylines involving multiple characters, multiple POVs, and multiple timelines, can all be tracked.
Intended for use both by outliners - those who plan upfront, before writing the story - and pantsers - those who write without a plan, helping to keep track of their story while they write it.
Try the demo before signing up for a free account.
Structured writing guide based on workshop notes, but it's static content not a tool.
Niche brainstorming tool for fandom writers, but GPT4All and general LLMs already do this.
AI video branching narratives sound cool, but execution clarity and differentiation from Synthesia/Runway are unclear.
Local-first writer harness but essentially a GUI wrapper around llama.cpp with workflow paradigms.
Text-only HTML plots that look identical to terminal output — clever portable visualization.
Git-style branching for sentences, but the beta warns of data loss.