https://web.archive.org/web/20240430091654/https://pdworkman.com/writing-a-novel-in-markdown/
A full description of PD Workman's workflow writing a book in markdown and Obsidian. Mentions using Canvas and Excalidraw to visualise plot development, as well as Kanban style boards. Mentions compiling tools to create manuscript from loose files. Seems similar to Scrivener except that has this baked in and thus less flexible?