It seems every good option is paid, and all others are either discontinued (trelby, fountain) or filled with commercial and AI tools (Story Architect)
This is weird and discouraging, coming from the novel world where you could use a plain markdown editor and export it to epub/pdf/whatever you need. Anyone know of something better for screenwriting?
There is Fountain which is basically Markdown for screenwriting.
They have a list of apps supporting the format: https://fountain.io/apps/