If you don’t care about mobile, Anno [1] is nice. It’s very simple; just a web-based UI for Markdown files. There’s an okay-ish PDF feature as well. [1] https:

If you don’t care about mobile, Anno [1] is nice. It’s very simple; just a web-based UI for Markdown files. There’s an okay-ish PDF feature as well. [1] https://github.com/gwgundersen/anno https://github.com/gwgundersen/anno