Apps with 'Plain text authoring' feature
- Standard Notes is a simple and private notes app. It allows you to write and sync your notes across all your devices, including your iPhone, iPad, Mac, and web browser.
- The merge of convenience and cool! Hovercraft! is a tool to make impress.js presentations from reStructuredText.
- Vimwiki is a personal wiki for Vim -- a number of linked text files that have their own syntax highlighting.