You can keep notebooks stored in plain-text and have them synchronized with a directory on your mobile device, SD card or Dropbox.
Notebooks are saved in Org mode's file format. “Org mode is for keeping notes, maintaining TODO lists, planning projects, and authoring documents with a fast and effective plain-text system.” See http://orgmode.org for more information.
• Unfold entire subtree on folding button long-click
• Preference for default note view mode (view, edit or last used)
• Preference for displaying checkmarks in widgets
• Fast scroller in notebook and search results
• Share a link to locally stored image with Orgzly (not always available)
• Prompt to save or discard changes on breadcrumbs follow
• Honor current level when creating new checklist item on the next line
Orgzly: Notes & To-Do Lists