Design/Guidelines

Concept

 * Follow the LibreOffice vision "Simple for beginners and powerful for experts".
 * Make sure both the interface as well as the workflow are designed to fit the persona(s) who will make use of it.
 * Prioritize non-functional aspects according the UX manifesto.
 * Application icons should convey the branding clearly.

Controls and Patterns

 * Provide access to all functions via the menu bar.
 * Provide access to most frequently used functions via the tool bar.
 * Provide access to context functions via the context menu.
 * Provide access to context properties via the side bar.
 * Use controls for selection depending on content.
 * Provide comprehensive access to all features in property dialogs.

Writing for the UI

 * Ensure that your UI copy reads well, uses consistent spelling and microtypography, and is accessible to English speakers of any level.

Legacy stuff
The previous version of this page can be found here.