The sheet can be used from other apps to add images, links, files and text to any Agenda note, and without launching Agenda. You’ll simply see the new Agenda option on the share sheet alongside other platforms, and it’s available on macOS and iOS. The new share sheet extension for Agenda means that you can easily add images, links, files, and text from another application to a note in Agenda. A new update this week brings a few new features, including share sheet integration, templates, and more. The app employs a date-focused approach to organizing your notes, projects, and ideas. Agenda is one of the most popular note-taking apps on iPhone, iPad, and Mac.