Evernote is a note-taking and task-management application developed by the Evernote Corporation. It is designed for archiving and creating notes with embedded photos, audio, and saved web content. Notes are stored in virtual "notebooks" and can be tagged, annotated, edited, searched, and exported. Evernote is available on Android, iOS, macOS, Chrome OS (via Web), Microsoft Windows, as well as a web client. It offers free and paid plans for use. Some key features of Evernote include:

• Note-taking: Users can create and organize digital notes, and keep them synced across all their devices.

• Task management: Users can create and assign tasks inside their notes with due dates, flags, and reminders.

• Web clipping: Evernote web-clipping plugins are available for most popular Internet browsers and allow marked sections of webpages to be captured and clipped to Evernote.

• OCR and handwriting recognition: In addition to keyboard input of typed notes, Evernote also supports image capture from cameras on supported devices and voice note recording. In some situations, text that appears in captured images can be recognized using OCR and annotated. Evernote also supports touch and tablet screens with handwriting recognition.

• Collaboration: The service allows selected files to be shared for viewing and editing by other users. Users can also create shared Spaces to bring people, projects, and ideas together.

Evernote is relatively easy to use, with a shallow learning curve. It is a versatile and well-supported note-taking app that can help keep users productive and organized. However, there are other note-taking apps available that may be better suited for users with specific needs.