Evernote allows users to take notes, save webpages, photos and files in a searchable digital notebook that can be accessed from any device with an internet connection. Dropbox provides online file storage and syncing across devices so that files are always up to date. Google offers many free "cloud" services including Gmail for email, Google Docs for documents, Google Calendar, and Picasa for photo storage and sharing, all of which can be accessed from any computer through an internet browser.