
Email without Internet access can be done with the Yahoo open source software, Zimbra. Zimbra is open source messaging and collaboration unit, which is intended to override all related to Microsoft and Yahoo merger talk. Zimbra can be used for testing offline access, in particular YahooMail, Gmail, and AOL Mail.
Seeing the influence of POP (Post Office Protocol), IMAP, and iCal standard for calendar application, Yahoo Zimbra Desktop Beta 3 is designed to allow users to access their email application, with offline connection option. Zimbra functions as productive application that can help someone work with laptop in his business travel. For example, when in the plane or in places that does not have an Internet connection.
In addition, Zimbra Desktop can also work online to Zimbra Documents, a document and spreadsheet program that can facilitate users to send photos. This means that users can create and edit documents, spreadsheets without the need to switch between desktop programs, because everything can be done simultaneously. One of the features, Zimbra Briefcase can be easier for users to upload and access the spreadsheet and presentation documents, so that users do not need to save all files in an email attachment. Other features such as Zimbra Tasks, which facilitates the user to set the project on the date, priority, progress and completion percentage.