DAViCal is a server implementation of the CalDAV protocol for storing calendaring resources (in iCalendar format) on a remote shared server. An increasing number of calendar clients support the maintenance of shared remote calendars through CalDAV including Mozilla Calendar (Sunbird/Lightning), Evolution, Mulberry, Chandler, and various other closed-source products such as Apple's iCal and iPhone. DAViCal supports basic delegation of read/write access among calendar users, multiple users or clients reading and writing the same calendar entries over time, and scheduling of meetings with free/busy time displayed.
Datum is a Web application which shares data from databases and information related to these databases. The core of the software provides user management and permissions, news, file sharing, visualisation of the database schema through WWWSQLDesigner, data reports with charts, dynamic charts, an asynchronous daemon, internationalization, a help system, database management with optimization and triggers, and user history. Modules can be added to add special functionalities or interfaces for a database.
Dmailer Backup provides a fast, easy way to backup all of your photos, videos, music files, and important documents. It includes access to a free online backup service with 2GB of space, but can also perform backups locally to any storage device such as an external hard drive, USB device, or MP3 player. Data can be backed up automatically and continuously. Information is password protected and encrypted with 128-bit AES encryption.
Dolibarr is a simple Web application with ERP and CRM capabilities. It is designed for small and medium companies, freelancers or foundations, and can be used to deal with all things you require to manage your activities, such as management of products, stocks, commercial proposals, invoices, orders, members of a foundation, and mailings. A single executable that installs the server and database is available for people with no technical knowledge.
DomCore is a set of PHP Foundation classes which are ready to be extended to give basic capabilities to your applications. It features a powerful template replacement engine, a language engine for I18N, an extended debugging mode, enhanced error and exception management, Java-like programming (you can't use a class attribute without declaring it first), serializable class management, mass file operations (full directory copy and delete), shared memory management, multi-level caches on data sources, and implementation of programation patterns.
DoudouLinux is a system specially designed for children 2 years and up. It is available as Live CDs and USB keys as well as ARM images. The main goals are to be as easy to use as a game console, provide as many kid-oriented applications as possible (currently around 50), drive small children into mastering computer use from age 2, be natively in child-friendly language without any action, be simple for Dad and Mom too (no administration, no updates; it’s a read-only system). It includes Web content filtering.