DHIS 2 is a software for collection, analysis, validation and presentation of aggregate (statistical) data, tailored (but not limited) to integrated health information management activities. It is a generic tool rather than a pre-configured database application, with an open meta-data model and a flexible user interface that allows the user to design the contents of a specific information system without the need for programming. DHIS 2 and upwards is a modular web-based software package based on free and open source Java frameworks such as Spring, Hibernate and WebWork.

The DHIS 2 is developed by the Health Information Systems Programme (HISP) as an open and globally distributed process with developers (currently) in India, Vietnam, Ethiopia, Tanzania, Tajikistan, Ireland, and Norway. The software is implemented in many developing countries in Africa and Asia, such as India, Vietnam, Tajikistan, Sierra Leone and Zanzibar.

All developers, implementers, translators and others are welcome to join this project, and to do so please send an e-mail to olatitle AT gmail.com, larshelge AT gmail.com or knutst AT gmail.com or refer to the project's web pages on hisp.info.


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What's New in This Release: [ read full changelog ]

· Offline data entry: The data entry module - if opened when online - is operational even without Internet connectivity. Data can be entered and stored locally while being offline and uploaded to the central server when online. This means that the online deployment strategy will be more viable in areas with unstable Internet connectivity. The total bandwidth usage is greatly reduced since forms no longer are retrieved from the server for each rendering.
· New Symbol layer in GIS: Data can be visualized as symbols rather than colors. The menu system has been improved to allow more space for the map itself and to emphasize the opportunity to load maps into separate layers to produce more advanced map views.
· Improved data mart performance: Now scalable on the number of CPU cores providing a near-linear performance boosts as new cores are added - for instance the processing time for our benchmark database on a quad-core processor was reduced to close to 1/4.
· Modal dialogs: All popups in the system have been replaced by modal dialogs - this has proved to be less confusing to inexperienced users.
· Conversations: The messaging system is now organized around conversations, making it easy to see the full history of an interaction between a super-user and an end-user for instance.