DHIS2 features a flexible, customizable and internationalized platform based on open-source principles and designed to run in resource-challenged environments
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DHIS2 is a web application based on standard Java technology. This means that the application runs on any Java enabled web server or servlet container, and can be accessed via a web browser over the Internet. DHIS2 can be deployed on a national online server or hosted in the cloud, as well deployed in an intranet offline setting.
Extensible with apps
DHIS2 is written in Java. Java applications runs on any platform for which there exists a Java Runtime Environment, in practice all popular platforms including Windows, Linux, Mac OS X and Solaris.
Runs on all major web browsers
Configured for mobile data entry
In addition to the standard web browser interface, DHIS2 is designed to allow data entry on mobile devices. The DHIS2 Android Capture App is an integrated mobile solution for Android phones and tablets developed by the DHIS2 core team. DHIS2 also provides an Android SDK to facilitate the development of custom mobile apps for the DHIS2 platform, and DHIS2 can be configured for data entry via SMS.
Licensed as open-source software
DHIS2 is released as free and open software under the BSD 3-clause license. This means that it is not only available for download free of charge, but you have access to the source code and may modify and redistribute the software in any way you like.
DHIS2 is a web application, however the data entry module can be operated without Internet connectivity. This means that if Internet goes down during a working session one can continue to enter data into the system. The data is stored locally in the browser and can easily be uploaded to the central server as soon as connectivity returns. This offline functionality is also included in the DHIS2 Android app for data entry on mobile devices.
DHIS2 has a modular architecture. From an implementation perspective this means that it’s possible to include the modules and the functionality which are required in your context and exclude what you don’t need. From a developer perspective this means that it’s easier to create functionality and plug it into the application without interfering with the existing source code.
Installable configurations based on global standards
DHIS2 has collaborated with WHO to create standardized data packages to strengthen data use for key health programs on a national and international level. The WHO configuration packages consist of DHIS2 metadata in .json format that provide standard configurations of DHIS2 according to WHO recommendations, aligned with a public health curriculum. These packages can be downloaded and installed in a modular fashion and modified to meet local needs.
DHIS2 is interoperable with other software applications in the domain like the iHRIS, the OpenMRS, and the WHO IMR, and typically plays an important role in assembling data from hospital, human resource and logistics systems into aggregate analysis and reports. DHIS2 also has a rich REST-based Web API which provides programmatic access to most parts of the system and can act as a platform for third-party Web portals and software clients.
The DHIS2 meta data model is completely flexible. This implies that no development effort is needed to cater for special requirements for data entry or analysis. For instance, the system allows you to define any data element for which to capture data and features a flexible hierarchy of organizational units.