Enketo Smart Paper - Web forms evolved. Deploy and conduct surveys that work without a connection, on any device.
DHIS2 - Manage aggregate data with a flexible data model which has been field-tested for more than 15 years.
Ona - Mobile Data Collection solution and application that empowers field teams. Ona provides a web and mobile app that allows the monitoring of real time field data both online and offline.
Logiak - No-code cross-platform mobile and web systems builder. 100% no code: low learning curve. Powerful support for data collection and decision logic.
CommCare - The digital platform for impactful frontline work everywhere
Open Data Kit - The Open Data Kit community produces free and open-source software for collecting, managing, and using data in resource-constrained environments.