ODK Collect

ODK Collect is an open-source Android app for offline mobile data collection using XLSForm-based forms, written in Kotlin. It has been used to gather billions of data points and is a core field-data tool for African health, agriculture, election-monitoring and research programmes. It is Apache-2.0 licensed and actively maintained by the ODK community.

Category

Open Source

Pricing

Free / open-source

Country

🇳🇬 Nigeria

Last verified

5 Jul 2026

Related in Open Source

Ona Data (onadata)

OSS

Django and Python data-collection, aggregation and sharing platform from Ona, the Nairobi-based data company. It ingests XLSForm and ODK submissions and exposes them via API for analysis, and is used across African health, agriculture and humanitarian survey programmes. It is released under a BSD 3-clause license.

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Data collection

Verified Jul 2026Free / open-source