https://opendatakit.org/
Open Data Kit (ODK) is a free and open-source set of tools which help organizations author, field, and manage mobile data collection solutions. ODK provides an out-of-the-box solution for users to:
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ECHOcommunity.org is the online collaborative membership community of ECHO, an international nonprofit organization. ECHO exists to reduce hunger and improve lives through agricultural training and resources. Working through regional impact centers around the world ECHO connects small-scale farmers, and those working to eliminate world hunger, with essential resources, and each other. These resources include a vast knowledgebase of practical information, experienced technical support and an extensive seed bank focused on highly beneficial underutilized plants.