FreeField is a complete self-hosted web solution for members of Pokémon Go communities to report field research tasks to their community. It is open source and available for download and installation for free.
Want to try it out? Head over to the documentation for information on how to set it up!
Neither FreeField, nor its developers, are related to, or affiliated or associated with, Niantic, The Pokémon Company, or any other companies. FreeField is a fully independent, community driven project.