Tella FOSS is the fully Free and Open Source version of Tella for Android that doesn't contain any closed-source or proprietary library or dependency. It includes all core features—secure media capture, encrypted storage, camouflage mode, file organization, and integration with open platforms like ODK and Tella Web.
We are in the process of merging Tella Android and Tella FOSS into a single codebase.
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Horizontal
tella-app.org/
github.com/Horizontal-org/Tella-Android-FOSS