ESMira is a tool developed for research projects using Experience Sampling Method (ESM, AA, EMA, …) designs. ESMira offers a very simple set-up process and ease of use, while being free, decentralized, and open-source. Study administrators can install ESMira on their own webspace without needing much technical knowledge, allowing them to remain independent from third-party services.

A list of Free Software network services and web applications which can be hosted on your own servers.

Ente Photos is the private, secure, end-to-end encrypted photo storage app. Cross-platform, open source, and self-hostable. Get started with 10GB free.