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Databag

Databag is a free, open-source messaging app for Android and iOS. A federated chat client designed for privacy and selfhosting. It has 1,504 GitHub stars and is released under the Apache-2.0 license, and you can install it from F-Droid, Google Play and the App Store.

github.com/balzack/databag (opens in a new tab)

Data as of from the GitHub API and the F-Droid index; description from the project's repository or F-Droid listing. Report an error

Get it on F-Droid (opens in a new tab)Google Play (opens in a new tab)App Store (opens in a new tab)View on GitHub (opens in a new tab)

About Databag

Notable features of Databag include: - Decentralized (direct communication between app and selfhosted server) - Federated (accounts on different nodes can communicate) - Public-Private key based identity (not bound to any blockchain or hosting domain) - End-to-End encryption (the hosting admin cannot view sealed topics, default unsealed) - Audio and Video Calls (nat traversal requires separate relay server) - Topic based threads (messages organized by topic not contacts) - Lightweight (server can run on a raspberry pi zero v1.3) - Low latency (use of websockets for push events to avoid polling) - Unlimited accounts per node (host for your whole family) - Mobile alerts for new contacts,…

Privacy and F-Droid

F-Droid builds Databag from its published source code and flags anti-features such as ads, tracking or reliance on non-free services.

No anti-features flagged on the latest F-Droid build.

Screenshots

  • Databag screenshot 1
  • Databag screenshot 2
  • Databag screenshot 3

Screenshots from the app's F-Droid listing.

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FAQ

Databag FAQ

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Is Databag free and open source?

Yes. Databag's source code is public on GitHub under the Apache-2.0 license, which is OSI-approved or FSF-free. F-Droid, which builds it from source, flags no anti-features such as ads or tracking on its latest build.

How do I install Databag?

You can install Databag from F-Droid (package com.databag), from Google Play and from the App Store; the links are on this page. Its GitHub repository also publishes releases (latest: v1.1.1021).

Is Databag still maintained?

The repository's most recent commit was on Jun 14, 2026. Its F-Droid listing was last updated on Jun 24, 2024. appsgit only lists apps whose repository had a commit in the last six months.