Messenger Comparisons – Threema, Signal, Telegram and WhatsApp

This page summarizes the projects mentioned and recommended in the original post on news.ycombinator.com

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  • client

    Keybase Go Library, Client, Service, OS X, iOS, Android, Electron

  • While I put high hopes in Keybase and the chat was solid, it's a zombie app at this point. The project came to a halt when they got acquired by Zoom, as evidenced by [1].

    [1] https://github.com/keybase/client/graphs/contributors

  • threema-android

    Threema App for Android.

  • https://github.com/threema-ch/threema-android/commits/main

    It's one commit per version. Contributions go to a private email instead of a public mailing list. All development happens in private and pushed to the public in a version bump with no changelog.

    So yeah it has an AGPL License (which is good) and meets the minimum of FOSS requirements, but it gives of the feeling that they're following the letter, but not the spirit of FOSS.

    I would definitely not use it or push any friend to use it.

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  • LibreSignal

    LibreSignal • The truly private and Google-Free messenger for Android.

  • I don't think that Signal which is refusing forks or third party clients is any better aligned with the FOSS spirit..

    https://github.com/LibreSignal/LibreSignal/issues/37#issueco...

    "You're free to use our source code for whatever you would like but you cannot use our servers" and they also refuse alternative servers or federation.

    So basically you cannot create any fork or alternative client or make any change without their agreement.

    They are very "Apple-like" in a way, "we known what's good for you, so just agree with us and don't try to go outside of what we want".

    They also refuse to be on F-Droid for plainly false arguments. F-Droid offers double security : author signature + reproducible builds yet they keep pretending that you cannot sign apks on F-Droid and force you to download a non-externally verified apk on their website

    Signal in itself is great but the people behind are not reassuring at all I think.

NOTE: The number of mentions on this list indicates mentions on common posts plus user suggested alternatives. Hence, a higher number means a more popular project.

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