15 Best Instant Messaging Apps.

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RemovedUserList by RemovedUser, last updated 
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  1. Status icon

    Status

     Like

    Open Source: Yes. E2EE: Yes. F-Droid: Yes. Phone Number Or Email For Registration: Not Required.

    Cost / License

    • Free
    • Open Source

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • iPhone
    • F-Droid
    • APK Downloader
    Status screenshot 1
    Status screenshot 2
    Status screenshot 3
  2. Session icon

    Session

     Like

    Open Source: Yes. E2EE: Yes. F-Droid: Yes. Phone Number Or Email For Registration: Not Required.

    Cost / License

    • Free
    • Open Source

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • iPhone
    • iPad
    • F-Droid
    Session screenshot 1
    Session screenshot 2
    Session screenshot 3
  3. Wire icon

    Wire

     Like

    Open Source: Yes. E2EE: Yes. F-Droid: Yes. Phone Number Or Email For Registration: Required.

    Cost / License

    • Free Personal
    • Open Source

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Self-Hosted
    • F-Droid
    • Software as a Service (SaaS)
    Wire screenshot 1
    Wire screenshot 2
    Wire screenshot 3
  5. SimpleX Chat icon

    SimpleX Chat

     Like

    Open Source: Yes. E2EE: Yes. F-Droid: Yes. Phone Number Or Email For Registration: Not Required.

    Cost / License

    • Free
    • Open Source

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • iPhone
    • Self-Hosted
    • Flathub
    • F-Droid
    • Flatpak
    SimpleX Chat screenshot 1
    SimpleX Chat screenshot 2
    SimpleX Chat screenshot 3
  6. Cwtch icon

    Cwtch

     Like

    Open Source: Yes. E2EE: Yes. F-Droid: No. Phone Number Or Email For Registration: Not Required.

    Cost / License

    • Free
    • Open Source

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    Cwtch screenshot 1
    Cwtch screenshot 1
  7. Speek! icon

    Speek!

     Like

    Open Source: Yes. E2EE: Yes. F-Droid: No(Only Desktop). Phone Number Or Email For Registration: Not Required.

    Cost / License

    • Free
    • Open Source

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    Speek! screenshot 1
    Speek! screenshot 1
    Speek! screenshot 2
    +1
    Speek! screenshot 3
  8. Threema icon

    Threema

     Like

    Open Source: Yes. E2EE: Yes. F-Droid: Yes. Phone Number Or Email For Registration: Not Required.

    Cost / License

    • Paid
    • Open Source

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Android Tablet
    • HUAWEI AppGallery
    • iPad
    • F-Droid
    Threema screenshot 1
    Threema screenshot 2
    Threema screenshot 3
  9. Olvid icon

    Olvid

     Like

    Open Source: Partially. E2EE: Yes. F-Droid: No. Phone Number Or Email For Registration: Not Required.

    Cost / License

    • Freemium
    • Open Source

    Application types

    Platforms

    • Android
    • iPhone
    • Android Tablet
    • iPad
    Olvid screenshot 1
    Olvid screenshot 2
    Olvid screenshot 3
  10. Linphone icon

    Linphone

     Like

    Open Source: Yes. E2EE: Yes. F-Droid: Yes. Phone Number Or Email For Registration: Required.

    Cost / License

    • Free
    • Open Source

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • iPhone
    • Android Tablet
    • iPad
    iOS Assistant
    iOS Assistant form
    iOS Dial
    +7
    Main page on Windows
  11. Delta Chat icon

    Delta Chat

     Like

    Open Source: Yes. E2EE: Yes. F-Droid: Yes. Phone Number Or Email For Registration: Required.

    Cost / License

    • Free
    • Open Source

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Snapcraft
    • Flathub
    • F-Droid
    Delta Chat screenshot 1
    Delta Chat screenshot 1
    Delta Chat screenshot 2
    +1
    Delta Chat screenshot 3
  13. Briar icon

    Briar

     Like

    Open Source: Yes. E2EE: Yes. F-Droid: Yes. Phone Number Or Email For Registration: Not Required.

    Cost / License

    • Free
    • Open Source

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • Flathub
    • F-Droid
    Briar screenshot 1
    Briar screenshot 2
    Briar screenshot 3
  14. Tox icon

    Tox

     Like

    Open Source: Yes. E2EE: Yes. F-Droid: Yes( aTox icon aTox And TRIfA icon TRIfA ). Phone Number Or Email For Registration: Not Required.

    Cost / License

    • Free
    • Open Source

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • Android Tablet
    • BSD
    • F-Droid
    The Universal Tox Client. A Tox client that runs on Android, iOS, Windows, Mac OSX, Linux, FreeBSD & the web. Written in JS using React & React Native / electron.
    qTox. A Tox client developed in C++ with the Qt framework
    uTox. A Tox client written in C using OS primitives to draw it's interface
    +5
    Ricin. A Tox client written in Vala using the GTK toolkit.
  15. TeleGuard icon

    TeleGuard

     Like

    Open Source: No. E2EE: Yes. F-Droid: No. Phone Number Or Email For Registration: Not Required.

    Cost / License

    • Free Personal
    • Proprietary

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • iPhone
    • Snapcraft
    TeleGuard screenshot 1
    TeleGuard screenshot 2
    TeleGuard screenshot 3
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