FortKnoxster AlternativesVideo Calling Apps & Instant Messengers like FortKnoxster

FortKnoxster is described as 'Multidevice easy-to-use private and secure messaging, calling, crypto wallet and cloud storage, using advanced end-to-end encryption and leveraging on blockchain technology' and is a Video Calling app in the social & communications category. There are more than 25 alternatives to FortKnoxster for a variety of platforms, including Web-based, Android, iPhone, Mac and Windows apps. The best FortKnoxster alternative is Signal, which is both free and Open Source. Other great apps like FortKnoxster are Telegram, WhatsApp, Wire and Molly.

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Alternatives list

  1. Signal icon
     1365 likes

    An open-source messaging app emphasizing privacy with encrypted communication. Share texts, calls, photos, and videos without ads or trackers, available across major platforms. Developed by Signal Technology Foundation and praised globally for security measures.

    216 Signal alternatives

    Cost / License

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • iPhone
    • iPad
    • Flathub
    • Ubuntu
    • Debian
    • Snapcraft
     
  2. Telegram icon
     2079 likes

    Maximize your messaging experience with efficient communication, speedy delivery, and optional end-to-end encrypted Secret Chats. Engage in unlimited channels and groups up to 200,000 members. Enhance chat management and media sharing with Telegram Premium and its exclusive benefits. All core features remain free.

    286 Telegram alternatives

    Cost / License

    • Freemium
    • Proprietary

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Android Tablet
    • HUAWEI AppGallery
    • iPad
    • Apple Watch
    • Android Auto
    • Linux Mobile
    • Android Wear
    • PortableApps.com
    • FreeBSD
    • Apple Car Play
     
  3. WhatsApp icon
     849 likes

    Exchange messages without SMS fees using this app for iPhone, Android and desktop, featuring group chats, multimedia sharing, and video calls. The app requires an internet connection and the latest version for optimal functionality.

    251 WhatsApp alternatives

    Cost / License

    • Free
    • Proprietary

    Application type

    Platforms

    • Mac
    • Windows
    • Online
    • Android
    • iPhone
    • iPad
    • Apple Watch
    • Android Auto
    • Android Wear
    • Apple Car Play
     
  4. Wire icon
     313 likes

    Wire is the most secure collaboration platform featuring messenger, voice, video, conference calls, file-sharing, and external collaboration –all protected by the most secure end-to-end-encryption.

    282 Wire alternatives

    Cost / License

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Self-Hosted
    • F-Droid
    • Software as a Service (SaaS)
    • Flathub
    • Snapcraft
     
  5. FluffyChat icon
     37 likes

    FluffyChat is an open, nonprofit and cute matrix messenger app for Ubuntu Touch, Android and iOS.

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    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Snapcraft
    • Flathub
    • Ubuntu Touch
    • F-Droid
    • Matrix.org
     
  6. Briefing icon
     29 likes

    The preservation of privacy is the main driver for this project. Secure technologies, such as WebRTC, are used to establish a direct connection between the participants. The website that provides the web application and mediates the communication stores as little data as...

    Cost / License

    Application type

    Platforms

    • Online
    • Self-Hosted
    • npm
     
  7. Status icon
     22 likes

    Status combines a private messenger, secure crypto wallet, and Ethereum Web3 DApp browser into one powerful communication tool. Chat with friends and growing communities. Buy, sell, store, and exchange digital assets.

    175 Status alternatives

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • iPhone
    • F-Droid
     
  8. Kosmi icon
     27 likes

    Kosmi is a free real time application and communication platform that offers voice, text and video calls along with games and applications such as SNES Party, NES Party, OpenArena, Poker, Virtual Cardtables, Synced YouTube and Cowatch Video.

    154 Kosmi alternatives

    Cost / License

    • Free
    • Proprietary

    Application type

    Platforms

    • Online
     
  9. Olvid icon
     10 likes

    The most secure messaging app in the world.

    159 Olvid alternatives

    Cost / License

    • Freemium
    • Open Source

    Application type

    Platforms

    • Android
    • iPhone
    • Android Tablet
    • iPad
     
  10. TeleGuard icon
     8 likes

    TeleGuard is the data-secure messenger from Swisscows. TeleGuard encrypts every message and all telephone calls with encryption algorithm currently available: SALSA 20. TeleGuard servers are located in Switzerland, they are not subject to the data protection laws of the EU /...

    145 TeleGuard alternatives

    Cost / License

    • Free Personal
    • Proprietary

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • iPhone
    • Snapcraft
     
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