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FortKnoxster Alternatives

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 security & privacy category. There are more than 25 alternatives to FortKnoxster for a variety of platforms, including Android, iPhone, Online / Web-based, Windows and iPad. The best alternative is Signal, which is both free and Open Source. Other great apps like FortKnoxster are Telegram, Skype, WhatsApp and Wire.

FortKnoxster alternatives are mainly Video Calling Apps but may also be Group Chat Apps or Encrypted Chat Apps. Filter by these if you want a narrower list of alternatives or looking for a specific functionality of FortKnoxster.
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  • FreeProprietary
  • Online
  • Android
  • iPhone
  • Android Tablet
  • iPad
  • Microsoft Edge
  • Google Chrome
  • Software as a Service (SaaS)
  • Opera
  • Brave
  • Chromium
  • Firefox

FortKnoxster is a multidevice easy-to-use private and secure messaging, calling, crypto wallet and cloud storage, using...

Learn more about FortKnoxster

  1. Signal is a messaging app with an unexpected focus on privacy, combined with all the features expected from a modern IM app. Signal has received a lot of praise from all around the world for its security and privacy-respecting technologies.

    ⚫︎ End-to-End EncryptionSignal has E2E Encryption, for entire or parts of the app.
    ⚫︎ Privacy focusedSignal is considered a privacy friendly alternative.
    ⚫︎ Ad-freeSignal doesn't contain any form of external advertising.
    ⚫︎ Self destructing messagesSignal supports the use of private messages that will be auto deleted according to a specified time or action.
    ⚫︎ Dark ModeSignal supports dark mode for comfortable usage in low light conditions.
    ⚫︎ Works OfflineSignal can be used without the need to connect to the internet.
    ⚫︎ No TrackingSignal will not track or use your personal data.
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  2. Telegram icon

    Telegram

    • FreemiumProprietary
    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Android Tablet
    • HUAWEI AppGallery
    • Windows Phone
    • iPad
    • Apple Watch
    • Linux Mobile
    • Android Wear
    • PortableApps.com
    • FreeBSD

    Telegram is a messaging app created by former VK creators with a focus on speed and security. It’s superfast, simple and free. It is like SMS, but more powerful.

    ⚫︎ LightweightTelegram consumes less device resources compared to similar apps.
    ⚫︎ Ad-freeTelegram doesn't contain any form of external advertising.
    ⚫︎ End-to-End EncryptionTelegram has E2E Encryption, for entire or parts of the app.
    ⚫︎ Privacy focusedTelegram is considered a privacy friendly alternative.
    ⚫︎ Dark ModeTelegram supports dark mode for comfortable usage in low light conditions.
    ⚫︎ PortableTelegram can be used from a USB stick or similar with no prior installation.
    ⚫︎ Works OfflineTelegram can be used without the need to connect to the internet.
    ⚫︎ Multiple Account supportTelegram support multiple accounts without the need to logout and login
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    Telegram Desktop


  3. Skype icon

    Skype

    • FreemiumProprietary
    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Blackberry
    • Chrome OS
    • Windows S
    • Android Tablet
    • BSD
    • Windows Phone
    • iPad
    • Android Wear
    • PortableApps.com

    Skype is the most popular free voice-over IP and instant messaging service globally. It allows users to text, video and voice call over the internet. Users can also call landlines and mobiles at competitive rates using Skype credit, premium accounts and subscriptions.

    ⚫︎ Screen SharingYou can use Skype to share your screen with your colleages or friends.
    ⚫︎ LightweightSkype consumes less device resources compared to similar apps.
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    Main window on MS Windows
  4. WhatsApp is an iPhone and Android messaging app which allows you to exchange messages without having to pay for SMS.

    ⚫︎ End-to-End EncryptionWhatsApp has E2E Encryption, for entire or parts of the app.
    ⚫︎ Dark ModeWhatsApp supports dark mode for comfortable usage in low light conditions.
    ⚫︎ Two-factor AuthenticationWhatsApp supports two-factor authentication (2FA).
    ⚫︎ Expiring StoriesYou can create, view, interact and share temporary stories in WhatsApp.
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    Android (1)
  5. Wire icon

    Wire

    • Free PersonalOpen Source
    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Self-Hosted
    • F-Droid
    • Software as a Service (SaaS)

    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.

    ⚫︎ End-to-End EncryptionWire has E2E Encryption, for entire or parts of the app.
    ⚫︎ Screen SharingYou can use Wire to share your screen with your colleages or friends.
    ⚫︎ Privacy focusedWire is considered a privacy friendly alternative.
    ⚫︎ Multiple Account supportWire support multiple accounts without the need to logout and login
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    Screenshot


  6. Cloud platform for video and audio conferencing, chat, events, contact centers, VoIP cloud phones, and webinars across mobile, desktop, and on-site room systems.

    ⚫︎ Screen SharingYou can use Zoom to share your screen with your colleages or friends.
    ⚫︎ No registration requiredYou can use most of the features in Zoom without registration.
    ⚫︎ Ad-freeZoom doesn't contain any form of external advertising.
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    Screenshot
  7. Briefing icon

    Briefing

    • FreeOpen Source
    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Self-Hosted

    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.

    ⚫︎ End-to-End EncryptionBriefing has E2E Encryption, for entire or parts of the app.
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    Screenshot
  8. FluffyChat icon

    FluffyChat

    • FreeOpen Source
    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • FLATHUB
    • Ubuntu Touch
    • F-Droid

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

    ⚫︎ DecentralizedFluffyChat is based on a decentralized infrastructure with no single entity controlling it.
    ⚫︎ End-to-End EncryptionFluffyChat has E2E Encryption, for entire or parts of the app.
    ⚫︎ Privacy focusedFluffyChat is considered a privacy friendly alternative.
    ⚫︎ Ad-freeFluffyChat doesn't contain any form of external advertising.
    ⚫︎ Dark ModeFluffyChat supports dark mode for comfortable usage in low light conditions.
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    Screenshot
  9. Molly is an independent Signal fork for Android.

    ⚫︎ End-to-End EncryptionMolly has E2E Encryption, for entire or parts of the app.
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    No screenshots yet
  10. Kosmi icon

    Kosmi

    • FreeProprietary
    • Online

    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.

    ⚫︎ Watch Videos TogetherWatch video streams in sync together with your friends with Kosmi.
    ⚫︎ Screen SharingYou can use Kosmi to share your screen with your colleages or friends.
    ⚫︎ No registration requiredYou can use most of the features in Kosmi without registration.
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    Screenshot
Showing 10 of 46 alternatives