1. Features of Patch Unlike modded apks no backend tracking or ads. Completely open code (txt files) thus no privacy concerns.
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  2. Open source anonymous, registration free P2P chat. You communicate directly and no logs are saved on the server. Otr.to is browser based, which means that you don't need to install or ask somebody to install software.


    • FreeOpen Source
    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Chrome OS
    • Self-Hosted
    Dirc is a peer-to-peer web application which uses WebRTC to set up connections between chat participants without requiring a back-end server. The static files can be self-hosted. Other features: * Identities are key pairs (NaCl).
  3. FortKnoxster is a 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.
  4. Whaller lets you create private social networks and bring them to life. 1. COMMUNICATE simply Create a sphere, invite your contacts, and start a discussion within minutes. Whaller spheres are your spaces for private conversation, each one sealed off from the others.
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  5. Yap is an ephemeral, real-time chat room with up to six participants. Your messages appear and disappear as quickly as you type them, which means unless you pay attention to what everyone says (for once), you’ll miss it.
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  6. Toxygen is powerful cross-platform Tox client written in pure Python3.
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  7. Free browser based real-time video calls. Simple, Secure, Fast. Start your next video call with a single click. No download, plug-in or login required. Just get straight to talking, messaging and sharing your screen.
  8. GoldBug is a secure Instant Messenger. You can be sure with using GoldBug (GB), that no third party can look into your chat communication. Private user-to-user communication remains private.
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    • FreeOpen Source
    • Online
    • Android
    • iPhone
    • Self-Hosted
    • Software as a Service (SaaS)
    Fully open source instant messaging server and clients. No proprietary components or non-free dependencies. Backend in pure Go (GPL 3.0), with a command-line administration tool in python + gRPC. Clients for Android, iPhone, and Web - ReactJS (all licensed under Apache 2.0).
    • Free PersonalProprietary
    • Mac
    • Windows
    • Online
    • Android
    • iPhone
    Pinger lets you text and talk free with the people you care about most, anywhere on the planet. Tap a picture and you'll see all of your communications—texts, pics, calls, voicemails—all in one place.
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  9. TorChat is a peer to peer instant messenger with a completely decentralized design, built on top of Tor's location hidden services, giving you extremely strong anonymity while being very easy to use without the need to install or configure anything.

    Discontinued

    The project is no longer developed since 2014. Last version, 0.9.9.553, released in September 2012, can be still downloaded from GitHub.

  10. Userlike is free live chat and customer messaging software for web and messaging support. Connect with your customers on your website, Facebook Messenger, WhatsApp, Telegram and SMS.
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  11. - Qt E-Mail Client. - Build-in Encryption to secure E-Mails - Secure P2P Email from Friend to Friend without relying on a central server. - Chat and Instant Messaging is build in. Define & Add your friends.
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  12. Firework is a program for converting websites and web applications into desktop applications. People use one set of web applications every day for work or play.