Cost / License
- Free
- Open Source
Application types
United StatesAlerts
- Discontinued
Platforms
- Android
- iPhone
- Android Tablet
- iPad
- F-Droid
+1
Threema Alternatives
Threema is described as 'New mobile messaging app that puts security first. With true end-to-end encryption, you can rest assured that only you and the intended recipient can read your messages' and is a very popular instant messenger in the security & privacy category. There are more than 100 alternatives to Threema for a variety of platforms, including Android, iPhone, Windows, Mac and Linux apps. The best Threema alternative is Signal, which is both free and Open Source. Other great apps like Threema are Telegram, Element, Tox and SimpleX Chat.
Alternatives list
monocles chat is a fork of blabber.im and Conversations with some changes, to improve usability.
+5
ROOM-39 is a privacy-preserving, security-focused social platform built on a zero-knowledge architecture. Unlike standard messengers, ROOM-39 is designed under the principle that privacy is enforced by mathematics, not trust.
Cost / License
- Free
- Proprietary
Platforms
- Online
- Android
- Android Tablet
+5
46 Tinfoil Chat alternativesTinfoil Chat (TFC) is a FOSS+FHD peer-to-peer messaging system that relies on high assurance hardware architecture to protect users from passive collection, MITM attacks and most importantly, remote key exfiltration.
Cost / License
- Free
- Open Source
Platforms
- Linux
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).
Cost / License
- Free
- Open Source (GPL-3.0)
Application types
Platforms
- Online
- Android
- iPhone
- Self-Hosted
- Software as a Service (SaaS)
+4
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. GoldBug therefore uses strong multi-encryption with different layers of modern...
Cost / License
- Free
- Open Source
Application types
Platforms
- Mac
- Windows
- Linux
- BSD
+5
SureSpot is an open source encrypted messenger designed to make encrypted messaging simple and accessible to anyone.
Campfire is an installable, self-hosted group chat system. Easily invite people. Make rooms. @mentions, DMs, and mobile support. The basics done right. And since you get the code and host it yourself, you can customize it however you’d like for your own use.
Cost / License
- Free
- Open Source (MIT)
Application types
Platforms
- DigitalOcean
- Self-Hosted
- Amazon Web Services
- Docker
+9
Fully end-to-end encrypted business collaboration platform that is the only on the market supporting E2EE HD video conference up to 100 participants.
Cost / License
- Paid
- Proprietary
Platforms
- Mac
- Windows
- Linux
- Android
- iPhone
- Android Tablet
- iPad
- Software as a Service (SaaS)
+6
At this point in the digital world, our personal digital metadata – not just our messages, but data about who talks to whom, when, and where – has been marketed, auctioned, and monetized hundreds of thousands of times over.
Cost / License
- Free
- Open Source (BSD-2-Clause)
Application type
Alerts
- Discontinued
Platforms
- Android
- iPhone
+4
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