Best Free Encrypted Messaging Software

Brosix Instant Messenger (IM) supports businesses to streamline and secure their team communication through private team communication networks. Brosix provides businesses with all of the tools they need to increase team productivity in one user friendly and fully encrypted platform, including file transfer, screen sharing, group and private chat, virtual whiteboard and more. Brosix IM’s private networks help businesses to increase team collaboration and efficiency, reduce overhead, and guarantee data privacy. Team networks take just minutes to set up, so businesses can immediately begin reaping the benefits of their all-in-one, and fully administrable communication network.

Simple. Secure. Reliable messaging. With WhatsApp, you'll get fast, simple, secure messaging and calling for free*, available on phones all over the world. WhatsApp Business is a free to download app that built with the small business owner in mind. Create a catalog to showcase your products and services. Connect with your customers easily by using tools to automate, sort and quickly respond to messages. WhatsApp can also help medium and large businesses provide customer support and deliver important notifications to customers. Learn more about WhatsApp Business API. Some of your most personal moments are shared on WhatsApp, which is why we built end-to-end encryption into the latest versions of our app. When end-to-end encrypted, your messages and calls are secured so only you and the person you're communicating with can read or listen to them, and nobody in between, not even WhatsApp.

Snapchat - The fastest way to share a moment! Snapchat lets you easily talk with friends, view Live Stories from around the world, and explore news in Discover. Life's more fun when you live in the moment! We believe that reinventing the camera represents our greatest opportunity to improve the way people live and communicate. We contribute to human progress by empowering people to express themselves, live in the moment, learn about the world, and have fun together.

Turn conversation into customer loyalty with Messenger. Messenger helps you simplify customer acquisition by providing a direct, conversational way for people to take action where they already spend their time. Building a presence on Messenger allows people to browse your products and services, and purchase them directly in the conversation. Building an experience on Messenger can help get your business, product or service in front of more people. Whether you’re launching a new product or driving awareness, conversation creates a meaningful connection with your business. Integrating Messenger into a customer service strategy allows customers to communicate with your business on their terms. No more waiting on hold or keeping website windows open. And the conversation stays in Messenger, an easily accessible spot for questions and re-engagement.

Element is a secure communications platform built on Matrix: a decentralised and end-to-end encrypted protocol. Bring your teams together, boost productivity and workplace satisfaction, while retaining complete ownership of your data. Element is a leader in the Forrester Wave: Secure Communications report. Easily collaborate with your partners, suppliers or clients with video calls and instant messaging: like email for the 21st century. You can even connect your Slack, MS Teams, WhatsApp accounts. On the other hand Element can be closed for high security environments using secure border and cross domain gateways, and even air-gapped deployments. Being built on Matrix, there is no single point of failure for the network thanks to the decentralised network architecture, making it perfect for mission-critical environments. Please contact us to explore how your business can benefit from Element.

AWS Wickr is a secure, end-to-end encrypted messaging platform designed for enterprises and government agencies to facilitate confidential communication. It supports text, voice, video, file sharing, and screen sharing with robust data protection and compliance capabilities. AWS Wickr ensures messages are encrypted at rest and in transit, with content expiration and ephemeral messaging features to reduce data retention risks. The platform allows for seamless collaboration while maintaining strict security, privacy, and regulatory standards. It is widely used in industries requiring high levels of confidentiality, such as defense, healthcare, and financial services.

Wire protects critical communications for the world’s most security-demanding organizations. Wire's highest security standards enable users to communicate securely, thanks to the most advanced encryption and its Zero-Trust architecture, while facilitating user administrators to manage and control their organization's information, guaranteeing the sovereignty of their data. Created by the founders of Skype, Wire provides end-to-end encryption for messages, audio and video conferencing, file exchange, external collaboration, and beyond. Used by most of the world's G7 governments and other security-critical organizations globally, Wire is pushing the limits of secure communication, pioneering work for standardized encryption with Messaging Layer Security. To learn more, visit wire.com

Fast, simple, secure. Privacy that fits in your pocket. Send high-quality group, text, voice, video, document, and picture messages anywhere in the world without SMS or MMS fees. Signal messages and calls are always end-to-end encrypted and painstakingly engineered to keep your communication safe. We can't read your messages or see your calls, and no one else can either. Keep your chat history tidy with messages that you can set to disappear. Choose different disappearing message intervals for each conversation. Everyone in the thread shares the same setting. Good memories will last even if the words vanish. Signal is made for you. As an Open Source project supported by grants and donations, Signal can put users first. There are no ads, no affiliate marketers, no creepy tracking. Just open technology for a fast, simple, and secure messaging experience. The way it should be.

Rocket.Chat is a fully customizable, open-source communications platform for organizations with high standards of data protection. It enables real-time conversations between colleagues, with other companies, or with your customers, regardless of how they want to connect with you. Compared to similar players in the industry, such as Slack and Microsoft Teams, Rocket.Chat offers an on-prem deployment that enables organizations to take full ownership of their data. Rocket. Chat's open-source nature makes it more flexible to meet specific company needs and more scalable to follow your organization's growth. It also holds the only true MIT open-source license. We have over 1000 developers across the world contributing to the open-source code. Every day, tens of millions of users in over 150 countries and in organizations such as Audi Business Innovation, Deutsche Bahn, The US Navy, and Credit Suisse trust Rocket.Chat to keep their communications completely private and secure.

A peer-to-peer private anonymous and secure messenger that works over Tor. It's also free and open source software which gives users the freedom of changing it and redistributing it under the terms of the GNU General Public License v3. Anonymous Messenger utilizes Tor for its anonymity network and data transport security using the onion v3 protocol and the ability to run onion services on any device and connect directly and anonymously without having to set up any servers, also it uses the signal protocol to encrypt all data before sending it over the Tor network directly to the intended receiver, which means we get two layers of end-to-end encryption without using any server or service. Instead of using HTTP Anonymous Messenger, uses its own transport protocol which is written for anonymity and simplicity. For example, when we send a message we encrypt it using the Signal protocol then we establish an onionV3 encrypted connection and send the encrypted message.

Free Messaging Whenever, Wherever. Send free one-on-one and group texts to your friends anytime, anywhere! LINE is available for a variety of smartphone devices (iPhone, Android, Windows Phone, BlackBerry, and Nokia) and even your PC. Free Voice & Video Calls. Call friends and family as often as you want, for as long as you want. Free international voice and video calls make it easy to stay connected. Currently available for iPhone, iPad, Android, Windows Phone, PC (Windows and Mac), and LINE Lite on Android. Share exactly how you’re feeling by choosing from over 10,000 stickers and emoticons! Visit the Sticker Shop to discover original stickers of your favorite characters and celebrities. LINE NEWS is the most popular news content curation service in Asia and aims to deliver valuable content that enrich your everyday life. Receive medical consultations at home when you don't have time to visit a hospital or want to avoid the crowd.

Threema is an instant messenger designed to generate as little user data as possible. All communication is always end-to-end encrypted. When setting up the chat app, each user generates a random Threema ID. Linking a phone number or email address is optional. Free online services are often financed by using user data for advertising. For example, WhatsApp collects metadata, which isn't compatible with privacy protection. Threema is financed by the price of the app and does not collect user data. Hide particularly sensitive chats, and lock them with a PIN or biometric data. Place calls without revealing your phone number. Threema calls are end-to-end encrypted and thus tap-proof. They impress with crystal-clear voice quality and brilliant video quality. Threema is a true Swiss company hosting its own servers in Switzerland. From software development to customer support, everything is done in-house. The instant messaging service is fully GDPR-compliant.