Compare the Top On-Premises Encrypted Messaging Software as of July 2025

What is On-Premises Encrypted Messaging Software?

Encrypted messaging software protects digital communications by encoding messages so that only the intended recipient can read them. It uses sophisticated encryption algorithms to prevent interception, eavesdropping, and unauthorized access. This type of software ensures privacy and security for personal, business, and governmental communications. It supports the safe exchange of text, voice, video, and files over the internet. By maintaining message confidentiality and user anonymity, encrypted messaging software is essential for secure, private communication. Compare and read user reviews of the best On-Premises Encrypted Messaging software currently available using the table below. This list is updated regularly.

  • 1
    Element

    Element

    Element

    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.
    Starting Price: $5 Per Monthly Active User
  • 2
    Wire

    Wire

    Wire

    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
    Starting Price: 7.45€
  • 3
    Rocket.Chat

    Rocket.Chat

    Rocket.Chat

    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.
    Starting Price: $3/user/month
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