Best On-Premises Messaging Software

Rambox is a digital workspace organizer that boosts productivity for professionals who use web apps frequently. It centralizes all your apps, making it easy to organize and access frequently used applications in one place. With over 700 pre-configured apps, including Gmail, WhatsApp, Facebook, iCloud, and more, you can instantly add them to your workspace. And if your app isn't listed, no problem - you can add any custom app in a few easy steps. Rambox synchronizes app configurations and can disable notifications across all devices in the user dashboard, automatically hibernating inactive apps to free up memory. Plus, users can apply CSS styling and JS code to improve each app's design and performance. Other features include: dark mode, do not disturb mode, spell checking, ad blocking, password management, notification management, and keyboard shortcuts.

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.

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

Threema Work is a secure and GDPR-compliant business messenger that facilitates mobile communication in companies and organizations. The messaging app is easy to use and doesn’t require a phone number or email address. With Threema Broadcast, companies can reach their entire staff, individual recipients, and external partners with a single click. Threema MDM allows administrators to preconfigure the app and make sure it’s used in line with corporate policies. Threema Work is a chat solution tailored to the needs of companies, organizations, schools, and governments that require the highest level of security in their business communication. Secure, easy-to-use, and privacy-compliant business messenger with an extensive feature set for efficient corporate communication. “Threema dominates as a privacy-first and flexible business communications app.” The Forrester Wave™: Secure Communications Solutions, Q3 2024

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.

Chat for distributed teams. Zulip combines the immediacy of real-time chat with an email threading model. With Zulip, you can catch up on important conversations while ignoring irrelevant ones. Zulip has modern apps for every major platform, powered by Electron and React Native. Zulip is 100% open source software, built by a vibrant community of hundreds of developers from all around the world. With 120,000 words of developer documentation, a high quality code base, and a welcoming community, it’s easy to extend or tweak Zulip. Zulip has a significantly larger and more active development community than other modern open source group chat solutions like Mattermost, Rocket.Chat, and matrix.org. Zulip has more than 90 native integrations. Several hundred more are available through Hubot, Zapier, and IFTTT. Or build your own integrations with Zulip’s powerful API.

Meetings with colleagues, customers and partners - have a personal conversation with one click. Keep conversations private with Nextcloud Talk. Nextcloud talk protects your communication better than other team collaboration platforms like Microsoft Teams or Slack, making sure your data stays on your servers. Nextcloud Talk goes further than other encrypted communication technologies by keeping even metadata from leaking. This ensures you stay in complete control of communications. When SCM was looking for a simple, secure and well designed messenger platform that could be hosted on-premises, a decision was made for Nextcloud Talk. A Professional Services project from Nextcloud GmbH provided several features SCM required and today, the legal, human resource, financial and PR experts of SCM can easily communicate and collaborate during their business trips.

Self-hosted and end-to-end encrypted Online Meeting, Team Chat, Audio/Video Calling and Communication Channels Solution for Enterprises. Following features are included in this release: 1. Join meeting from mobile by entering meeting id, password and name. 2. Login into CloudMeet using your credentials. 3. Initiate instant meeting or schedule a virtual meeting for later date. 4. View, accept/reject invites and start or join meetings. 5. Instant 1-to-1 or Group Chat with your colleagues with push notifications. 6. Instant 1-to-1 or Group Audio or Video calling with your colleagues.

Powerful. Free*. Secure. Whuups is a free instant messaging app available on smartphones, desktop computers, and via all internet browsers. Make voice calls, send instant messages, set up video conferences and share files for socializing or professional purposes. All you need is an internet connection. No subscription is required. Chat as you are®. With more tools and options than you can poke your finger at, Whuups allows you to display your unique Whuupser self through every interaction. Whether it’s via chat, video, voice, an event, or sharing files, your options to make your Whuups account your very own are endless. We believe every moment of life should be fun! And at Whuups, we spend our days fighting on average! We’re tirelessly scrutinizing our products to see how we can make every part of our service more enjoyable to use and, in fact, how it can bring fun into our users’ lives at every touchpoint.

MESSAGENIUS - SECURE ENTERPRISE MESSAGING Messagenius is the enterprise messaging for secure, smart and integrated communications among colleagues: - Runs on your own private servers/clouds; - Enhances productivity with dedicated features; - Integrates into any software in use; - Gets 100% customisable and comes in white-label by default. COMPETITIVE ADVANTAGES Messagenius has 3 main competitive advantages in comparison with the mainstream messaging apps (WhatsApp, Slack, Skype, etc.): 1. SECURITY, DATA OWNERSHIP & COMPLIANCE - It runs on the customer’s private servers (on-premises/private-cloud). 2. PRODUCTIVITY - UX and UI are 100% customizable, up to white label. 3. INTEGRATION - It integrates into and with any software in use. TECHNOLOGY Messagenius is available for Android, iOS, web & desktop as: stand-alone messaging app, branded and customised in white label; add-on messaging feature, integrated into other software via SDK.