Best Internal Communications Software for Linux of 2025

Brosix Instant Messenger (IM) enables companies to enhance and secure their internal communication via dedicated team networks. It offers a comprehensive suite of tools designed to boost team productivity within a single user-friendly and fully encrypted platform, featuring capabilities like file transfers, screen sharing, private and group chats, virtual whiteboards, and more. By utilizing Brosix IM’s private networks, organizations can foster better collaboration and efficiency among their teams, minimize operational costs, and ensure the confidentiality of their data. Setting up these team networks is a quick process that takes only a few minutes, allowing businesses to start enjoying the advantages of an all-in-one communication solution that is easily manageable. Moreover, the platform's focus on encryption assures users that their conversations and shared information remain secure at all times.

Secure instant messaging system that works over local networks and the Internet. Collaboration tools for employee engagement.

Zoom Meetings & Chat allows for enterprise video conferencing that includes real-time messaging and content sharing. Video conferencing and messaging made easy across all devices. Facilitate adoption with meeting capabilities that make it simple to join, start, and collaborate on any device. Zoom Meetings syncs to your calendar system and provides enterprise-grade video conferencing on both mobile and desktop. All-hands meetings, internal and external communications, trainings, and all-hands meetings can all be done through one platform. With support for up to 1000 participants and 49 videos per screen, HD video and audio can be added to your meetings. Multi-participants can share their screens simultaneously, and co-annotate to make it more interactive. End-to-end encryption of all meetings, role-based security, password protection and waiting rooms. You can also place attendees on hold. You can record your meetings locally or to cloud with searchable transcripts. Zoom offers HIPAA-compliant healthcare plans.

Slack is a cloud-based platform that enhances project collaboration and team communication, specifically tailored to foster smooth interaction within organizations. With a robust suite of tools and services unified in one platform, Slack allows for private channels that encourage engagement among smaller groups, direct messaging options for sending information straight to coworkers, and public channels that invite discussions among members from different organizations. Accessible on various operating systems including Mac, Windows, Android, and iOS, Slack boasts a wide array of features such as chat capabilities, file sharing, collaborative workspaces, instant notifications, two-way audio and video calls, screen sharing, document imaging, and activity tracking, among other functionalities. Additionally, its user-friendly interface and versatile integration options make it a popular choice for teams seeking to enhance their productivity and communication effectiveness.

Today's intricate business challenges require collaborative efforts from dedicated teams. To assist you and your team in mastering the art of effective collaboration, we have developed a comprehensive online guide. When you establish a collaborative environment for discussion and decision-making, the potential for success expands exponentially. Microsoft Teams consolidates all necessary resources into a unified workspace, allowing seamless communication through chat, virtual meetings, file sharing, and integration with various business applications. Enhance your team's synchronization with features like group chat, online meetings, calling, and web conferencing. Engage in collaborative document editing using integrated Microsoft 365 (formerly Office 365) tools such as Word, Excel, PowerPoint, and SharePoint. You can also incorporate your preferred Microsoft applications and third-party services to facilitate continuous business progress. Teams offers robust end-to-end security, comprehensive administrative control, and ensures compliance—all backed by Microsoft 365’s capabilities. Designed to accommodate various types of groups, Teams provides a free version with no commitments, as well as an option to access it within a superior suite of productivity tools. Embrace the power of teamwork and unlock new opportunities for innovation and growth.

Pumble is a team chat app that allows teams of all sizes to collaborate - clearly, easily, instantly. Pumble is a free collaboration and communication hub available to unlimited users, with unlimited chat history, unlike other team chat apps. It will help teams cut down time wasted on messy emails. Employees can use private, direct and public channels, send messages in threads and mention colleagues or groups for instant notifications. Free plan offers voice and video calling, but paid plans - aimed towards professionals - will let you share screen during the calls. You will have more freedom to control the workspace, manage roles and permissions. Pumble helps you manage non-desk employees, daily operations, communication and human resource management. Pumble’s paid plan include features like: Customizable sidebar Guest access More file storage - 10GB per team member Pumble works in a web browser but you can also download it to your mobile phone or computer, it's compatible with Android, iOS, Windows, and Mac. Avoid messy emails, keep your communication organized and improve productivity with Pumble.

Are you looking for a smart phone system? CloudTalk.io is a new-generation cloud phone system that can be used by SMEs, startups and online stores. It also works with call centres (sales or customer service) and call centres (sales). You will find 25+ integrations with your favorite CRM, helpdesk, or e-commerce tools like Shopify, Salesforce or Pipedrive at your disposal along with a 5-star customer success team that makes it easy to seamlessly migrate, or set up a new cloud call center from scratch. We are growing rapidly every month and have already established successful partnerships with more than 1000 companies around the world, such as DHL, Yves Rocher, Karcher. CloudTalk offers a 14-day free trial (no credit card details necessary).

Discord is a no-cost communication application tailored for gamers, available on both desktop and mobile devices. Each day, millions of users flock to this widely used gaming platform to engage in conversations with friends via voice or text, and they can even broadcast their gameplay in high-definition quality to fellow Discord members. In addition to quickly setting up voice or text gatherings, the platform offers features to help users discover other players or teammates, seek out specific groups or activities, or simply discuss games during their leisure time. A standout feature of Discord is its versatility; it caters to all genres and types of games, making it an ideal tool for coordinating communication, regardless of the gaming experience you seek!

eXo Platform is an open-source digital workplace for growing teams and enterprises. Flexible and feature-rich, eXo Platform covers a wide variety of features from knowledge, document and content management to social engagement and project/task collaboration integrated within one holistic solution. With eXo Platform, companies can connect, engage and reward their employees, customers, and partners with its social, engagement and gamification capabilities.

Messages sent via Telegram are protected by strong encryption and have the option to self-destruct after a set period. Users can conveniently access their Telegram messages across various devices, ensuring seamless communication. Telegram is known for its rapid message delivery, outpacing many other messaging apps. With servers located globally, Telegram prioritizes both security and speed in its service. The platform features an open API and protocol, allowing anyone to utilize it freely. Telegram remains completely free, with no advertisements or subscription charges, ensuring an uninterrupted user experience. Additionally, Telegram is designed to safeguard your messages against potential hacker threats. Users enjoy the benefit of unlimited media and chat sizes, enhancing their messaging experience. Join the movement to make messaging safer—share the advantages of Telegram with others. By doing so, you contribute to a more secure and user-friendly communication environment.

Google Chat serves as a smart and secure communication platform designed specifically for teams. It facilitates seamless team communication through features such as direct messaging and group chat rooms, offering an integrated experience that enhances collaboration and efficiency. Currently, access to this latest version is limited exclusively to Google Workspace users. This ensures that those within the professional environment can take full advantage of its capabilities.

Your team's communication center. Team messaging, video+audio calling and productivity apps are just a few of the many features available to you. Flock makes collaboration and communication easy. All the features you need in one simple-to-use tool. Flock's all in one messaging, video conferencing and productivity tool makes it easier to work smarter. Flock's powerful, built-in video conference feature will keep you connected. You can have up to 20 people meet in real time. Screen sharing is possible with just one click. Flock's powerful search allows you to find any file, message, or link shared by others. To optimize project management, you can use our powerful suite business collaboration tools, including Shared To-Dos and Polls, Note Sharing, Polls, Note Sharing, Reminders and more. Flock has over 50 integrations to tools such as Twitter, Googe Drive and Todoist. Flock allows you to add your apps with just one click. You won't need to switch between tools to get the job done.

Consolidate a wide range of applications and services into a singular ecosystem tailored for your business operations by utilizing Bitrix24. With an array of tools such as an activity stream, group chat, calendars, workgroups, and various collaboration features, Bitrix24 enables efficient planning and timely execution of projects. It offers both online and on-premise solutions, complete with open source code access, making it highly versatile for teams of any size. The platform includes collaborative task management, time tracking, reminders, reporting tools, templates, task dependencies, and much more to enhance productivity. Recognized as the world’s most popular free CRM by user count, with over 12 million companies, it provides exceptional real-time support features that ensure customer satisfaction and loyalty. Additionally, users can effortlessly design stunning websites, landing pages, and online stores without any coding knowledge, and benefit from free domain names and hosting. For those who prefer more control, the self-hosted version of Bitrix24 is available, allowing businesses to operate directly on their servers. This flexibility makes Bitrix24 a comprehensive solution for modern business needs.

Mvix Digital Signage, a Pro-AV enterprise-level digital signage solution, features our award-winning cloud based digital signage software. Our solutions are used worldwide by many industries, including schools, hospitals, corporate offices, and manufacturing. Digital Menu Boards Video Walls - Internal & External Communications DOOH - FIDS Court Docket Displays - Outdoor Displays - Digital Building Directores/Wayfinding The Mvix CMS is a leader in content-rich solutions and provides the tools you need to maximize your digital communication strategies. These include the ability schedule files, images and videos, slideshows and pdfs, as well as using our other apps to display upcoming events and company KPIs through PowerBI. To find the best solutions for your business, contact a solutions consultant today.

Zoho Cliq is a business communication software that helps simplify and streamline your communication with organized conversations and information that's easy to find. Cliq is designed to enable a hybrid work style, where you can log in to work through any device from anywhere. This helps improve your team's overall productivity and, in turn, impacts the performance of your business positively

You can connect your teams and improve communication. Zoom Team Chat is included with your Zoom license. Zoom Team Chat helps your teams stay connected. Chat and video meetings can streamline your teams. Enterprise chat and instant video meetings make collaboration between teams and other participants easier. Modern and efficient team communication is possible. You can create a virtual workspace that allows all the people involved in every project to collaborate. You can organize your communications chaos. You can save time by quickly finding messages and content related to your conversations or projects. You can start a meeting with any channel, either group or 1:1. Zoom meetings can scale up to 1,000 participants with clear video, audio, and screen sharing. Communicate in private or public channels that are organized by topics, teams, or projects. You can share files, emojis and screenshots. You can quickly find contacts, messages, files, and other information. Calendar integrations sync presence and status.

Element is a communications platform with security at its core, built on Matrix: a decentralised and end-to-end encrypted protocol. Element brings your teams together, boosts productivity and workplace satisfaction, while enabling complete ownership of your data. 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. For full data sovereignty, install Element into your own data centre or on-premise. Alternatively, let us manage your setup in our secure Element Cloud, in a region of your choice. In Forrester’s words: Element is a great fit for: "...organizations that prioritize flexibility, federation, and data sovereignty". Please contact us to explore how your business can benefit from Element.

AWS Wickr, a secure end-to-end encrypted message platform, is designed for enterprises and government organizations to facilitate confidential communications. It supports text, audio, video, file-sharing, and screen-sharing, with robust data protection capabilities. AWS Wickr ensures that messages are encrypted both in transit and at rest. Content expiration and ephemeral message features reduce data retention risks. The platform allows for seamless collaborative work while maintaining strict privacy, security, and regulatory standards. It is widely used by industries that require high levels of security and confidentiality, including defense, healthcare, financial services, and financial services.

Wire protects critical communications for the world’s most security-demanding organizations. Wire provides users with the highest level of security to ensure secure communication through the implementation of advanced encryption and zero-trust architecture. Additionally, it offers user administrators the ability to manage and control their organization's information while protecting 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 the majority of the world's G7 governments, Wire is at the forefront of secure communication, pushing boundaries and leading the way in developing standard encryption through Messaging Layer Security. To learn more, visit wire.com.

WeChat provides a versatile platform for messaging and sharing photos and videos, allowing you to connect effortlessly with loved ones no matter your location. With WeChat, you can quickly reach out to friends by searching for them using their WeChat ID or phone number, and once your connection request is accepted, chatting can commence right away. On Moments, users have the opportunity to post and share their cherished moments through photos and videos, while also keeping up with what their friends are sharing. Engage with friends and family in real time with WeChat's instant video and voice calling features, which are available for both one-on-one and group conversations. If you find it difficult to convey your feelings through text, you can always send a playful sticker to brighten up your chats. The Sticker Gallery, curated by skilled artists worldwide, offers a wide array of free stickers for users to download and send, making conversations even more enjoyable. Explore and choose your favorite stickers today to enhance your interactions with friends! Plus, WeChat continually updates its features, ensuring a dynamic and engaging user experience.

End-to-end encryption is essential for protecting what truly matters. Keybase offers a secure platform for messaging and sharing files, using public key cryptography to keep your communications private, meaning even we cannot access your conversations. It is designed for various users, including families, roommates, clubs, and groups of friends. Additionally, Keybase allows you to connect with public identities, facilitating engagement with communities from platforms like Twitter, Reddit, and beyond. Don't take unnecessary risks with your important documents; Keybase provides a safe space to store your group's photos, videos, and files, all secured with end-to-end encryption. To enhance privacy, you can also set a timer on your most sensitive messages, ensuring they are only available for a limited time. This level of security empowers users to communicate freely without fear of their information being compromised.

Enhance your team's communication through Teamwork Chat, allowing you to focus on the tasks that truly matter. Seamlessly integrate communication into your organizational workflow, regardless of the team or department involved, enabling you to quickly obtain answers to your questions. By providing a unified platform for exchanging ideas and gathering feedback, you can achieve consensus and make informed decisions more swiftly. This approach minimizes the need for excessive meetings while maintaining high productivity levels, ensuring you receive necessary information without disrupting your workflow. Teamwork Chat empowers your team to communicate and collaborate effectively, achieving new heights in productivity while preserving the essential human element. Additionally, you can reference past chat messages to provide context for significant decisions made across teams, and easily share important files within Teamwork Chat to enhance conversations and foster collaboration further. Embrace this tool to streamline your communication and propel your projects forward with efficiency.

Noysi makes communication easier and more efficient between team members, employees, customers, agents, consultants, and other providers. Real-time conversations in open, private channels. Messages 1 to 1. Storage Unlimited cloud storage where all files can be encrypted and secured. A Task Manager that organizes your projects quickly. Video calls, screen sharing, broadcast, 1 to 1, and group calls. An index browser is divided into messages, members and channels, files, and files. ALL at once. App integrator to be able to use all of your existing tools in Noysi. You can organize your company into departments, teams, or projects. Open channels, private groups, and 1 to 1 messages are all options for communicating. You can invite unlimited partners. Noysi offers a task manager that allows you to manage your projects.

Powering video everywhere: Build your own video platform and connect existing incompatible equipment, protocols & integrations.​ Or embed video directly into your apps to create a seamless, frictionless experience. Meet and collaborate securely: Trust Pexip with your most important communications while maintaining complete control of your data and meetings. Connect meeting rooms: Join any meeting on any device. Enhance the video experience for all participants, and modernize existing hardware. Customer engagement beyond video: Convert online visitors into customer meetings with easy-to-use scheduling. Offer multiple meeting types, including branded video meetings. Extended Reality (XR) video platform: Boost productivity with wearables that last for hours. Enable workers in manufacturing, engineering, construction, and healthcare with tools that transform business operations.

Sorwe is an integrated platform that provides people analytics and employee experience. It is a two-sided platform that connects employees and the company for daily communication and HR activities. These are the four key service areas: -Communication -Feedback - E-learning Performance of OKR For HRs: They monitor the work environment in real-time and assign activities to automate HR processes. For Employees: Employees can engage naturally with their work through peer-to-peer interaction, gamification on mobile and peer-to-peer communication.