Best Messaging 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.

PRODUCTIVITY 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. 80K+ users across 5,000 companies of all sizes choose Rambox worldwide to simplify their workspace. Select from our list of 700+ apps which you want to use and organize them into different workspaces. You can have multiple sessions of WhatsApp, Gmail, Slack, etc. and stay signed. Workspaces With over 700 pre-configured apps, you can instantly add them to your workspace, including: - Gmail - Google Apps - WhatsApp - Facebook - iCloud and much more 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.

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.

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!

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.

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.

Session is a messenger that utilizes end-to-end encryption to safeguard user privacy and minimize sensitive metadata, catering to individuals who desire complete confidentiality and a break from any surveillance. With Session, users can create accounts without the need for a phone number or email, ensuring their anonymity. The platform refrains from data collection, eliminating the risk of breaches. Communication occurs through an onion routing network, ensuring that no traces are left behind. The transparency of Session’s code allows anyone to inspect, audit, and contribute to its development. By operating without a central point of failure, it becomes significantly more resilient against shutdown attempts. Whether you want to converse privately with a few friends or broadcast to a larger audience, you have the freedom to choose. Closed groups enable discussions with up to 20 friends while maintaining the same level of encrypted security as one-on-one conversations. For larger gatherings, open groups allow connections with an unlimited number of participants. Additionally, when text falls short, voice messages provide a more intimate way to communicate, ensuring that your sentiments are conveyed accurately. With such versatile options, Session is designed to enhance your messaging experience while keeping your data secure.

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.

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.

Take control of your messaging once again with Franz, the all-in-one app designed for platforms such as WhatsApp, Facebook Messenger, Slack, and Telegram, among others. This versatile application accommodates a wide range of both personal and professional messaging services, including WeChat, Google Hangouts, and Skype, ensuring that you stay connected no matter the context. Whether you’re simply catching up with friends or overseeing a customer support team, Franz has everything you need to streamline your communication. With Franz, you can effortlessly manage conversations across multiple platforms, making your messaging experience more efficient and organized.

Rocket.Chat is a communications platform that enables real-time conversations between colleagues, with other companies or with your customers. It does everything other platforms do, except exposing your data.

Ryver is a team collaboration platform that combines group messaging with task management and workflow automation all in one app. Email "reply to all" quickly becomes a complicated way to collaborate. Other apps, such as Slack or Trello, are expensive and don't do everything Ryver can. Ryver is the best collaboration software for your team. Upgrade Ryver today to get more done.

Chat for distributed teams. Zulip combines real-time chat and email threading to provide instant messaging. Zulip allows you to keep up with important conversations and ignore the rest. Zulip is powered by Electron, React Native and has modern apps for every platform. Zulip is 100% open-source software, developed by hundreds of developers from around the globe. Zulip has 120,000 words worth of documentation, a high-quality code base, and a friendly community that makes it easy to modify or extend the software. Zulip has a much larger and more active developer community than modern open-source group chat solutions like Mattermost and Rocket.Chat. Zulip supports more than 90 native integrations. Hubot, Zapier, IFTTT and IFTTT offer hundreds more integrations. You can also create your own integrations using Zulip's powerful API.

Keet offers video and text communication that is both private and encrypted, ensuring unmatched quality. It facilitates end-to-end encrypted data sharing exclusively between participants in your conversations. By eliminating middlemen, third parties, and servers, there is no one left to snoop or compromise your data. Keet's video calls function through direct connections between you and your friends, avoiding servers that could hinder your performance, allowing you to truly appreciate the difference. When you send a file using Keet, it becomes available for immediate download by other peers directly from the source, without the need for lengthy uploads. Whether you are sharing megabytes, gigabytes, or even terabytes, there are no restrictions. As your application transitions from a hobby to a full-fledged business, Holepunch enables you to scale without any compromises. With integrated Bitcoin Lightning and USDt micropayments, leveraging advanced paid features within your applications is simple and efficient. Users have complete control over their data, including how it is traded and monetized. The era of tokens, advertising, hidden agendas, and data exploitation has finally come to an end, marking a significant shift in user empowerment.

Yeastar CloudPBX (legacy) is a future-ready phone system that is ideal for small businesses. Linkus UC Clients will give you easy access to remote working and enhanced call efficiency on any device. Hosted deployment is free of upfront hardware costs and virtually eliminates overheads for management. Yeastar's hosted solution is easy to use and has full compatibility features. Any migration or upgrade will be seamless. * Please note that Yeastar P-Series PBX System is the new Yeastar Cloud PBX that comes with versatile call center features and unified communications features.

Enterprises can have a self-hosted, encrypted online meeting, team chat, audio/video calling, and communication channels solution. These features are part of this release: 1. You can join a meeting via mobile by entering your meeting id, password, and name. 2. 2. Log in to CloudMeet with your credentials 3. Set up an instant meeting or a virtual meeting to meet later. 4. View, accept/reject invitations and join or start meetings. 5. Push notifications allow you to instantly chat with your colleagues via 1-to-1 or group chat. 6. 6.

Jami operates entirely on a peer-to-peer basis, eliminating the need for a central server to facilitate data exchanges among users. It is a GNU initiative supported by the Free Software Foundation and is available under the GPLv3 license. The platform employs advanced end-to-end encryption with perfect forward secrecy for all interactions, adhering to the X.509 standard for security. Users face no limitations regarding file sizes, transfer speeds, bandwidth, functionalities, account numbers, storage, or any other parameters. Furthermore, Jami is committed to remaining ad-free, ensuring an uninterrupted user experience. The direct peer-to-peer connectivity not only enhances transfer speeds but also minimizes latency significantly. Remarkably, users connected to the same local network can still communicate via Jami, even in the absence of an internet connection. This unique capability makes Jami an exceptional choice for secure and flexible communication.