Best Messaging Software for Linux

Slack is a cloud-based project collaboration and team interaction software solution specially designed to seamlessly facilitate communication across organizations. Featuring powerful tools and services integrated into a single platform, Slack provides private channels to promote interaction within smaller teams, direct channels to help send messages directly to colleagues, and public channels that enables members across organizations to start conversations. Available on Mac, Windows, Android, and iOS apps, Slack offers a plethora of features that include chat, file sharing, collaborative workspace, real-time notifications, two-way audio and video, screen sharing, document imaging, activity tracking and logging, and more.

Solving today's complex business problems takes teams of engaged people working together. We’ve built an online guide to teach you and your team the secrets of successful teamwork. When you have a place to create and make decisions as a team, there’s no limit to what you can achieve. Teams brings everything together in a shared workspace where you can chat, meet, share files, and work with business apps. Get your team on the same page with group chat, online meetings, calling, and web conferencing. Collaborate on files with built-in Microsoft 365 (formerly Office 365) apps like Word, Excel, PowerPoint, and SharePoint. Add in your favorite Microsoft apps and third-party services to keep the business moving forward. Get end-to-end security, administrative control, and compliance—all powered by Microsoft 365. Teams is designed for groups of all kinds. Get started with the free, no-commitments version. You can also get Teams as part of the best-in-class suite of productivity tools.

Your team’s communication hub. Team messaging, video+audio calling, productivity apps and more. Flock makes communication and collaboration effortless. Get all the features you need in one easy-to-use tool. Work smarter with Flock's all-in-one messaging, video conferencing, and productivity tool. Stay connected with Flock's powerful built-in video conference feature. Up to 20 attendees can meet in real-time. You can even screen share with just a click. Powerful search helps you find anything shared in Flock, whether it’s a message, file, or link. Use our powerful suite of business collaboration tools - Shared To-Dos, Polls, Note Sharing, Reminders, and more - to optimize project management. Flock offers over 50 integrations with tools like Asana, Twitter, Googe Drive, and Todoist. Add your apps in Flock with one click and you’ll never need to switch tools to get work done.

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

Video & Text. Private & Encrypted. Unparalleled Quality. Keet only shares end-to-end encrypted data between participants in your calls. Without middlemen, third-parties, or servers, there’s nobody left who can snoop or leak data. Keet video calls operate over direct connections between you and your friends, without using servers that can throttle your performance. You'll notice the difference. When you share a file in Keet, you don’t have to wait for it to upload. Other peers can immediately download it straight from the source. Megabytes, gigabytes, or terabytes and no limits. As your app grows beyond the hobby phase, Holepunch lets you evolve into a business without compromises. With Bitcoin Lightning and USDt micropayments built-in, it's easy to implement and use powerful paid features in apps. Peers control everything about their own data, including how it’s bought and sold. The days of tokens, ads, hidden incentives, and data harvesting are over.

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.

Jami is completely peer-to-peer and doesn't require a server for relaying data between users. Jami is a GNU project backed by the Free Software Foundation and distributed under a GPLv3 license. We use state of the art end-to-end encryption with perfect forward secrecy for all communications and comply with the X.509 standard. Without restriction on file size, speed, bandwidth, features, number of accounts, storage or anything else. There will never be advertising on Jami. There will never be advertising on Jami. Latency is reduced and transfer speeds are greatly increased thanks to the direct peer-to-peer connection. Users who are on the same local network can communicate with Jami even if they are disconnected from the internet.

maaiiconnect makes customer engagement simple. It is the only cloud-based platform that brings digital and telecom communications together to help businesses deliver seamless customer experiences. Be a truly omnichannel business. Centralise channels such as WhatsApp, WeChat, Facebook Messenger, SMS, Virtual Numbers, Video Conferencing, and a Web Communications Widget for Live Chat and Web Calls into one place with full customer relationship history, customer data, CRM, ticketing system, and rich insights.