Best Free Messaging Software

Brosix Instant Messenger (IM) supports businesses to streamline and secure their team communication through private team communication networks. Brosix provides businesses with all of the tools they need to increase team productivity in one user friendly and fully encrypted platform, including file transfer, screen sharing, group and private chat, virtual whiteboard and more. Brosix IM’s private networks help businesses to increase team collaboration and efficiency, reduce overhead, and guarantee data privacy. Team networks take just minutes to set up, so businesses can immediately begin reaping the benefits of their all-in-one, and fully administrable communication network.

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.

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.

Turn conversation into customer loyalty with Messenger. Messenger helps you simplify customer acquisition by providing a direct, conversational way for people to take action where they already spend their time. Building a presence on Messenger allows people to browse your products and services, and purchase them directly in the conversation. Building an experience on Messenger can help get your business, product or service in front of more people. Whether you’re launching a new product or driving awareness, conversation creates a meaningful connection with your business. Integrating Messenger into a customer service strategy allows customers to communicate with your business on their terms. No more waiting on hold or keeping website windows open. And the conversation stays in Messenger, an easily accessible spot for questions and re-engagement.

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

The next-gen collaboration suite. All your chats, meetings, calendars, docs, and emails in one place. These organisations have made Lark their all-in-one solution for collaboration. Lark is a comprehensive productivity superapp designed to streamline collaboration. It combines chat, meetings, document editing,project management, and automation tools in one intuitive platform, simplifying your workflow and enhancing team communication. It suits teams of all sizes, from small groups to large multinational companies. By utilizing Lark Base, teams have the ability to construct a CRM solution that aligns with their present requirements and is capable of expanding along with the business. Additionally, Lark is well-equipped to serve as a project management tool, providing project managers with robust features for planning, tracking, and executing projects effectively.

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.

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.

The team inbox and chat tool that empowers teams to truly collaborate around email, SMS, WhatsApp, Twitter, Messenger, live chat, and more. We redesigned the inbox with a business-first collaborative experience in mind. With Missive, teams focus on growing their business. Everything you need to get the job done. The Team Inbox is offered as a powerful workflow setting for your shared accounts and addresses.

Zimbra 9 : Extensibility for Collaboration Superheroes! Users move seamlessly between desktop, mobile and tablet browsers with a consistent email and collaboration experience. Designed for extensibility and features best- in-class, out-of-the-box integrations with Slack, Dropbox and Zoom, with many more underway. Zimlet framework and APIs let you customize Zimbra to meet your specific requirements. Zimbra’s dependable server infrastructure for the security, privacy and data sovereignty Zimbra customers expect. Expect an easy upgrade process moving to Zimbra 9 — with no data migration. Zimbra 9's modern, responsive UI is built on Zimbra's dependable server infrastructure for the security, privacy and data sovereignty you expect from Zimbra. Unlike competitors with closed platforms, Zimbra 9 is flexible and extensible. Break free from Microsoft and Google and integrate with the 3rd party collaboration services you use today—Slack, Zoom, Dropbox and more.

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.

An open network for secure, decentralized communication. Matrix is an open source project that publishes the Matrix open standard for secure, decentralized, real-time communication, and its Apache licensed reference implementations. Matrix gives you simple HTTP APIs and SDKs (iOS, Android, Web) to create chatrooms, direct chats and chat bots, complete with end-to-end encryption, file transfer, synchronized conversation history, formatted messages, read receipts and more. Matrix provides state-of-the-art end-to-end-encryption via the Olm and Megolm cryptographic ratchets. This ensures that only the intended recipients can ever decrypt your messages, while warning if any unexpected devices are added to the conversation. Matrix owes its name to its ability to bridge existing platforms into a global open matrix of communication. Bridges are core to Matrix and designed to be as easy to write as possible, with Matrix providing the highest common denominator language to link the networks.

CA Flowdock brings all of your conversations, work items and tools into one place. Prioritize work, solve problems, search and organize across teams, locations and timezones. Real-time team chat for your entire organization. Flows are the heart of Flowdock, they are open spaces for your teams to converse and collaborate. Invite project stakeholders to join your Flow to participate in discussions, see updates from your tools, and receive catered notifications. Within a team Flow, conversations are organized by Threads. Team members can reply to these Threads, keeping topics organized. All conversations are color coded so you can quickly identify a topic and jump back into the conversation. If you need to discuss something confidentially with a member of your team, you can converse privately through our 1:1 Flows. Use the /appear command to activate instant video chat and screen sharing through one of our favorite integrations: Appear.in. The link is available for anyone on your team.

Dedicated chat for team development. Idobata makes software development fun. By developers for developers. Lightweight, familiar UI inspired by IRC. Integrates with the tools that you use. Idobota lets you create Organizations, different groupings of chat rooms. You can give your members access to all rooms in your Organization, or limit them to specific ones. You can invite Idobata users who aren't members of your Organization as guests. Again, you can limit that guest's access to rooms you choose. The Timeline view lets you view all rooms across your Organization. Idobata's Webhooks are easily set up notifications that plug into other development tools. Idobata provides well-designed notification messages for popular services like GitHub. You can customize which Webhooks are used for each project you work on. Plus you can create Custom Webhooks for your own use. Idobata supports Hubot, so you create and set up bots to do almost anything with your rooms, and then activate them.