Best Internal Communications Software for Workers by Delos

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.

Guru transforms how teams access and trust information. As an AI knowledge platform, Guru unifies company data across chats, documents, and applications, giving people and AI assistants reliable, cited answers right where they work. It connects to systems like Slack, Teams, Salesforce, and Google Workspace to surface verified insights without constant searching. With automatic verification, source visibility, and permission-aware access, Guru keeps information accurate and ensures your organization operates from one dependable source of truth.

Slack is an AI-powered productivity and collaboration platform designed to help teams work together through conversations, channels, automations, and connected business tools. It gives organizations a central place to manage communication, projects, customer conversations, files, meetings, workflows, and updates. Channels create transparent spaces where employees, external partners, apps, and AI agents can collaborate around shared work. Slackbot adds personalized AI assistance by using the messages, files, channels, apps, and tools users already have permission to access. It can answer questions, summarize missed conversations, schedule meetings, generate content, analyze reports, create charts, and help teams act on information inside Slack. The platform also includes huddles for quick voice and video conversations, Slack Connect for working with clients and partners, and Workflow Builder for automating repetitive tasks. Slack integrates with many business systems, including Salesforce, Agentforce, GitHub, Claude, Google Drive, Vercel, Jira, Zoom, HubSpot, Workday, and other workplace tools. Its AI and automation features help teams reduce meeting overload, find information faster, and coordinate work across departments. With security, scalability, and enterprise controls, Slack helps businesses create a connected operating system for everyday work.

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.

Asana is an all-in-one work management solution that helps teams coordinate tasks, projects, and company-wide goals in a single platform. It enables organizations to gain clarity on priorities by aligning everyday work with strategic initiatives. Asana’s AI features assist teams by automating routine work, highlighting risks, and providing real-time insights with full business context. The platform supports diverse workflows such as project management, goal tracking, resource planning, and campaign execution. With more than 300 integrations, Asana seamlessly connects to the tools teams already rely on. Its flexible design allows companies to customize workflows to match their processes and scale effortlessly as needs evolve. Asana is trusted by leading global enterprises across industries including healthcare, technology, retail, and manufacturing. Robust security, privacy controls, and compliance features ensure sensitive data stays protected. Dedicated solutions like Asana Gov extend these capabilities to public sector organizations.

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.

Google Meet is an AI-powered video conferencing and virtual collaboration platform built to help organizations connect teams, clients, and partners securely from any location. Gemini AI in Meet improves meeting productivity by automatically taking notes, generating summaries, translating conversations, and identifying action items so participants can focus more on discussions instead of administrative tasks. The platform allows users to join meetings directly from web browsers, smartphones, or tablets without needing complex software installations, making remote communication more accessible and convenient. Google Meet includes collaboration tools such as live captions, meeting agendas, participant RSVPs, screen sharing, presentation controls, emoji reactions, and live sharing features that create more interactive meeting experiences. Businesses can also integrate Meet seamlessly with Google Calendar, Gmail, Docs, Sheets, and Slides to streamline scheduling, collaboration, and follow-up workflows. Premium features such as AI-powered background noise reduction, audio synchronization, presentation recording, transcripts, and speaker spotlight help improve meeting quality and professionalism. Organizations can host larger meetings with up to 1,000 participants while maintaining stable performance and secure communication across global teams. Security features include default encryption, advanced privacy controls, anti-abuse protections, and secure waiting room management to help safeguard sensitive business conversations. By combining AI-assisted meeting management, flexible accessibility, and enterprise-grade security, Google Meet helps organizations improve collaboration, communication efficiency, and remote teamwork.

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!

WhatsApp offers a messaging platform that is fast, straightforward, secure, and free*, accessible on mobile devices globally. Designed with small business owners in mind, WhatsApp Business is available for download at no cost, allowing users to create catalogs that highlight their products and services. Furthermore, it provides tools that facilitate easy communication with customers by automating responses, sorting messages, and enabling quick replies. In addition to supporting small enterprises, WhatsApp also assists medium and large businesses in delivering customer support and crucial notifications. To discover more about the WhatsApp Business API, you can visit their website. Privacy is a priority on WhatsApp, which is why our latest app versions feature end-to-end encryption, ensuring that your most intimate conversations remain confidential. With this security measure, only you and your conversation partner can access your messages and calls, safeguarding them from interception by anyone else, including WhatsApp itself. This commitment to security reinforces our dedication to maintaining your privacy while you connect with others.

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.

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.

Spike integrates all your workspace into one Inbox. This includes email, chat and calendar, calls, team collaboration, tasks, calls, and even calls. You can now do your work in one feed so you don't have to switch between apps. Spike's conversational email merges traditional email with instant messaging, eliminating cluttered email threads. Live collaboration and real-time communication allow for better interactions and a more human communication environment. Spike is available for iOS, Android, Mac and Windows.

Front is the all-in-one customer service platform built for collaboration. Our powerful customer service platform makes five-star service attainable for over 9,000 businesses like yours.

Mattermost is an open-source messaging platform that allows for secure team collaboration. You can create intuitive workflows and collaborate across large groups without worrying about data privacy or security. You can quickly get up and running with hundreds of pre-built integrations or create custom workflows that can scale to thousands of concurrent users. Mattermost connects people, tools and automation to improve collaboration. This is how many of the world's most privacy-conscious companies work. Mattermost is used by DevOps teams to facilitate collaboration at all stages of the DevOps process. Mattermost combines people, tools, and automations to enable your team to increase innovation and agility. Mattermost is an open-source Slack alternative. It is written in Golang, React and runs as one Linux binary with MySQL and PostgreSQL. Access the source code and enjoy the features you love (file sharing, real time group chat, and webhooks to name a few).

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.