Quick Overview
- 1#1: Slack - A versatile team collaboration platform with channels, direct messaging, file sharing, and thousands of app integrations.
- 2#2: Microsoft Teams - An all-in-one workspace integrating chat, video meetings, file storage, and Office app collaboration for enterprises.
- 3#3: Discord - A voice, video, and text chat app designed for communities, gamers, and teams with customizable servers and roles.
- 4#4: Telegram - A fast, secure messaging app supporting large groups, channels, bots, and cloud-based syncing across devices.
- 5#5: WhatsApp - A cross-platform messenger offering end-to-end encrypted chats, voice/video calls, and group messaging for personal and business use.
- 6#6: Signal - A privacy-focused messaging app with end-to-end encryption for texts, voice, video, and group communications.
- 7#7: Mattermost - An open-source, self-hosted alternative to Slack for secure team messaging with channels, integrations, and compliance features.
- 8#8: Rocket.Chat - An open-source team chat platform with real-time messaging, video conferencing, and extensive customization options.
- 9#9: Zulip - A threaded messaging tool organizing conversations by topic for better focus in teams and open-source communities.
- 10#10: Element - A secure, decentralized chat client based on the Matrix protocol supporting end-to-end encryption and federation.
We prioritized tools based on feature depth (like integrations, encryption, and scalability), user experience quality, intuitive design, and overall value across personal and professional contexts.
Comparison Table
Modern communication relies on a variety of chatting tools, from professional workspaces to casual community hubs and global messaging platforms. This table compares leading options like Slack, Microsoft Teams, Discord, Telegram, WhatsApp, and more, breaking down key features, usability, and best-fit scenarios to guide informed choices.
| # | Tool | Category | Overall | Features | Ease of Use | Value |
|---|---|---|---|---|---|---|
| 1 | Slack A versatile team collaboration platform with channels, direct messaging, file sharing, and thousands of app integrations. | enterprise | 9.6/10 | 9.8/10 | 9.4/10 | 9.2/10 |
| 2 | Microsoft Teams An all-in-one workspace integrating chat, video meetings, file storage, and Office app collaboration for enterprises. | enterprise | 9.2/10 | 9.5/10 | 8.7/10 | 9.0/10 |
| 3 | Discord A voice, video, and text chat app designed for communities, gamers, and teams with customizable servers and roles. | other | 9.2/10 | 9.5/10 | 8.5/10 | 9.8/10 |
| 4 | Telegram A fast, secure messaging app supporting large groups, channels, bots, and cloud-based syncing across devices. | other | 9.2/10 | 9.6/10 | 8.9/10 | 9.8/10 |
| 5 | WhatsApp A cross-platform messenger offering end-to-end encrypted chats, voice/video calls, and group messaging for personal and business use. | other | 9.2/10 | 9.0/10 | 9.5/10 | 9.8/10 |
| 6 | Signal A privacy-focused messaging app with end-to-end encryption for texts, voice, video, and group communications. | other | 9.4/10 | 8.8/10 | 9.6/10 | 10/10 |
| 7 | Mattermost An open-source, self-hosted alternative to Slack for secure team messaging with channels, integrations, and compliance features. | enterprise | 8.7/10 | 9.1/10 | 8.3/10 | 9.4/10 |
| 8 | Rocket.Chat An open-source team chat platform with real-time messaging, video conferencing, and extensive customization options. | enterprise | 8.7/10 | 9.2/10 | 7.8/10 | 9.5/10 |
| 9 | Zulip A threaded messaging tool organizing conversations by topic for better focus in teams and open-source communities. | other | 9.0/10 | 9.5/10 | 8.0/10 | 9.8/10 |
| 10 | Element A secure, decentralized chat client based on the Matrix protocol supporting end-to-end encryption and federation. | other | 8.0/10 | 8.5/10 | 7.5/10 | 9.5/10 |
A versatile team collaboration platform with channels, direct messaging, file sharing, and thousands of app integrations.
An all-in-one workspace integrating chat, video meetings, file storage, and Office app collaboration for enterprises.
A voice, video, and text chat app designed for communities, gamers, and teams with customizable servers and roles.
A fast, secure messaging app supporting large groups, channels, bots, and cloud-based syncing across devices.
A cross-platform messenger offering end-to-end encrypted chats, voice/video calls, and group messaging for personal and business use.
A privacy-focused messaging app with end-to-end encryption for texts, voice, video, and group communications.
An open-source, self-hosted alternative to Slack for secure team messaging with channels, integrations, and compliance features.
An open-source team chat platform with real-time messaging, video conferencing, and extensive customization options.
A threaded messaging tool organizing conversations by topic for better focus in teams and open-source communities.
A secure, decentralized chat client based on the Matrix protocol supporting end-to-end encryption and federation.
Slack
enterpriseA versatile team collaboration platform with channels, direct messaging, file sharing, and thousands of app integrations.
Channel-based organization with threaded conversations for focused, searchable team discussions
Slack is a premier team communication platform that enables real-time messaging through organized channels, direct messages, and group conversations. It centralizes workplace collaboration with features like threaded replies, file sharing, video huddles, and powerful search across message history. With thousands of app integrations, Slack streamlines workflows, reducing reliance on email and boosting team productivity.
Pros
- Highly customizable channels and workspaces for organized discussions
- Extensive integrations with over 2,500 apps including Google Workspace and Zoom
- Advanced search and unlimited message history on paid plans
Cons
- Notification overload can be distracting without proper management
- Free plan limits message history to 90 days and concurrent huddles
- Higher costs for enterprise features and large teams
Best For
Remote and hybrid teams needing a scalable, integration-rich hub for daily communication and collaboration.
Pricing
Free plan for basic use; Pro at $7.25/user/month; Business+ at $12.50/user/month (annual billing).
Microsoft Teams
enterpriseAn all-in-one workspace integrating chat, video meetings, file storage, and Office app collaboration for enterprises.
Channel-based team chats with persistent threading and @mentions for structured, scalable discussions
Microsoft Teams is a versatile collaboration platform centered around robust chatting capabilities, including one-on-one messaging, group chats, and organized channels for team discussions. It facilitates real-time communication with features like reactions, GIFs, threaded replies, and file sharing directly in chats. Integrated with Microsoft 365, it enhances productivity by allowing seamless access to documents, calendars, and tasks within conversations.
Pros
- Deep integration with Microsoft 365 apps like Outlook and OneDrive
- Enterprise-grade security, compliance, and admin controls
- Advanced chat organization with channels, mentions, and search
Cons
- Interface can feel cluttered with too many features
- Resource-intensive on lower-end devices
- Limited customization compared to pure chat apps like Slack
Best For
Enterprise teams and organizations needing secure, integrated chatting within a broader Microsoft ecosystem.
Pricing
Free basic version; paid plans start at $6/user/month via Microsoft 365 Business Basic.
Discord
otherA voice, video, and text chat app designed for communities, gamers, and teams with customizable servers and roles.
Server-based organization with persistent voice channels for effortless group conversations
Discord is a free communication platform designed for creating customizable servers with text, voice, and video channels for real-time chatting and collaboration. It excels in community building with features like roles, permissions, bots, and integrations, making it popular among gamers and online groups. Users can share screens, stream games, and host events seamlessly across desktop, mobile, and web.
Pros
- Exceptional low-latency voice and video chat
- Highly customizable servers with roles and bots
- Cross-platform availability and strong community tools
Cons
- Steep learning curve for beginners due to complex interface
- Resource-intensive on lower-end devices
- Moderation challenges in large public servers
Best For
Gamers, streamers, and online communities needing robust, real-time group communication.
Pricing
Free core features; Nitro ($9.99/month or $99.99/year) for custom emojis, higher upload limits, and server boosts.
Telegram
otherA fast, secure messaging app supporting large groups, channels, bots, and cloud-based syncing across devices.
Channels and supergroups supporting up to 200,000 members for scalable broadcasting and community management
Telegram is a free, cross-platform messaging app renowned for its speed, security features, and extensive capabilities beyond basic chatting. It supports one-on-one chats, massive groups up to 200,000 members, channels for broadcasting to unlimited audiences, voice/video calls, and file sharing up to 2GB per file. With cloud syncing, bots, and customizable themes, it's designed for both personal and community use across desktop, mobile, and web.
Pros
- Lightning-fast performance and reliable syncing across devices
- Powerful channels, supergroups, and bot ecosystem for communities
- Generous file sharing limits and no ads in core features
Cons
- Default chats lack end-to-end encryption (only in Secret Chats)
- Requires phone number for signup, raising privacy concerns
- Feature-rich interface can feel overwhelming for casual users
Best For
Power users, communities, and large groups needing advanced broadcasting, bots, and high-volume file sharing.
Pricing
Free core app; Telegram Premium ($4.99/month) unlocks faster downloads, exclusive stickers, and advanced chat features.
A cross-platform messenger offering end-to-end encrypted chats, voice/video calls, and group messaging for personal and business use.
Default end-to-end encryption across all chats and calls
WhatsApp is a cross-platform instant messaging app owned by Meta that enables text messaging, voice and video calls, group chats, file sharing, and status updates over the internet. It supports end-to-end encryption for all communications, ensuring privacy, and works seamlessly across mobile devices, web browsers, and desktop apps. With features like channels, communities, and business tools, it's designed for both personal and professional chatting needs.
Pros
- End-to-end encryption for secure messaging
- Free with no ads or subscriptions
- Reliable voice/video calls and cross-platform support
Cons
- Requires phone number for registration
- Privacy concerns due to Meta ownership
- Limited customization and spam in groups
Best For
Individuals and small teams seeking free, secure, and easy-to-use personal or casual group messaging worldwide.
Pricing
Completely free for all users, with optional business API features.
Signal
otherA privacy-focused messaging app with end-to-end encryption for texts, voice, video, and group communications.
The open-source Signal Protocol providing default end-to-end encryption audited for security
Signal is a free, open-source cross-platform messaging app that provides end-to-end encrypted text messaging, voice and video calls, group chats, and stories. It emphasizes privacy by not collecting user data, offering disappearing messages, and ensuring all communications are secured by the Signal Protocol. Available on iOS, Android, Windows, macOS, and Linux, it syncs seamlessly across devices without compromising security.
Pros
- Unparalleled end-to-end encryption and privacy
- Completely free with no ads or data selling
- Intuitive interface and reliable cross-platform support
- High-quality voice and video calling
Cons
- Requires phone number for registration
- Smaller user base than mainstream apps
- Limited native backup options to maintain security
Best For
Privacy-focused individuals and groups seeking secure, encrypted communication without compromises.
Pricing
Entirely free; no subscriptions, ads, or in-app purchases.
Mattermost
enterpriseAn open-source, self-hosted alternative to Slack for secure team messaging with channels, integrations, and compliance features.
Self-hosted deployment with enterprise-grade compliance and data sovereignty
Mattermost is an open-source, self-hosted team communication platform that serves as a secure alternative to Slack, offering channels, direct messaging, file sharing, and threaded conversations. It emphasizes data sovereignty, compliance with standards like GDPR, HIPAA, and SOC 2, and supports integrations with over 1,000 tools. Designed for enterprises, it includes advanced features like playbooks for workflows, boards for task management, and end-to-end encryption options.
Pros
- Open-source and fully self-hostable for complete data control
- Robust security and compliance features for regulated industries
- Extensive integrations, plugins, and workflow automation tools
Cons
- Self-hosting requires significant technical setup and maintenance
- User interface feels less polished than Slack or Microsoft Teams
- Advanced features like AI and premium support locked behind paid tiers
Best For
Enterprise teams in high-compliance sectors like finance, healthcare, and government needing secure, on-premises chatting with strong customization.
Pricing
Free open-source self-hosted edition; Cloud Starter free (up to 10 users with limits), Professional at $10/user/month, Enterprise custom pricing.
Rocket.Chat
enterpriseAn open-source team chat platform with real-time messaging, video conferencing, and extensive customization options.
Self-hosted deployment with federation support for ultimate data control and interoperability
Rocket.Chat is a fully open-source team collaboration platform offering secure messaging, voice/video calls, file sharing, and channels similar to Slack or Teams. It emphasizes self-hosting for complete data control, privacy, and customization, with support for on-premises deployment. The platform includes mobile/desktop apps, bots, and thousands of integrations, making it suitable for enterprises needing compliant communication solutions.
Pros
- Fully open-source with self-hosting for data sovereignty
- Extensive integrations and customization options
- Strong security features including E2E encryption and compliance tools
Cons
- Complex initial setup and ongoing maintenance for self-hosted instances
- Community edition misses some enterprise-grade features
- Performance can lag in very large-scale deployments without optimization
Best For
Organizations seeking a customizable, privacy-focused alternative to cloud-based chat tools with full control over their infrastructure.
Pricing
Free Community edition; Pro plan at $4/user/month; Enterprise from $6.67/user/month with advanced support and features.
Zulip
otherA threaded messaging tool organizing conversations by topic for better focus in teams and open-source communities.
Topic-based threading where every message is grouped under a narrow topic for unparalleled organization
Zulip is an open-source team chat application that emphasizes threaded, topic-based conversations to keep discussions organized and searchable. It supports real-time messaging, integrations with tools like GitHub and Jira, and offers both self-hosted and cloud-hosted deployments. Designed for productivity in large teams or complex projects, Zulip excels at handling high message volumes without the chaos of linear channels.
Pros
- Superior topic-based threading keeps channels clean and focused
- Fully open-source with self-hosting for full control and no user limits
- Powerful full-text search across unlimited message history
Cons
- Threading model has a learning curve for Slack/Discord users
- Dense interface can feel overwhelming at first
- Mobile apps lag slightly behind desktop experience
Best For
Engineering teams and organizations prioritizing structured, asynchronous communication in large-scale projects.
Pricing
Free self-hosted; cloud plans start at $6.67/user/month (billed annually) for Standard tier with unlimited history.
Element
otherA secure, decentralized chat client based on the Matrix protocol supporting end-to-end encryption and federation.
Federated Matrix protocol for seamless, decentralized communication across independent servers
Element is a secure, open-source messaging client built on the decentralized Matrix protocol, enabling end-to-end encrypted text chat, voice/video calls, and file sharing across federated servers. It supports spaces for organizing rooms, integrations with bridges to other platforms like Slack or IRC, and self-hosting for full control. Ideal for privacy-focused users, it prioritizes security and interoperability over a consumer-grade polish.
Pros
- End-to-end encryption by default with strong security features
- Decentralized federation allowing cross-server communication
- Free, open-source, and highly customizable with self-hosting options
Cons
- User interface feels clunky and dated compared to modern apps
- Performance can lag in large rooms or with many users
- Initial setup and server management require technical knowledge
Best For
Privacy-conscious teams, developers, and organizations seeking secure, decentralized chatting without vendor lock-in.
Pricing
Completely free and open-source; Element Matrix Services offers hosted plans from $5/user/month.
Conclusion
The top 10 tools in this review highlight the versatility of chatting software, ranging from team-focused platforms like Slack to community-driven apps like Discord. Leading the pack is Slack, a robust choice with seamless collaboration features, while Microsoft Teams and Discord offer strong alternatives—ideal for enterprises and specialized groups, respectively. Each tool serves distinct needs, but Slack stands out as the top pick for its well-rounded functionality. Final CTA: 'Experience the ease of seamless communication and integration with Slack, and discover why it remains a standout for teams and individuals alike.'
Tools Reviewed
All tools were independently evaluated for this comparison