By Mattermost
Report updated Apr 18, 2026
Mattermost Desktop
For high-impact organizations in defense, government, critical infrastructure, and regulated industries that require secure, sovereign, and mission-critical communication platforms.
Mattermost Desktop is an established business app that is available. With a 4.6/5 rating from 19.5K reviews, it shows polarized user reception. Users particularly appreciate self-hosting & open source value, though app stability and crashes remains a common concern.
What is Mattermost Desktop?
Current Momentum
v6.1
Requires Mattermost server v10.11.0+ to avoid incompatibilities and crashes. Requires Android 7.0 or higher. - Added support for AI rewrites when Agents is enabled on the server. - Permalink previews are now properly automatically translated. - Added support for filewillbedownloaded and sendtoastmessage plugin APIs. - Added various bug fixes.
Active Nemesis
Slack
By Slack Technologies
Other Rivals
7-Day Rank Pulse 🇺🇸
BusinessNo ranking data
Rating Pulse 🇺🇸
Recent User MoodAI-powered deep analysis surfacing high-signal insights. Still in beta, accuracy improves daily. For informational purposes only.
What makes this app unique?
What Does It Look Like?
How Is The App's Momentum Right Now?
Loading...
What Are The Key Features?
Full control over data with options for on-premises, private cloud, or air-gapped network hosting.
Orchestrate and execute repeatable processes using checklist-based workflows for incident response.
AI-powered assistant for drafting messages and summarizing long conversation threads.
How much does it cost?
- Free self-hosted server option
- Enterprise/Professional subscription plans for advanced security and compliance features
Focuses on B2B/Enterprise sales with a 'try before you buy' model via self-hosted servers, targeting high-security organizations that require data sovereignty.
Who Built It?
Mattermost
Providing secure, self-sovereign communication and workflow platforms for high-security and regulated industries. Enabling operational control through private cloud and on-premise deployment.
Portfolio
3
Apps
Who is Mattermost?
Mattermost differentiates itself by prioritizing operational sovereignty and data control, positioning its platform as a secure alternative to consumer-grade messaging tools for defense, intelligence, and critical infrastructure. Their moat is built on the ability to support self-hosted and private cloud environments, which is a critical requirement for organizations that cannot rely on public SaaS infrastructure. The strategic tension lies in balancing their open-source roots with the enterprise-grade security and compliance features required to maintain their foothold in highly regulated sectors.
Who is Mattermost for?
- Technical teams
- Government agencies
- Organizations in critical infrastructure requiring high-security
- Sovereign communication tools
Portfolio momentum
Released 8 updates across 3 apps in the last 6 months with consistent maintenance of core business communication tools.
What other apps does Mattermost make?
What do users think recently?
High confidence · 62 reviews analyzed · Based on 62 reviews. Signal may be noisy.
What is the recent mood?
Recent user voice shows a mixed sentiment. Users appreciate self-hosting & open source value, but report app stability and crashes.
What Users Love
What Frustrates Users
What is the competitive landscape for Mattermost Desktop?
How's The Business Market?
Market outlook for this category
Available very soon
The rivals identified
The Nemesis
- -
Slack Connect
- -
Slack AI
Contenders
Microsoft 365 Copilot
Teams Phone
Rocket.Chat
★4.4 (15.8K)Rocket.Chat Technologies Corp.
⚡The closest direct competitor in the open-source, self-hosted, and sovereign communication space.
Custom Soundboard and Stickers
Screen Sharing
Element Classic
★3.4 (7.5K)Vector Creations Limited
⚡Focuses on decentralized, end-to-end encrypted communication, appealing to the same security-conscious user base.
Peers
Zoom AI Companion
Unified Communication Platform
AI-Powered Agents
Work OS Customization
Asana: Work Management
★3.9 (45.1K)Asana, Inc.
⚡Competes for the 'workflow orchestration' and project management share of the enterprise communication budget.
iManjira
★3.3 (6)Prasad Upasani
💀The industry standard for technical task tracking that often serves as the primary integration point for communication platforms.
New Kids on the Block
Pumble
★4.7 (1.3K)CAKE.com
⚡A rising team chat platform gaining traction by offering a simplified, cost-effective alternative to established enterprise giants.
Beeper
★3.8 (4.5K)Automattic
⚡Innovative approach to unifying disparate communication channels, appealing to teams looking for cross-platform efficiency.
The outtake for Mattermost Desktop
Strengths to defend, gaps to attack
Core Strengths
- Full data sovereignty and self-hosting capabilities
- Integrated workflow orchestration via Playbooks
- Open-source foundation
- Strong alignment with defense and regulated industry requirements
Critical Frictions
- Frequent mobile application crashes
- Persistent server synchronization and connectivity issues
- UI/UX rendering bugs
- High user churn risk due to instability
Growth Levers
- Expand market share in government sectors by emphasizing sovereign AI
- Improve mobile stability to capture users from less-secure platforms
- Enhance integration ecosystem to compete with Slack/Teams
- Leverage Copilot to drive enterprise-grade automation
Market Threats
- Established competitors (Slack/Teams) adding security features
- Reputational damage from ongoing mobile stability issues
- Potential for new, more stable open-source alternatives to emerge
- High cost of maintaining complex self-hosted infrastructure for customers
Key Takeaways
Mattermost Desktop is an established business app that is available. With a 4.6/5 rating from 19.5K reviews, it shows polarized user reception. Users particularly appreciate self-hosting & open source value, though app stability and crashes remains a common concern.
Where Is It Heading?
Trend analysis
Available very soon