Slack vs. Mattermost: Comparing Best Team Collaboration Solutions 2026

Overview: Slack and Mattermost as Team Collaboration Category solutions.

Slack: Slack is a productivity platform that enhances team communication. It offers faster, better-organized, and more secure interactions than email.

Mattermost: Mattermost enables teams to rapidly progress towards shared goals. It allows quick adaptation to changing conditions across geographies and time zones.

This comparison of Slack vs. Mattermost draws on 70730 Cuspera insights from customer stories. The use cases and topics below show where the two products overlap and where each one stands apart.

Slack supports Sales and service process automation, Customer service automation, Customer support automation, AI-powered customer service automation, etc.

Mattermost supports Internal communications consolidation, Secure collaboration for nonprofit support, IT service delivery communication, Support ticket workflow automation, etc.

Evidence shows that both products are used for Collaboration platforms, Data management, Collaboration and communication, Community management, etc.

Slack also covers Customer engagement, Sales automation, Customer support automation, Customer service automation, etc.

Mattermost also covers Incident management, Command and control communication, Collaboration and messaging, Cybersecurity management, etc.

Top use cases: Slack vs Mattermost

Use cases tied to Slack and Mattermost from verified data sources. Click any use case for supporting evidences.

Slack Mattermost

Top Capabilities: Slack vs Mattermost

Lengths: relative topic prominence (square-root scale) · Labels: comparison split. Click any item for supporting evidences.

Slack
Shared
Mattermost
Shared by both · Topics
Slack only
Mattermost only

Deployed Industries: Slack vs Mattermost

Lengths: relative industry prominence (square-root scale) · Labels: comparison split. Click any item for supporting evidences.

Slack
Shared
Mattermost
Shared by both · Industries
Slack only
Mattermost only

Deployed Market Segments: Slack vs Mattermost

Share of peer evidence by company size for Slack and Mattermost. Each product segments add up to 100%. Click any segment for supporting evidence.

Slack 100%
Mattermost 100%

Slack and Mattermost: Best activities based on customer satisfaction

Slack in Action: Unique Activities

What benefits does Slack offer for Collaboration?
Slack facilitates collaboration among teams and external collaborators through instant messaging, file sharing, and integration with other communication platforms. It enhances communication and workflow by streamlining internal processes and eliminating the need for email. Slack's functionality is limited by the lack of a comprehensive file management system for collaborative projects.
"...We also use to setup video call and share screens with people who work remotely. ...." Peer review by Gayatri K., Software Engineer, Financial Services
What solutions does Slack provide for Communication Management?
Slack facilitates communication within teams by providing a platform for real-time messaging, file sharing, and integration with various tools. It also enables archiving of messages for future reference. While Slack allows for quick communication and integration with other applications, the lack of a straightforward method to post emails to specific project chats presents a limitation.
"...With Slack, my team is solving the problems that come with publishing and developing mobile games...." Peer review by April J, Community Manager
Why is Slack the best choice for Content Management?
Slack enables content sharing within groups, including documents, images, videos, and links. Users can also integrate external platforms for document sharing and leverage built-in features like upvoting and tagging to engage with content. However, Slack’s search capabilities can be limited, making it difficult to efficiently locate specific conversations or content within channels.
"...Slack has taken the use of emoji responses and the ease of sharing uploads/links to the next level...." Peer review by Anonymous Reviewer
How efficiently Does Slack manage your Sales Document Management?
Slack facilitates document sharing among team members. It enables easy document distribution and simplifies communication through a central platform. Slack's document storage has limited capacity and may delete files after a short period.
"...All task records and documents shared with project mates are kept recorded in slack...." Peer review by Clinton r., Assistant project manager, Automotive
What Are the key features of Slack for Engagement Management?
Slack enables communication and collaboration through instant messaging, file sharing, and video conferencing. It facilitates engagement with colleagues and external stakeholders, including customer follow-ups and team coordination. However, Slack lacks robust organizational features for managing activities and tracking progress.
"...We started to engage with tech teams and Slack seems to be the most common way to communicate...." Peer review by Anonymous Reviewer

Mattermost in Action: Unique Activities

How can Mattermost optimize your Workflow Management Workflow?
Mattermost aids in managing workflows by facilitating communication and collaboration among teams. The platform integrates with other software, allowing for automation and streamlining of tasks, improving overall work efficiency. The platform's limitations include a lack of advanced project management features.
"...Integration with other software in our mostly open source workflow...." Peer review by Caleb Maclennan
What makes Mattermost ideal for Training & Onboarding?
Mattermost is used by development teams to facilitate communication and collaboration. Mattermost offers free online training programs and onboarding sessions to help users become familiar with the platform. However, the lack of pre-configured settings can make it difficult to quickly onboard new team members.
"...Mattermost is currently used by our development teams to communicate with each other throughout the day...." Peer review by Angela Goldsmith, PMP, Director of Systems Development, Dark Horse Comics

News

Latest Slack news

Snaps Specs Get an Enterprise Boost from Salesforce and Nvidia

Salesforce partners with Snap Inc. to integrate its Agentforce AI agents into Snap's Specs augmented-reality glasses for enterprise use. This integration aims to enhance hands-free workplace tasks in various environments, leveraging Salesforce's AI capabilities to provide practical applications for Snap's Specs in the enterprise market.

21/09/2026 - source

Latest Mattermost news

Mattermost and Virtru Partner to Deliver Zero Trust Data Protection for National Security and Mission-Critical Operations

Mattermost and Virtru have partnered to integrate Zero Trust Data Format (ZTDF) technology into Mattermost's collaboration platform. This integration enhances data-centric security for national security and intelligence operations, allowing persistent cryptographic file protection within Mattermost workflows. The partnership aligns with Department of War's Zero Trust Strategy, supporting compliance with CMMC and NIST SP 800-171.

27/07/2026 - source