
Mattermost
Open-source, self-hostable online chat and communication platform. Provides secure messaging for technical teams with extensive customization options.

Mattermost is an open-source team collaboration platform that serves as a secure alternative to Slack and Microsoft Teams. Designed specifically for organizations requiring high-security, self-hosted communication solutions, it has gained significant traction among development teams, IT departments, and enterprises prioritizing data sovereignty and customization capabilities.
Key benefits of Mattermost include:
-
Self-Hosted Control - Deploy Mattermost on your own infrastructure, maintaining complete control over sensitive data and communications while ensuring compliance with industry regulations and security requirements.
-
DevOps Integration - Seamlessly connects with popular development tools like Jenkins, GitHub, and GitLab, enabling automated workflows and real-time notifications within the communication platform.
-
Custom Workflows - Create tailored processes using powerful automation features and webhooks, allowing teams to streamline operations and reduce manual tasks through integrated command-and-response systems.
-
Enterprise Security - Implements advanced security features including end-to-end encryption, multi-factor authentication, and detailed audit logs to protect sensitive organizational communications.
-
Team Collaboration - Facilitates organized discussions through channels, direct messaging, and threaded conversations, while supporting file sharing and real-time collaboration across departments.
-
API Extensibility - Offers robust API capabilities for creating custom integrations and plugins, enabling organizations to extend functionality according to specific business needs.
-
Mobile Accessibility - Provides secure access across iOS and Android devices with native mobile apps, ensuring teams stay connected while maintaining security protocols.
-
Message Translation - Built-in translation capabilities support global teams by automatically translating messages across multiple languages, improving international collaboration and communication.
-
Compliance Management - Offers comprehensive compliance tools including message retention policies, legal hold capabilities, and detailed audit trails for regulated industries.
-
High Availability - Ensures continuous operation through clustering support, load balancing, and database replication, maintaining communication reliability for critical business operations.
-
Search Functionality - Features powerful search capabilities across messages, files, and shared content, with filters and advanced operators for precise information retrieval.
-
Community Support - Benefits from an active open-source community contributing to continuous improvement, security updates, and feature developments.
Mattermost stands out as a robust solution for organizations requiring secure, customizable team collaboration while maintaining data sovereignty. Its self-hosted nature and extensive integration capabilities make it particularly valuable for development teams and security-conscious enterprises. By providing enterprise-grade features with open-source flexibility, Mattermost enables organizations to build more efficient, secure, and collaborative work environments.
Github Statistics
Hosting
Sign up for DigitalOcean and get free $200 credits
Related Tools

World's most popular open-source content management system powering over 40% of all websites. Offers extensive plugin ecosystem, themes, and robust community support for blogs, e-commerce, and corporate websites. Highly customizable and scalable platform suitable for beginners and advanced developers.

Notion is a highly versatile all-in-one workspace platform that combines note-taking, knowledge management, project management, and collaboration tools.

Cloud-based collaboration and productivity platform providing integrated tools for project management, team communication, and software development. Offers suite of products including Jira, Confluence, and Trello for enterprise team collaboration.