Top 10 Best Opensource Intranet Software of 2026

Nextcloud is a premier open-source platform for self-hosted file sync, sharing, and collaboration, functioning as a full-featured intranet solution. It provides secure access to files, calendars, contacts, tasks, email, video conferencing via Talk, and project management tools like Deck, all accessible via web, desktop, and mobile apps. Designed for organizations prioritizing data sovereignty, it replaces proprietary suites like Google Workspace or Microsoft 365 with customizable, private infrastructure.

XWiki is a robust open-source wiki platform that serves as a comprehensive intranet solution, enabling collaboration, knowledge management, and custom application development within a single environment. It supports wikis, document management, forums, calendars, blogs, and integrates with numerous extensions for enterprise needs like project management and user directories. Highly extensible via its vast marketplace, it allows organizations to tailor intranets without vendor lock-in.

Tiki Wiki CMS Groupware is a mature, open-source platform that serves as a full-featured wiki, CMS, and groupware solution, ideal for building collaborative intranets. It provides extensive tools including wikis, forums, blogs, calendars, file galleries, surveys, newsletters, and powerful trackers for custom data management and workflows. With over 20 years of development, it offers unparalleled customization through modules, themes, perspectives, and plugins, enabling organizations to create tailored intranet environments.

Liferay is a robust open-source digital experience platform designed for building enterprise-grade intranets, portals, and websites. It provides comprehensive tools for content management, collaboration (wikis, forums, blogs), user directories, document libraries, and workflow automation. As an intranet solution, it excels in creating secure, scalable environments for large organizations with multi-site and role-based access controls.

Alfresco Community Edition is a robust open-source enterprise content management (ECM) platform designed for document storage, collaboration, and workflow automation. It powers intranet solutions through Alfresco Share, offering team sites, dashboards, wikis, forums, and document libraries with version control and full-text search. While highly extensible, it excels in regulated industries needing secure content governance but requires technical expertise for optimal deployment.

eXo Platform is an open-source digital workplace and intranet solution designed for enterprise collaboration and productivity. It provides features like customizable spaces for teams, document management, wikis, calendars, forums, and a social intranet with gamification elements. The platform supports extensibility through an app marketplace and integrations with tools like Microsoft 365 and Google Workspace, making it suitable for knowledge sharing and remote work.

HumHub is an open-source social intranet platform that enables organizations to build collaborative networks with features like user profiles, spaces for teams/projects, activity streams, and integrated tools for communication and file sharing. It supports wikis, calendars, tasks, and notifications to foster internal engagement and productivity. The modular design allows extensive customization through a marketplace of extensions, making it adaptable for various intranet needs.

OpenProject is a powerful open-source project management platform that functions as a web-based intranet solution for teams to collaborate on tasks, projects, and documentation. It provides tools like work packages, agile and kanban boards, Gantt charts, wikis, forums, and time tracking, enabling centralized team communication and workflow management. Self-hostable with strong customization options, it's ideal for organizations prioritizing data control and extensibility in an intranet setting.

OpenKM is an open-source document management system (DMS) that serves as a robust intranet solution for storing, organizing, and retrieving corporate documents securely. It features full-text search, version control, workflow automation, OCR capabilities, and role-based access controls to facilitate team collaboration. Deployable on-premises or in the cloud, it centralizes knowledge management within organizations via a web-based interface.

BookStack is an open-source, self-hosted knowledge base platform that organizes information into a hierarchical structure of shelves, books, chapters, and pages. It provides a simple WYSIWYG editor for creating rich content, supports attachments, diagrams, and user permissions, making it suitable for internal documentation and team wikis. Ideal for intranets focused on structured knowledge sharing rather than full collaboration suites.