Open Atrium is a Drupal‑based collaboration suite for building intranets, project workspaces, and social communities. Below is a curated list of 20 modern intranet platforms that can replace Open Atrium, offering features such as document management, employee engagement, workflow automation, and seamless integration with existing SaaS tools.
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Enterprise‑grade intranet and content management platform with deep Office 365 integration, robust permissions, and workflow automation.
Team collaboration wiki with rich page editing, macros, and integration with Jira, Trello, and hundreds of add‑ons.
All‑in‑one intranet, CRM, and collaboration suite featuring activity streams, document libraries, and task management.
Modern cloud intranet with customizable pages, social feeds, knowledge bases, and analytics for employee engagement.
Digital workplace platform that combines intranet, communication, and learning tools with AI‑driven content recommendations.
Social collaboration suite offering communities, discussion forums, file sharing, and integrated analytics.
Employee intranet focused on ease‑of‑use, personalization, and integration with Microsoft 365 and Google Workspace.
Open‑source‑friendly intranet platform with drag‑and‑drop page building, social features, and extensible APIs.
Secure intranet solution with content management, employee directories, and workflow automation for midsize enterprises.
Google Workspace‑native intranet that unifies Drive, Gmail, and Calendar with a social newsfeed and knowledge hub.
Enterprise communication platform built on Facebook’s familiar UI, offering groups, chat, live video, and integration with third‑party apps.
Collaboration hub with forums, feeds, file sharing, and task management, tightly integrated with the Zoho suite.
Highly customizable portal and digital experience platform for building tailored intranets, extranets, and portals.
Simple, cloud‑based site builder that can serve as a lightweight intranet when paired with Google Workspace tools.
Unified workspace combining chat, docs, tasks, and video calls with a built‑in intranet‑style home page.
Integrated digital workplace offering intranet, collaboration, HR, and project management modules.
Enterprise content management platform that can be extended into a powerful, customizable intranet solution.
Turnkey intranet SaaS with drag‑and‑drop page builder, employee directory, and built‑in analytics.
Employee portal focused on onboarding, knowledge sharing, and internal communications with a modern UI.
All‑in‑one intranet platform featuring workflow automation, social collaboration, and a robust document library.