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OmniPlan vs Open Atrium

Professional comparison and analysis to help you choose the right software solution for your needs.

OmniPlan icon
OmniPlan
Open Atrium icon
Open Atrium

OmniPlan vs Open Atrium: The Verdict

⚡ Summary:

OmniPlan: OmniPlan is project management software for Mac that helps users manage complex projects with Gantt charts, milestones, resource allocation, and more. It has an intuitive interface optimized for Mac with features like automatic layout adjustment and macOS design integration.

Open Atrium: Open Atrium is an open source intranet and collaboration platform built on Drupal. It provides tools like wikis, blogs, calendars, and file sharing to improve team communication and project management.

Both tools serve their respective audiences. Compare the features, pricing, and user ratings above to determine which best fits your needs.

Last updated: May 2026 · Comparison by Sugggest Editorial Team

Feature OmniPlan Open Atrium
Sugggest Score — —
Category Office & Productivity Business & Commerce
Pricing Subscription Open Source

Product Overview

OmniPlan
OmniPlan

Description: OmniPlan is project management software for Mac that helps users manage complex projects with Gantt charts, milestones, resource allocation, and more. It has an intuitive interface optimized for Mac with features like automatic layout adjustment and macOS design integration.

Type: software

Pricing: Subscription

Open Atrium
Open Atrium

Description: Open Atrium is an open source intranet and collaboration platform built on Drupal. It provides tools like wikis, blogs, calendars, and file sharing to improve team communication and project management.

Type: software

Pricing: Open Source

Key Features Comparison

OmniPlan
OmniPlan Features
  • Gantt charts
  • Milestones
  • Resource allocation
  • Automatic layout adjustment
  • macOS design integration
Open Atrium
Open Atrium Features
  • Wikis
  • Blogs
  • Calendars
  • File sharing
  • Project management tools
  • Team communication tools

Pros & Cons Analysis

OmniPlan
OmniPlan

Pros

  • Intuitive interface optimized for Mac
  • Powerful project management features
  • Integrates well with macOS design

Cons

  • Mac only, no Windows or mobile versions
  • Can be pricey for individual users
  • Steep learning curve
Open Atrium
Open Atrium

Pros

  • Open source
  • Built on Drupal so can leverage Drupal modules and community
  • Good for intranets and team collaboration
  • Has basic features like wikis, blogs, calendars out of the box

Cons

  • Can be complex to set up and manage
  • Not as feature rich as some proprietary alternatives
  • Limited native mobile support

Pricing Comparison

OmniPlan
OmniPlan
  • Subscription
Open Atrium
Open Atrium
  • Open Source

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Learn More About Each Product

OmniPlan
OmniPlan
Reviews, pricing & alternatives →
Open Atrium
Open Atrium
Reviews, pricing & alternatives →

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