Skip to content

Cal.com vs OpenProject

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

Cal.com icon
Cal.com
OpenProject icon
OpenProject

Cal.com vs OpenProject: The Verdict

⚡ Summary:

Cal.com: Cal.com is an open-source online booking and scheduling software. It allows users to set up a free scheduling link for appointments, meetings, phone calls, and more. It integrates with common calendar apps and includes features like customizable pages, payment processing, and analytics.

OpenProject: OpenProject is an open source project management software. It provides tools to plan projects and tasks, track time and costs, collaborate with teams, and report on progress. Key features include Gantt charts, roadmaps, issue tracking, forums, wikis, and document 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 Cal.com OpenProject
Sugggest Score — —
Category Online Services Business & Commerce
Pricing Open Source Open Source

Product Overview

Cal.com
Cal.com

Description: Cal.com is an open-source online booking and scheduling software. It allows users to set up a free scheduling link for appointments, meetings, phone calls, and more. It integrates with common calendar apps and includes features like customizable pages, payment processing, and analytics.

Type: software

Pricing: Open Source

OpenProject
OpenProject

Description: OpenProject is an open source project management software. It provides tools to plan projects and tasks, track time and costs, collaborate with teams, and report on progress. Key features include Gantt charts, roadmaps, issue tracking, forums, wikis, and document management.

Type: software

Pricing: Open Source

Key Features Comparison

Cal.com
Cal.com Features
  • Open-source online booking and scheduling software
  • Set up free scheduling links for appointments, meetings, calls, etc
  • Integrates with common calendar apps like Google Calendar, Office 365, iCloud
  • Customizable booking pages
  • Payment processing through Stripe
  • Analytics and reporting
  • Team scheduling and collaboration
  • Recurring appointments
  • Email and SMS reminders
OpenProject
OpenProject Features
  • Gantt charts
  • Roadmaps
  • Issue tracking
  • Forums
  • Wikis
  • Document management

Pros & Cons Analysis

Cal.com
Cal.com

Pros

  • Free and open source
  • Easy to set up and use
  • Great integration options
  • Customizable and white-label booking pages
  • Scales for individuals to teams
  • Great for small businesses and freelancers

Cons

  • Limited features in free version
  • Must host yourself or use paid hosting
  • Steeper learning curve than SaaS options
  • Less polished than paid solutions
OpenProject
OpenProject

Pros

  • Open source and free
  • Customizable and extensible
  • Good collaboration features
  • Intuitive user interface

Cons

  • Can be complex for simple needs
  • Limited reporting compared to paid options
  • Steep learning curve

Pricing Comparison

Cal.com
Cal.com
  • Open Source
OpenProject
OpenProject
  • Open Source

Related Comparisons

YouCanBook.Me
vs Cal.com vs OpenProject

Learn More About Each Product

Cal.com
Cal.com
Reviews, pricing & alternatives →
OpenProject
OpenProject
Reviews, pricing & alternatives →

Ready to Make Your Decision?

Explore more software comparisons and find the perfect solution for your needs

Cal.com Alternatives
OpenProject Alternatives
Browse More Software