Trello vs Cal.com

Detailed comparison to help you choose the right tool for your needs

T

Trello

Simple, visual project boards

4.4
Editorial Rating
C

Cal.com

Open-source scheduling infrastructure for everyone

4.5
Editorial Rating

Quick Comparison

Rating

4.4
vs
4.5

Starting Price

Free
vs
Free

Pricing Model

freemium
vs
freemium
Feature
Trello
Cal.com
Unlimited cards
Kanban boards
Power-Ups
Butler automation
Mobile apps
Templates
Unlimited event types
Calendar integrations
API access
Self-hosting option
Team scheduling
Embed widgets

Trello Pros

  • Dead simple to use
  • Great free tier
  • Visual and intuitive
  • Excellent for kanban workflows

Trello Cons

  • Limited views on free plan
  • Not ideal for complex projects
  • Basic reporting

Cal.com Pros

  • Fully open-source with self-hosting option
  • No booking limits on free plan
  • Deep API and webhook support
  • Active community and rapid development

Cal.com Cons

  • Self-hosted setup requires technical knowledge
  • Fewer native integrations than Calendly
  • UI less polished than commercial alternatives

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