Cal.comvsPlanka

Side-by-side open source comparison

Cal.comOpen Source

Open source scheduling infrastructure — the Calendly alternative for individuals and teams

PlankaOpen Source

Open source Trello alternative with real-time kanban

Overview

Cal.comPlanka

TypeOpen SourceOpen Source

CategoryProject ManagementProject Management

PricingFree (self-hosted)Free (self-hosted)

Self-Hostable

LicenseAGPL-3.0AGPL-3.0

Cal.comPlanka

Stars40.4k8.5k

Forks12.1k900

Contributors4390

Open Issues1.4k0

Last CommitMar 2026--

Latest Release----

Cal.comPlanka

Health Score

93Excellent

75Good