Top 12 Open-Source Alternatives to Cal.com

Product categories

API Tools APIs Analytics App Localization Appointment Scheduling Appointments and Scheduling Automated Testing B2B Calendar Developer Tools Open Source Productivity

Summary

The top open-source alternatives to Cal.com are Calendar, Plausible.io, and star-history. One of the criteria for ordering this list is the number of mentions that products have on reliable external sources. You can suggest additional sources through the form here.

Calendar Landing Page
1

Calendar

Calendar app is an online calendar and team scheduling software for people like me and you. We make it easy to schedule appointments on your calendar.
Pricing:
- Open Source
#Appointments and Scheduling #Appointment Scheduling #Meeting Scheduling 2 social mentions
Plausible.io Landing Page
2

Plausible.io

Plausible Analytics is a simple, open-source, lightweight (< 1 KB) and privacy-friendly web analytics alternative to Google Analytics. Made and hosted in the EU, powered by European-owned cloud infrastructure 🇪🇺
Pricing:
- Open Source
- Paid
- Free Trial
- $9.0 / Monthly (10,000 pageviews)
#Web Analytics #Analytics #Privacy 188 social mentions
star-history Landing Page
3

star-history

The missing star history graph of github repos
Pricing:
- Open Source
#Productivity #Open Source #Growth Hacking 26 social mentions
Simple Calendar Landing Page
4

Simple Calendar

A simple calendar with events (optional recurring and reminders), week numbers and a customizable...
Pricing:
- Open Source
#Calendar #Appointments and Scheduling #Email 99 social mentions
Mockoon Landing Page
5

Mockoon

Mock servers in seconds
Pricing:
- Open Source
#API Tools #Developer Tools #APIs 26 social mentions
Habitica Landing Page
6

Habitica

Habitica is a free habit building and productivity application.
Pricing:
- Open Source
#Habit Building #Productivity #Todos 104 social mentions
Focus Landing Page
7

Focus

New Tab page that gives you a moment of calm and inspires you to be more productive.
Pricing:
- Open Source
#Time Tracking #Tool #Productivity 24 social mentions
btw Landing Page
8

btw

Delight your customers
Pricing:
- Open Source
#Customer Support Tools #Feedback Tools #Open Source 1 social mentions
Medusa Landing Page
9

Medusa

Medusa is an open source headless commerce platform.
Pricing:
- Open Source
#Open Source #Developer Tools #eCommerce 93 social mentions
Tolgee Landing Page
10

Tolgee

We are saving developers time providing tool for Web application Localization
Pricing:
- Open Source
- Freemium
- Free Trial
#Developer Tools #Translation #Localization 42 social mentions
Jenkins Landing Page
11

Jenkins

Jenkins is an open-source continuous integration server with 300+ plugins to support all kinds of software development
Pricing:
- Open Source
#DevOps Tools #Continuous Integration #Continuous Deployment 6 social mentions
FullCalendar Landing Page
12

FullCalendar

FullCalendar is an open-source JavaScript event calendar.
Pricing:
- Open Source
#Appointments and Scheduling #Event Scheduling #Calendar 13 social mentions