2 Open Source Alternatives to Calendesk

A list of 2 carefully selected open-source alternatives to Calendesk.

Adrian
Created by
Adrian
Mar 9, 2025Updated3 min read

The open-source alternatives are ranked based on our custom ranking system and score. This system takes into account various factors to determine the best alternatives.

If you’re looking for alternative features or workflows, here is a prepared detailed list of Calendesk open-source alternatives — each with its own distinctive strengths and key features.

#1
Cal.com logo

Cal.com

34,405
8,815

Cal.com is a fully customizable scheduling platform that serves individuals, businesses, and developers alike. It offers a robust scheduling infrastructure designed to simplify appointment management and enhance team collaboration with flexibility and ease.

Cal.com screenshot

Key Features

  • Fully customizable booking pages and scheduling options
  • Seamless calendar integration to avoid double bookings
  • Automated workflows, notifications, and reminders
  • Built-in video conferencing (Cal Video) and payment integration via Stripe
  • Team scheduling with round-robin and collective events
  • Robust API and extensive app integrations
  • Strong security and compliance standards (SOC2, HIPAA, ISO 27001)

Cal.com provides an open-source scheduling solution that seamlessly integrates with your calendars and favorite apps, ensuring efficient booking and workflow automation. With features that range from custom booking links and automated reminders to built-in video conferencing and payment processing, the platform caters to both personal and team scheduling needs. Its versatile design supports routing forms, collective events, round-robin scheduling, and multi-language capabilities.

#2
Rallly logo

Rallly

4,100
397

Rallly is an open-source scheduling and collaboration tool designed to simplify event organization and meeting coordination. Its user-friendly interface and no-login requirement allow users to set up polls in seconds, making scheduling hassle-free and efficient.

Rallly screenshot

Key Features

  • Open-source and free to use
  • Fast setup with no login required
  • Multi-language support (10+ languages)
  • Widely adopted with a proven track record
  • Easy and minimal interaction for efficient scheduling

Rallly enables users to create scheduling polls quickly, streamlining the process of finding common availability among participants. With support for over 10 languages and a strong user base of over 98K registered users and 300K+ polls created, the tool is recognized for its simplicity and efficiency. Trusted by professionals from various industries, Rallly helps reduce the stress of managing scheduling tasks.

Price comparison of Calendesk open-source alternatives

ToolTier 1Tier 2Tier 3Details
Cal.com logo
Cal.com
$0
Individuals
$15
Teams
$37
Organizations
Learn more

* Pricing shown is based on publicly available information and may not reflect current rates. Visit each tool's website for detailed pricing information and additional tiers.

About Calendesk

Calendesk is a trusted brand that prioritizes your privacy. They offer a comprehensive platform for managing your schedule and appointments. With Calendesk, you can easily create and maintain a user account, providing essential details like your email address and password. Additionally, you have the option to include more information, such as your name, business address, and contact number. Calendesk ensures the security of your personal data by recording your IP address and the date of account creation. They process your data for various purposes, including contract management, tax obligations, marketing, and handling complaints. You have the right to access, rectify, or restrict the processing of your data, and you can even transfer your data to another service if desired. Rest assured, Calendesk values your privacy and complies with data protection regulations. To learn more about their policies and how they use cookies, you can refer to their Privacy Policy. Manage your schedule efficiently and enjoy the benefits of a secure and user-friendly platform with Calendesk.
This comparison data was compiled with AI assistance.
Calendesk logo

Calendesk

Discover Calendesk's all-in-one appointment scheduling software. Automate bookings, payments, and client management effortlessly. Start your free trial today!

Founded

2019

Employees

2

Location

Warsaw, Poland

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