A flexible, universal meeting scheduler that supports all calendar types, including CalDAV.
What it does
Unifies multiple calendars (Google, Outlook, CalDAV) into a single availability view.
Provides highly customizable scheduling pages with removable branding and custom domains.
Automates meeting creation, link generation (Zoom/Google Meet), and reminders.
Features multilingual support for over 15 languages on the booking page.
Includes 'Secret Meeting' types and round-robin scheduling for multi-person teams.
Why it works
Universal Sync: The only tool in its class that doesn't assume you use Google or Microsoft.
Customization: Offers deeper white-label options than competitors at a lower price point.
Simplicity: Features a clean, 'no-learning-curve' interface for both the user and the invitee.
Fidelity: Ensures perfect timezone synchronization to eliminate meeting no-shows.
A flexible, universal meeting scheduler that supports all calendar types, including CalDAV.
Overview
Harmonizely is a specialized scheduling platform designed for users who need a more flexible alternative to Calendly. It distinguishes itself by being one of the few tools to support the open CalDAV standard, enabling seamless integration with non-mainstream calendars like Zimbra, Fastmail, and Zoho, alongside Google and Outlook. By focusing on customization and white-labeling, Harmonizely helps freelancers and small teams maintain a professional, on-brand booking experience.
Founded year:2018
Founder:Rafal Kukla
Team size:2-10
Popularity:Cult favorite among European freelancers and technical teams.
HQ:Siedlce, Poland
Status:Active
Funding status:Bootstrapped
Customer type:B2B2C
Funding:Unfunded (Bootstrapped)
Pricing:Freemium
Tech stack:React, Node.js, AWS, CalDAV
Platform:Web
Integrations:Google Calendar, Outlook, Zimbra, Zoho, Zoom, Zapier, WordPress
What it does
Unifies multiple calendars (Google, Outlook, CalDAV) into a single availability view.
Provides highly customizable scheduling pages with removable branding and custom domains.
Automates meeting creation, link generation (Zoom/Google Meet), and reminders.
Features multilingual support for over 15 languages on the booking page.
Includes 'Secret Meeting' types and round-robin scheduling for multi-person teams.
Who it's for
Freelancers & Consultants
Tech-forward Recruiters
SDRs & Sales Teams
Users of non-mainstream calendars (Zimbra/Zoho)
Why it works
Universal Sync: The only tool in its class that doesn't assume you use Google or Microsoft.
Customization: Offers deeper white-label options than competitors at a lower price point.
Simplicity: Features a clean, 'no-learning-curve' interface for both the user and the invitee.
Fidelity: Ensures perfect timezone synchronization to eliminate meeting no-shows.
Founder story
Founded in 2018 by Rafal Kukla in Siedlce, Poland. Rafal, a software engineer, built the tool after realizing that most schedulers ignored his preferred calendar system. He turned a side project into a global SaaS, scaling it to serve thousands of professionals who value flexibility and privacy.
Alternatives
Comparison overview
Calendly: More mainstream; Harmonizely is the superior specialist for non-Google calendars and white-labeling.
Cal.com: Open-source; Harmonizely is the more established, easy-to-use SaaS specialist for CalDAV users.
Harmonizely is the #1 choice for professionals who want a beautiful, universal scheduling page.