100% Free & Open Source

The Free Calendly Alternative

Premium scheduling features that others charge $15/month for. Custom branding, unlimited event types, calendar sync - all completely free, forever.

Kalendar Dashboard
No credit card required
Free forever
Open source
Setup in 2 minutes

Premium Features, Zero Cost

Everything you need to manage your schedule professionally. Features that competitors charge $15-30/month for.

$15/mo on Calendly

Custom Branding

Your brand colors, your logo, your identity. Make your booking page truly yours without paying extra.

Limited on free tier elsewhere

Unlimited Event Types

Create as many meeting types as you need. 15-min calls, 1-hour consultations, full-day workshops - no limits.

Google + Outlook

Two-Way Calendar Sync

Sync with Google Calendar and Outlook. Bookings auto-create events, busy times are respected.

$10/mo add-on elsewhere

Custom Email Notifications

Branded confirmation emails, reminders, and follow-ups. Customize the content to match your voice.

Full flexibility

Flexible Availability

Set different hours for different days. Add buffer times, minimum notice periods, and booking windows.

Included free

Easy Reschedule & Cancel

Let attendees reschedule or cancel with one click. Both sides get notified, calendars update automatically.

Why Switch to Kalendar?

See how Kalendar stacks up against the expensive alternatives.

Feature
K
Kalendar Free
Cal
Calendly $15/mo
C
Cal.com $15/mo
Custom BrandingPaidPaid
Unlimited Event Types1 on free
Remove BrandingPaidPaid
Calendar Integration
Email Notifications
Open Source
Self-Hostable
Price$0 /forever$15 /mo$15 /mo

* Comparison based on publicly available pricing as of 2024

Up and Running in Minutes

No complex setup. No credit card. Just connect your calendar and start accepting bookings.

1

Sign Up

Create your free account with Google in one click.

2

Set Availability

Define your working hours and meeting preferences.

3

Share Your Link

Get your personalized booking link to share anywhere.

4

Get Booked

Meetings appear on your calendar automatically.

Built by Founding.dev

Stop Paying Thousands for SaaS You Could Own

Kalendar is built by Founding.dev - a platform that empowers developers to build their own tools instead of paying for expensive SaaS subscriptions.

Why pay $15-50/month for scheduling software when you can have the same features for free? Kalendar is just one example of what's possible when you take control of your software stack.

The Founding.dev Philosophy

  • Own your tools instead of renting them
  • Open source, customize as needed
  • No vendor lock-in, ever
  • Build once, use forever

Ready to Own Your Scheduling?

Join thousands who've switched from expensive scheduling tools. Setup takes less than 2 minutes.

No credit card required. Free forever.