Replacement Guide

How to Build Your Own Calendly

Replace Calendly with a custom build. Simple scheduling. Powerful results.

Weekend Project
46 features28 integrationsOne weekend

Estimated Timeline

Based on 46 features at Weekend Project difficulty, expect about One weekend with AI-assisted development.

1
Setup & scaffolding
2 hours
2
Core features
4-6 hours
3
Polish & deploy
2 hours

Recommended Tech Stack

Next.js 14

Full-stack React framework with API routes and server components

Supabase

PostgreSQL database, auth, and real-time subscriptions

Tailwind CSS

Utility-first styling for rapid UI development

Key Features to Replicate

Top features across 8 categories. See all 46 features

Configuration(6 features)

Availability Rules

Set custom working hours, buffer times, and minimum notice periods for meetings.

Buffer Time Between Meetings

Add automatic breaks between consecutive meetings to prevent back-to-back scheduling.

Calendar Blocking

Block specific times on your calendar to prevent scheduling during those periods.

Day-Specific Availability

Set different availability rules for specific days or recurring schedule blocks.

Maximum Scheduling Window

Limit how far in advance attendees can schedule meetings with you.

+1 more in this category

Customization(6 features)

Availability Calendar View

Show a visual calendar of your availability directly on your scheduling page.

Conditional LogicPremium

Show or hide questions based on attendee responses to previous questions.

Custom BrandingPremium

Personalize scheduling pages with your logo, colors, and custom domain.

Custom Questions

Ask attendees custom questions during booking to gather relevant information.

File AttachmentsPremium

Allow attendees to upload files during booking for better meeting preparation.

+1 more in this category

Team Features(6 features)

Admin Calendar ViewPremium

View all team members' scheduled meetings and availability in one admin dashboard.

Collective MeetingsPremium

Automatically find time when all team members are available without manual coordination.

Guest ManagementPremium

Allow attendees to add additional guests to group meetings during booking.

Round Robin SchedulingPremium

Distribute incoming meetings equally among team members based on availability.

Team ManagementPremium

Create teams, manage member roles, and set permissions for scheduling coordination.

+1 more in this category

Automation(4 features)

Follow-Up SequencesPremium

Send automated follow-up emails after meetings with templates or custom messages.

Invitee Cancellation

Allow attendees to cancel meetings directly through Calendly.

One-Click Reschedule

Let attendees reschedule meetings with one click instead of canceling and rebooking.

Routing FormsPremium

Direct meeting requests to the right team member based on custom routing rules and questions.

Communication(4 features)

Automated Reminders

Send email and SMS reminders to attendees before scheduled meetings.

Email Notifications

Receive email alerts when meetings are booked, rescheduled, or canceled.

Meeting ConfirmationsPremium

Require attendees to confirm attendance before meetings are finalized.

SMS NotificationsPremium

Send SMS text message reminders and updates to attendee mobile phones.

Core Scheduling(4 features)

Group MeetingsPremium

Schedule meetings with multiple participants and set capacity limits for attendees.

One-on-One Meetings

Create custom meeting types with duration, location, and description for individual appointments.

Scheduling Links

Generate customizable shareable links that embed your availability across websites.

Scheduling Pages

Create dedicated web pages showing your availability for different meeting types.

AI Features(3 features)

AI Meeting SummaryAIPremium

Automatically generate AI-powered summaries of meeting notes and action items.

Availability InsightsAIPremium

AI-powered recommendations to optimize your availability based on booking patterns.

Meeting TranscriptionAIPremium

AI-powered automatic transcription and recording of video meetings.

Integrations(3 features)

Calendar Sync

Connect to Google Calendar, Outlook, or iCloud to prevent double-bookings.

Multi-Calendar ManagementPremium

Sync with multiple calendar accounts simultaneously to manage availability.

Zapier Integration

Connect Calendly to 6000+ apps through Zapier for automated workflows.

Cost Calculator

Keep Paying Calendly

Monthly$10/mo
Yearly$120/yr
5-Year Total$600

Build It Yourself

Est. Build Time~3 hrs
Hosting$20/mo
DifficultyVery Easy

Total Cost Comparison

1 Year
SaaS
$120
DIY
$240
3 Years
SaaS
$360
DIY
$720
5 Years
SaaS
$600
DIY
$1.2k

DIY hosting estimate based on Vercel + Supabase free/pro tiers (~$20/mo). Build time estimated from 46 features at very easy complexity.

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