Cal.com
Best Open SourceThe open-source scheduling infrastructure
Updated March 28, 2026
What is Cal.com?
Cal.com is the open-source alternative to Calendly. Self-host for free or use their cloud product. With a powerful API, developer-first design, and a rapidly growing feature set, it's the modern choice for scheduling.
Cal.com Pros & Cons
✅ Pros
- + Free plan with unlimited event types
- + Open-source (self-host for free)
- + Developer API and white-labeling
- + Workflows and automations
- + Fastest-growing scheduling tool
❌ Cons
- − Newer platform, fewer integrations than Calendly
- − Self-hosting requires technical knowledge
- − UI slightly less polished
Key Features
Cal.com Pricing 2026
Exclusive ToolPick Deal
Get special access via our link — free trial or discounted plan available.
Is Cal.com Worth It? Our Verdict
Cal.com earns a 4.5/5 from ToolPick. Cal.com is the open-source alternative to Calendly. Self-host for free or use their cloud product. With a powerful API, developer-first design, and a rapidly growing feature set, it's the modern choice for scheduling.
🎯 Best for: Developers and tech teams who want full control over scheduling infrastructure with self-hosting
Quick Facts
- Category
- Scheduling & Booking
- Rating
- 4.5 ⭐
- Free Plan
- ✓ Yes
- Starting Price
- $15/month (Teams)
Ready to try Cal.com?
Start free — no credit card required.
Try Free →Free plan available
Compare Cal.com With
See how alternatives stack up
You Might Also Like
Other top-rated Scheduling & Booking tools worth considering.
Calendly
Scheduling automation for busy people
Calendly is the world's #1 scheduling tool. Share your link, let contacts pick a time that works for everyone, and eliminate all the back-and-forth emails. Used by 10M+ professionals at Dropbox, eBay, and Lyft.
Acuity Scheduling
Online appointment scheduling for businesses
Acuity Scheduling (by Squarespace) is the most feature-rich appointment booking platform for service businesses. Collect intake forms, process payments, sell packages, and manage your full calendar in one place.
SavvyCal
Respectful scheduling that works for everyone
SavvyCal takes a unique approach to scheduling — it lets invitees overlay their own calendar to find overlapping free times. This simple innovation makes it the most considerate scheduling tool for high-volume users.