zcal wants a subscription.
These cost $0.
3 free alternatives to zcal, checked for license, recent activity and real adoption. Each one tells you the catch, so you can switch with your eyes open.
zcal vs Free Alternatives Matrix
Quick side-by-side comparison · $0/mo vs paid
| Alternative | Type | License | Where It Runs | Stars | Head-to-Head |
|---|---|---|---|---|---|
| Calendly Free | free | proprietary, free | Hosted | ★ $0 forever | zcal vs Calendly Free → |
| TidyCal Free | free | proprietary, free | Hosted | ★ $0 forever | zcal vs TidyCal Free → |
| YouCanBookMe Free | free | proprietary, free | Hosted | ★ $0 forever | zcal vs YouCanBookMe Free → |
The picks
3 free to use · ranked by fit
- 01
Calendly Free
freeproprietary, freeHostedOne active event type and unlimited bookings; meeting polls survive, workflows and teams do not.
The catch vs zcalCalendly Free is dependable for one active event type, but zcal's personalized pages and group-poll experience become harder to reproduce once more than one booking flow is needed.
Install, platforms & data +
- platforms
- mobilewebextensionthey host it
- install
- Hosted signup and one calendar connection
- setup
- Setup is clean, but the permanent free account is limited to one one-to-one event type and one connected calendar.
- your data
- Event-type settings, invitee answers, scheduling activity and account data live in Calendly's cloud; confirmed meetings are synchronized to the connected calendar, and the internal storage format is not disclosed.
- checked
- 2026-08-10
- 02
TidyCal Free
freeproprietary, freeHostedUnlimited one-person booking types and paid bookings on one calendar; group meetings and fancy emails cost extra.
The catch vs zcalTidyCal Free handles one-person booking links, but one connected calendar and no free group-meeting workflow make it a poor substitute for zcal's polls and multi-person scheduling.
Install, platforms & data +
- platforms
- webthey host it
- install
- Hosted signup and one calendar connection
- setup
- There is no technical install hurdle, but free accounts get only one calendar connection and omit automatic video links, group meetings, custom emails, exports, analytics and API access.
- your data
- Booking types, attendee answers and booking records live in TidyCal's cloud and are synchronized to the connected calendar; the internal storage format is not disclosed.
- checked
- 2026-08-10
- 03
YouCanBookMe Free
freeproprietary, freeHostedOne booking page, but it keeps forms, payments, confirmations, polls and the calendar-overlay trick.
The catch vs zcalYouCanBookMe Free retains capable booking forms and polls, but one booking page and one connected calendar sharply limit the personalized set of scheduling pages zcal is built around.
Install, platforms & data +
- platforms
- webextensionthey host it
- install
- Hosted signup and one calendar connection
- setup
- The setup itself is clean; the first hard limit is one booking page and one connected calendar.
- your data
- Booking-page configuration, form answers and appointment records live in YouCanBookMe's cloud, with events synchronized to the connected calendar; the internal storage format is not disclosed.
- checked
- 2026-08-10
Frequently Asked Questions
Direct answers · zcal open-source replacements
What is the best free alternative to zcal?+
The top free alternative to zcal is Calendly Free (free). One active event type and unlimited bookings; meeting polls survive, workflows and teams do not. Other popular zcal replacements include TidyCal Free, YouCanBookMe Free.
Should I vibe-code or build my own zcal clone from scratch?+
Our build verdict for zcal is YES (the core loop fits in a weekend). zcal's solo core is compact: build a personal freeform scheduling tool that reads one calendar, publishes availability, reserves a slot, and writes the event back. A competent builder can reach a useful personal version in one sitting, while the paid product mainly wins on OAuth, calendar reliability.
What is the catch when switching from zcal to Calendly Free?+
Calendly Free is dependable for one active event type, but zcal's personalized pages and group-poll experience become harder to reproduce once more than one booking flow is needed.
