Open-source alternatives to Acuity Scheduling (October 2026)

Open-source alternatives to Acuity Scheduling

Acuity Scheduling does 4 jobs: appointment booking pages, calendar availability sync, collect booking payments, booking reminders and workflows. Most projects replace one or two of them, so pick the job you actually need.

Quick answer

Facts checked 15 Oct 2026

Open-source alternatives to Acuity Scheduling that run locally, allow commercial use and need no paid API include Calnode (appointment booking pages, calendar availability sync, collect booking payments and booking reminders and workflows; Apache-2.0; runs on CPU). Calnode and Tymeslot cover all 4 Acuity Scheduling jobs.

Calnode

Calnode/calnode

★ 118 active today

Calendly-style booking app as a single Go binary with SQLite; team round-robin, Stripe payments, webhooks, REST API and a built-in MCP server.

Replaces Appointment booking pages + Calendar availability sync + Collect booking payments (partly)

Runs locally: Confirmed: Yes
Commercial use: Confirmed: Yes · Apache-2.0
Paid services: Confirmed: None required
Hardware: Partial: CPU works
Setup: Confirmed: Easy

Compare 8 of 8 facts sourced · checked 1d ago GitHub ↗ View details

Easy!Appointments

alextselegidis/easyappointments

★ 4.4k active 2d ago

Self-hosted PHP booking app where customers book services with providers, with Google Calendar and CalDAV sync and email notifications.

Replaces Appointment booking pages + Calendar availability sync (partly) Not: collect booking payments, booking reminders and workflows

Runs locally: Confirmed: Yes
Commercial use: Partial: Conditions · GPL-3.0
Paid services: Confirmed: None required
Hardware: Unknown: Unknown
Setup: Confirmed: Medium

Compare 7 of 8 facts sourced · checked 1d ago GitHub ↗ View details

Tymeslot

Tymeslot/tymeslot

★ 229 active 2d ago

Self-hosted booking pages with Google, Outlook and CalDAV sync, reminders, webhooks and optional Stripe payments, in one Docker container.

Replaces Appointment booking pages + Calendar availability sync + Booking reminders and workflows (partly)

Runs locally: Confirmed: Yes
Commercial use: Partial: Conditions · AGPL-3.0
Paid services: Confirmed: None required
Hardware: Confirmed: CPU works
Setup: Confirmed: Medium

Compare 8 of 8 facts sourced · checked 1d ago GitHub ↗ View details

No project meets all of your requirements. The list below shows what you'd need to relax.

Common questions about Acuity Scheduling alternatives

Is there a free, open-source alternative to Acuity Scheduling?

Yes. Tymeslot, Calnode and Easy!Appointments are free to download and run on your own computer without paid API keys. Tymeslot and Calnode cover every job we list for Acuity Scheduling; the other covers only part of it, so check which job you need.

Can I do appointment booking pages locally without an Acuity Scheduling subscription?

Yes, with Tymeslot (AGPL-3.0), Calnode (Apache-2.0) and Easy!Appointments (GPL-3.0). Check the hardware notes and licence conditions on each page before you start.

Can I do calendar availability sync locally without an Acuity Scheduling subscription?

Yes, with Tymeslot (AGPL-3.0), Calnode (Apache-2.0) and Easy!Appointments (GPL-3.0). Check the hardware notes and licence conditions on each page before you start.

Which Acuity Scheduling alternatives can I use commercially?

Confirmed: Calnode. With conditions: Easy!Appointments and Tymeslot. This is not legal advice; read each licence.

Does any open-source project replace all of Acuity Scheduling?

Calnode and Tymeslot cover every job we list for Acuity Scheduling.