Butterbook

Reservations, events,
and everyone
who walks in.

Butterbook runs bookings, events, payments, and visitor records for art museums, community studios, and solo practitioners. One tool for the whole day and the whole season.

No credit card·Set up in an afternoon·Open source
How we built it
01

Soft warnings, not hard gates

Your staff decides who comes in. Busy slots show a warning, not a stop sign.

02

One flat rate

One rate per organization. The bill stays the same on a slow Tuesday and a packed Saturday.

03

Your data, exportable

CSV and JSON exports anytime. No support ticket.

04

Open source

Open repo, open roadmap. Self-host if you want.

A morning view of everyone who's coming.

One page, one day. Who's arriving, in what size group, with what notes. What a front-desk person needs at the start of a shift.

  • Soft capsBusy slots show a warning. The decision stays with your staff.
  • TagsLabel visits however your org thinks: school group, member, walk-in.
  • UndoEvery cancellation and no-show is one click from reversed.
Butterbook
Today
Register
Kiosk
Settings
Today
Saturday, April 18
34 confirmed · 2 cancelled · event day
10am
M. Rivera
Party of 2
docent
10:15
Okafor family
Party of 4
members
10:30
J. Bell
Party of 1
10:45
A. Petrova
Party of 3 · cancelled
11am
Hayes Elementary
Party of 22
school
11:30
Lin-Park
Party of 2
now · 10:42am

Bookings, events,
and everything after.

01
Register

A running, tagged record of who visited and when. Yours to export, always.

02
Public booking

The same page works on a shared tablet at the door or linked from your website.

03
Roles

Limit access by role, so a front desk volunteer sees what they need and nothing more.

04
Form builder

Ask only what matters: name, group size, school, consent.

05
Branding

Your colors, your language, your org's name for things.

06
Audit log

Every mutation is logged, append-only, with the actor and reason attached.

  The Whitman
Welcome.
Checking in?

Tap your reservation or add your name to join the register.

Your name
Party size · 2
Check in
Scan to check in
3 checked in · last 10m

The booking page,
wherever they are.

The booking page runs on your website, on a tablet by the door, or behind a taped-up QR code. Visitors add their name and go. No accounts, no app installs.

Start free

One flat rate.
Built for the whole organization.

Free
Poke around, book a few guests, see if it fits.
$0
  • Unlimited contacts
  • 200 appointments / month
  • 4 events / month
  • Public booking page
Start free
Starter
Room for a busier season and the forms to go with it.
$8/ month
  • Unlimited contacts
  • 1,500 appointments / month
  • 15 events / month
  • Custom form fields
Start free
Most organizations
Growth
Verified bookings, paid event tickets, and the volume for both.
$18/ month
  • Unlimited contacts
  • 6,000 appointments / month
  • 50 events / month
  • Email verification
  • Event ticket payments
Start free
Professional
Memberships, promo codes, and member-only events.
$36/ month
  • Unlimited contacts
  • 25,000 appointments / month
  • 150 events / month
  • Email verification
  • Event ticket payments
  • Visitor memberships & subscriptions
  • Priority support
Start free
Prefer to self-host?Every feature, free forever. You bring the server; we bring the code.
View on GitHub

What people ask.

Do my visitors need to create accounts?+

Never. Booking and check-in are open. Visitors fill in the fields you’ve chosen and that’s it.

What if my time slots get too busy?+

Butterbook shows a soft warning when a slot is getting full and suggests quieter times nearby. No one gets locked out.

Can I call it something other than a "visit"?+

Yes. Each org configures its own language: visits, appointments, sessions, reservations. The UI follows.

Can I export everything?+

Yes. Clean CSV for your records, and a full JSON export of your org’s data anytime. No support tickets, no waiting.

Is my data private?+

PII is redactable per field. The audit log is append-only. Your data lives in the region you choose.

What if I already have a website?+

The booking page lives at your Butterbook subdomain and can be linked or embedded from anywhere. A WordPress plugin is on the roadmap.

Does Butterbook have any AI features?+

No. It’s a record-keeping and scheduling tool, not a recommender.