LIVE — 4,200 rooms across 38 branches right now

The control panel your library didn't know existed

Stacks turns your reservation spreadsheet into a real-time floor map where every study room, media lab, and event hall pulses with live availability. Double-bookings resolve before they start.

73%
fewer double-bookings
11s
avg booking time
38
branches on one map
app.stacks.io/dashboard
LIVE
Riverside University Library System
LIVE STATUS — Sat, May 30
Available
7
Occupied
3
Reserved
2
FLOOR
FLOOR 2 — INTERACTIVE MAP
MEASURED OUTCOMES

Numbers from libraries that replaced their spreadsheets

Not projections. Not estimates. Measured outcomes from university, public, and K–12 systems running Stacks in production.

73%
Reduction in double-bookings
Measured across 12 university library systems, first 90 days post-deployment
4,200
Rooms managed across 38 branches
Study rooms, media labs, event halls, AV suites — all on one live map
11sec
Average booking time
From patron login to confirmed reservation — down from 4.2 minutes via email
PLATFORM DEPTH

Every system your library runs, connected

Stacks sits on top of your existing infrastructure. Your ILS keeps running. Your calendar invites keep going out. Your patrons keep using what they know.

ANCHOR NAV
Jump to any section from the sticky header — the floor map, the comparison table, or the audit form.
Integrations
ILS, Calendar & SSO — connected in hours

Stacks syncs with the tools your institution already uses — no migration required, no parallel systems to maintain.

Sierra ILS
Library System
Native sync
Alma / Primo
Library System
Native sync
Google Calendar
Calendar
Bi-directional
Microsoft Outlook
Calendar
Bi-directional
Koha ILS
Library System
REST API
LibCal
Booking
Migration import
42 integrations available — webhook support for any REST API
HEAD TO HEAD

Your current system vs. Stacks

Every row is a real complaint from a head librarian. We kept the language exact.

FEATURE
Your Current System
Stacks
Conflict Detection
HIGH IMPACT
✕
Manual — discovered after double-booking occurs
✓
Auto-detection in real time, pre-booking
Booking Method
HIGH IMPACT
✕
Email chain to librarian, 4.2 min avg
✓
Patron self-service portal, 11 sec avg
Floor Visibility
✕
None — spreadsheet has no spatial awareness
✓
Live color-coded floor map, every room, every branch
ILS Integration
✕
Manual data re-entry across systems
✓
Native sync: Sierra, Alma, Koha, Polaris
Reporting
HIGH IMPACT
✕
Monthly Excel export, manually compiled
✓
Real-time dashboard, one-click export to PDF/CSV
Patron Auth
✕
Staff-verified, honor system
✓
SSO tiers: LDAP, Shibboleth, Google, Entra ID
Multi-branch
✕
Separate spreadsheet per branch, no aggregate view
✓
Single dashboard, 38+ branches, one login
AV / Equipment
✕
Email chain to AV coordinator
✓
Equipment booking bundled with room reservation
Cancellation
✕
Reply-all email thread
✓
One-click patron cancellation, room auto-released
Audit Trail
HIGH IMPACT
✕
None — spreadsheets are overwritten
✓
Full immutable log: who booked, changed, cancelled

See exactly which rows apply to your library — run the audit.

Run a Free Booking Audit →
FREE AUDIT — NO SALES CALL

Run a Free Booking Audit

Tell us your institution type, how many bookable spaces you manage, and what system you're currently using. We'll send back a data report showing your exact conflict rate, average booking time, and peak demand gaps — measured against comparable institutions in our network.

Librarians don't want a sales call. They want proof their current chaos is measurable. This is that proof.

WHAT YOUR AUDIT INCLUDES
✓
Estimated annual double-booking frequency for your space count
✓
Benchmark booking time vs. comparable institutions
✓
Peak demand hours for your institution type
✓
Recommended room-to-patron-tier mapping
✓
Migration complexity score from your current system
WANT TO SEE IT FIRST?
See Your Library's Data →
Live demo pre-loaded
AUDIT ENGINE READY
~3 min to complete

Your audit report arrives within 1 business day. No sales call attached.