Calisto One is the operations hub built on CalistoOS, the quality first operating system for properties. It unifies people, properties, devices, and workflows so boutique hotels, property managers, and real estate agencies can deliver consistently excellent stays, showings, and deals from one calm, connected platform that now includes digital keys, smart signals, and around the clock human support.
CalistoOS is the quality engine under every Calisto product. Calisto One is the operations hub your teams log into every day. Ops sits at the center with Sync, Navigator, Assure, Deals, Key, Signal, and 24·7 working together as one stack.
Every booking, inspection, viewing, and contract is a promise to a guest, owner, or client. CalistoOS provides the quality first operating system. Calisto One turns that engine into an operations hub where your teams work every day, and Calisto Key, Signal, and 24·7 extend it into the real world with digital access, live signals, and humans who can act on what the system sees.
CalistoOS is the infrastructure that powers every Calisto product: shared data, standards, automations, and integrations. It keeps property records, people, workflows, and quality rules consistent across your entire portfolio and provides the common language for Ops, Sync, Navigator, Assure, Deals, Key, Signal, and 24·7.
Calisto One is the application layer your teams see every day. Ops, Sync, Navigator, Assure, Deals, Key, and Signal sit on one shared foundation so a change in operations is reflected in channels, guest journeys, inspections, access, and monitoring without duplicate tools or re entry.
Calisto 24·7 is the always on support layer that turns a standard SaaS into a service your guests and owners feel. When a lock fails, a signal fires, or a guest calls after hours, 24·7 sees bookings, keys, signals, and history in one place and can respond with confidence on your behalf.
CalistoOS is the quality first operating system. Calisto One is the suite of products built on top of it. Ops is your core operations workspace. Sync connects channels. Navigator curates the guest and client journey. Assure protects quality. Deals manages transactions. Key, Signal, and 24·7 take you beyond software with digital access, live signals from the property, and around the clock human support.
The core operations workspace inside Calisto One. Shared calendars, unified CRM, tasks, tickets, and simple reporting for every stay, inspection, and showing across properties, portfolios, and offices, all powered by CalistoOS.
Connect OTAs, portals, and websites to a single source of truth. Rates, availability, and listing content stay aligned while bookings and inquiries flow back into Calisto Ops with full channel attribution.
Give guests, owners, buyers, and sellers a clean, branded portal or app for trips, viewings, documents, statuses, messaging, and upsells. Navigator reads from Calisto Ops and works with Calisto Key for digital keys and smooth arrivals.
Standardize inspections, photos, scoring, and condition reports across properties. Issues become tasks in Calisto Ops and every room, unit, and listing has a quality history your owners, brands, and guests can trust.
Pipelines for listings, mandates, offers, and contracts that live in the same system as your operations. Track milestones and commissions while keeping every deal tied to the right people and properties in Calisto Ops.
Turn bookings, showings, and service visits into digital keys that just work. Calisto Key connects your smart locks to Ops, Navigator, Signal, and 24·7 so guests, owners, staff, and vendors get the right access at the right time with a full audit trail behind every door.
Bring sensors, devices, and smart home data into the same story as bookings and quality. Calisto Signal watches for unusual patterns, battery issues, and device health and turns them into clear signals, tasks, and alerts in Ops, Assure, and 24·7.
A human team that sees what Calisto One sees and can act on it at any hour. Calisto 24·7 works from the same bookings, keys, signals, and quality records as your internal teams so lockouts, after hours calls, and urgent issues are handled with context, not guesswork.
Calisto One is designed for phased adoption. Most teams begin with a single portfolio, hotel, or office in Ops, then layer on Sync, Navigator, Assure, Deals, Key, Signal, and 24·7 where they bring the most visible step up in experience and control.
Start with the portfolio, hotel, or office that matters most. Bring calendars, contacts, tickets, and core workflows into Calisto Ops so your team feels one calm center for the day to day.
Add Sync to connect channels and portals, and Navigator to give guests, buyers, tenants, and owners a modern portal or app. The same records in Ops now power distribution and experience.
Introduce Assure to standardize quality, Key to control digital access, and Signal to watch what devices see. Quality, doors, and telemetry all connect to the same bookings and properties in Ops.
When you are ready, add Calisto 24·7 so guests and owners have a trusted human team that can respond at any hour using the same context your internal teams see. Your stack stays lean, your coverage feels premium.
Whether you run a 30 room hotel, a regional property management company, or a brokerage that handles luxury homes, Calisto One is for operators who want every guest, owner, and client to feel they chose the right partner. CalistoOS, Key, Signal, and 24·7 work quietly in the background so what people notice is how calm and reliable you feel in the foreground.
Replace a patchwork of PMS, inboxes, and manual logs with one operations hub for rooms, tickets, quality, and access. Guests enjoy smooth arrivals, digital keys, and fast support. Your team stays calm and aligned.
Coordinate geographically dispersed portfolios with shared standards for inspections, maintenance, communication, and owner reporting. Calisto Key, Signal, and Assure give you visibility between visits, while 24·7 helps you respond when something needs attention.
Connect listings, mandates, showings, and deals to the same properties and people who stay with you. Agents use Ops, Deals, Navigator, and Key as one stack so showings, access, and handovers feel effortless to clients.
Calisto One is more than a better PMS or CRM. It is a full stack for hospitality and real estate where standards, devices, digital access, and human support are all connected. Your teams get structure and context. Your guests and owners feel a brand that is quietly in control.
From checklists to communications, standards live inside the platform. As you add properties, brands, and markets, the way you operate stays consistent because the rules live in CalistoOS and are applied through Ops, Assure, Navigator, and Deals with Key and Signal feeding real world context back in.
Digital keys and device data are not separate systems. Calisto Key and Signal sit in the same story as bookings, quality, and tasks so access, alerts, and follow up all line up. When something feels off, your team sees it early and can act with clarity.
Many platforms stop at software. Calisto 24·7 lets you extend your stack into an always on service that guests and owners can feel. A human team works from the same data and playbooks as your internal staff so support feels like an extension of your brand, not a generic call center.
A few of the most common questions from hotels, property managers, and brokerages considering Calisto One as their operations hub, powered by CalistoOS.
Calisto One is your operations hub built on CalistoOS. It brings together core elements of a PMS, CRM, channel manager, task app, and deal tracker into one interconnected workspace, so your teams work from a single source of truth.
CalistoOS is the underlying operating system: shared data, standards, automations, and integrations. Calisto One is the suite of applications your teams use every day: Ops, Sync, Navigator, Assure, Deals, and the infrastructure products Key, Signal, and 24·7 that extend the stack into doors, devices, and human support.
Key handles digital access for guests, owners, staff, and vendors. Signal watches what devices and sensors see and turns important changes into signals and tasks. Calisto 24·7 is the human team that can act on those bookings, keys, and signals at any hour. Together they turn a standard SaaS into a visible upgrade in how safe, modern, and supported your properties feel.
No. Every customer starts with Calisto Ops inside Calisto One. From there you can add Sync, Navigator, Assure, Deals, Key, Signal, or 24·7 as your channels, guest journeys, quality programs, and service expectations grow, all still powered by the same CalistoOS foundation.
Yes. CalistoOS is designed to sit at the center of your stack and integrate with existing systems during rollout. Many teams keep certain legacy tools while shifting the daily work into Calisto One as their single operations hub and gradually moving access, signals, and support into the Calisto stack.
CalistoOS supports multi property, multi brand, and multi market portfolios with flexible grouping and filtering. Leadership can see the big picture while local teams focus on their specific region or brand inside Calisto One, with Key, Signal, and 24·7 applied where they add the most value.
