Calisto Calendar

Four views. Eight sources. One calendar.

One calendar interface fed by eight Calisto products via the calendar bus. iCal sync, RSVP tracking, conflict detection, and .ics import/export.

Start for Free Explore Views

4 View Modes · 8 Product Sources · 17 API Endpoints · 8 Client Components · iCal Sync · RSVP Tracking · Conflict Detection

,0,

view modes (month, week, day, agenda)

,0,

product sources via calendar bus

,0,

REST API endpoints

,0,

client components

Four View Modes

Month. Week. Day. Agenda. One calendar.

URL-synced state (?view=month&date=2026-04-20) so bookmarks and shared links open exactly where you left off. Keyboard shortcuts: M, W, D, A to switch views, N to create, T for today.

Month View

Full month grid with colored event pills per day cell. Click any cell to quick-create. "Up Next" momentum section lists the 5 nearest events with source badges.

Keyboard Shortcuts

M month · W week · D day · A agenda · N new · T today

May 2026

‹›

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Up Next

09:00Site walkthrough Unit 7Ops

11:30Deal review Coastal GroupDeals

14:00Pool inspection overdueAssure

Beyond the Grid

Pending RSVPs. Scheduling conflicts. Source badges on every event.

Pending invitations and time overlaps surfaced before you open the calendar. Source badges on every event.

RSVPs + Conflicts

Pending invitations. Overlapping events. Source badges.

Dashboard tiles count pending RSVPs and scheduling conflicts before you open the calendar. Every event displays a source badge showing whether it came from Ops, Deals, an iCal feed, or your own creation.

Dashboard Metrics

Two metric tiles in the navigation sidebar: pending RSVPs awaiting your response and scheduling conflicts where events overlap. Accept or decline from event detail. Conflicts surfaced before you open the calendar.

Pending RSVPs

Filter the calendar to show only unanswered invitations. Accept or decline from event detail.

Conflict Detection

Overlapping time windows surfaced in the navigation sidebar. Visible before opening the calendar.

Source Badges

Every event carries a source label (Ops, Deals, Tasks, iCal, Manual). Badges link to the originating record.

Pending RSVPs

Conflicts

Quarterly review with Coastal Group

May 12 · 14:00–15:30

Pending

Site walkthrough Unit 14

May 13 · 09:00–10:00

Pending

Team standup (recurring)

May 14 · 08:30–08:45

Accepted

Pool inspection follow-up

May 12 · 11:00–11:30

Conflict

Vendor onboarding call

May 15 · 16:00–16:45

Pending

,0,

keyboard shortcuts (N, T, M, W, D, A)

,0,

color presets per calendar container

,0,

timezone presets

,0,

reminder intervals (0 min to 1 day)

The Calendar Bus

Ops bookings. Deals appointments. Task deadlines. And five more sources.

Eight products publish events automatically. Cancellations sync back with deep-links to the originating record.

Eight Product Sources

One calendar. Eight products publishing to it.

The calendar bus receives events from Ops, Deals, Tasks, Active, Purview, Assure, Voice, and Tickets. Each source has dedicated publish, cancel, and remove functions. Events carry source badges and deep-links back to their origin.

Calisto Ops

Booking → Calendar Event → Source Badge

Calisto Deals

Appointment → Calendar Event → Deep-Link

Calisto Tasks

Due Date → All-Day Event → Status Sync

Calisto Active

Race/Event → Calendar Event → Active Badge

Calisto Purview

Venue Event → Calendar Event → Space Context

Calisto Assure

Inspection → Calendar Event → Reschedule Sync

Calisto Voice

Callback → Calendar Event → Cancel Sync

Calisto Tickets

Ticketed Event → Calendar Event → Venue Details

Ops

Deals

Tasks

Active

Purview

Assure

Voice

Tickets

publishCalendarEvent → Badge + Deep-Link → Cancellation Sync

External Sync

Google Calendar. Outlook. iCal feeds. .ics files.

External feeds with configurable poll intervals. Bidirectional sync, .ics import, and .ics export.

Sync + External Calendars

iCal feeds in. iCal feeds out. .ics import and export.

Subscribe to external calendars from Google Calendar, Outlook, or any iCal-compatible service. Set poll intervals per feed from 5 minutes to 24 hours. Import and export .ics files for one-time transfers.

Feed Subscription

Paste an iCal URL, name it, pick a direction (import, export, or bidirectional), and set a poll interval. Status badges show synced, syncing, or error per feed. Trigger manual sync with one click.

01Subscribe

Paste iCal URL, name, direction, poll interval (5 min to 24 hr).

02Auto-Poll

Feeds poll on interval. Manual sync available per feed.

03Import .ics

Upload .ics file into selected calendar container.

04Export .ics

Download visible calendars as a single .ics file.

Synced Feeds+ Add Feed

Google Calendar (Work)

Bidirectional · 15 min poll

synced

Outlook (Personal)

Import only · 30 min poll

synced

Team Shared Calendar

Import only · 60 min poll

syncing

Client Availability

Import only · 5 min poll

error

Settings

View defaults. Timezones. Containers. Reminders.

Configure default view, working hours, timezone, and reminder timing. Organize events into multiple calendar containers with distinct colors and visibility controls.

View Preferences

Default view mode (month, week, day, or agenda). Week start day (Sunday or Monday). Show or hide weekends.

Working Hours + Reminders

Configurable start/end working hours. 6 reminder presets from 0 minutes to 1 day before event. Show or hide declined events.

Timezone

11 timezone presets spanning US (Eastern through Hawaii), London, Central Europe, Tokyo, Singapore, and Sydney.

Calendar Containers

Multiple named calendars with 10 color presets each. Visibility toggle and read-only flag for synced sources. Event count per container.

View Preferences

Default viewMonth

Week starts onMonday

Show weekends

Working Hours

Start08:00

End18:00

Default reminder15 min

Timezone

Current timezoneUTC-5 (Eastern)

Show declined events

Calendars

Personal24 events

Work18 events

Synced (Google)12 events

,0,

feed poll presets (5 min to 24 hr)

,0,

sync directions (import, export, bidirectional)

,0,

Calisto AI endpoints (quick-add, day summary)

Any

authenticated Calisto app can read via Platform API

Under the Hood

Data model. API surface. Calendar bus.

Data Model

Event: title, description, dates, times, isAllDay, location, color, recurrenceRule, conferenceUrl

Source tracking: source enum (8 values), sourceProduct label, sourceHref deep-link

Calendar container: name, color, isVisible, isReadOnly, eventCount

Feed: url, pollIntervalMinutes, direction, status, lastSyncAt

Settings: defaultView, weekStartsOn, timezone, defaultReminderMinutes, workingHours

Unified type union: event | task (tasks with due dates merged into view)

API Surface

/api/calendar/unified: GET merged events + tasks

/api/calendar/events: GET, POST

/api/calendar/events/[id]: GET, PATCH, DELETE

/api/calendar/search: GET text + date range

/api/calendar/calendars: GET, POST containers

/api/calendar/calendars/[id]: GET, PATCH, DELETE

/api/calendar/settings: GET, PUT preferences

/api/calendar/sync/feeds: GET, POST subscribe

/api/calendar/sync/feeds/[id]/sync: POST manual

/api/calendar/sync/export: GET .ics download

/api/calendar/sync/import: POST .ics upload

/api/calendar/feed/[calendarId]: GET public iCal

/api/platform/calendar: GET cross-app read

Calendar Bus

Core: publishCalendarEvent, publishCalendarEvents (bulk), remove, updateStatus

Ops: bookings, tee times, shifts (publish + cancel + remove)

Deals: appointments, closing deadlines (publish + cancel)

Tasks: deadlines (publish + remove)

Active: events (publish + remove)

Purview: venue events, space bookings, league matches

Assure: inspections (publish + remove)

Voice: callbacks, conferences, auto-bookings (publish + cancel)

Tickets: ticketed events (publish + remove)

Pricing

High-Performance Ops. Zero Monthly Overhead.

Get all 15 Core modules at no monthly cost. You only pay 2% of processed revenue.

Calisto Core

$0/month

+ 2% of revenue

CommitmentNone

UsersUnlimited

Products15 included

Best for: Businesses of any size. Revenue is auto-calculated from POS orders, reservations, folios, and event tickets.

Start for Free

,,,,,,,

Calendar

Unified calendar with events from eight platform products.

Free

Included in Work Free

Wallet-debit

Add to Pro Shop