frontendbackendservicequeuedatabase

Calendar & Scheduling System

Google Calendar-like platform with events, invites, availability, recurring events, and timezone handling.

7 components7 connections5 types

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Components

frontend

Calendar UI

Day/week/month views, drag-to-create events, and availability overlay.

backend

Calendar API

CalDAV-compatible API for events, invites, reminders, and free/busy queries.

service

Scheduling Engine

Find mutual availability across attendees with timezone-aware slot detection.

service

Recurrence Engine

RFC 5545 RRULE expansion for daily/weekly/monthly/custom repeat patterns.

queue

Reminder Service

Push, email, and SMS reminders at configurable times before events.

database

Event Database

Events, attendees, RSVPs, attachments, and calendar sharing permissions.

service

Sync Service

Two-way sync with Google Calendar, Outlook, and Apple Calendar via CalDAV.

Data Flow

Calendar UICalendar APIHTTPShigh

Calendar APIEvent DatabaseCRUDhigh

Calendar APIScheduling EngineFind slotsmedium

Calendar APIRecurrence EngineExpand rulesmedium

Calendar APIReminder ServiceSchedule alertmedium

Sync ServiceEvent DatabaseSync eventsmedium

Scheduling EngineEvent DatabaseCheck busyhigh

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frontendbackendservicequeuedatabase

Calendar & Scheduling System

Google Calendar-like platform with events, invites, availability, recurring events, and timezone handling.

7 components7 connections5 types

Open Interactive Diagram Browse All

Components

frontend

Calendar UI

Day/week/month views, drag-to-create events, and availability overlay.

backend

Calendar API

CalDAV-compatible API for events, invites, reminders, and free/busy queries.

service

Scheduling Engine

Find mutual availability across attendees with timezone-aware slot detection.

service

Recurrence Engine

RFC 5545 RRULE expansion for daily/weekly/monthly/custom repeat patterns.

queue

Reminder Service

Push, email, and SMS reminders at configurable times before events.

database

Event Database

Events, attendees, RSVPs, attachments, and calendar sharing permissions.

service

Sync Service

Two-way sync with Google Calendar, Outlook, and Apple Calendar via CalDAV.

Data Flow

Calendar UICalendar APIHTTPShigh

Calendar APIEvent DatabaseCRUDhigh

Calendar APIScheduling EngineFind slotsmedium

Calendar APIRecurrence EngineExpand rulesmedium

Calendar APIReminder ServiceSchedule alertmedium

Sync ServiceEvent DatabaseSync eventsmedium

Scheduling EngineEvent DatabaseCheck busyhigh

Try it interactively

Explore this architecture with animated data flows, node auditing, and AI-powered analysis.

Open in Codelit

Learn More

AI search

AI-Powered Search Architecture: Semantic Search, Hybrid Search, and RAG

8 min read AI safety

AI Safety Guardrails Architecture: Input Validation, Output Filtering, and Human-in-the-Loop

8 min read API design

API Backward Compatibility: Ship Changes Without Breaking Consumers

6 min read

Related Architectures

Instagram-like Photo Sharing Platform

Full-stack social media platform with image processing, feeds, and real-time notifications.

12 components · 11 connections

Scalable SaaS Application

Modern SaaS with microservices, event-driven processing, and multi-tenant architecture.

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Netflix Video Streaming Architecture

Global video streaming platform with adaptive bitrate, CDN distribution, and recommendation engine.

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Production checkout flow with Stripe payments, inventory management, and fraud detection.

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