Calendar sync tool & universal calendar MCP server. Aggregate, sync and control calendars on Google, Outlook, Office 365, iCloud, CalDAV or ICS.

EduSync is a Telegram bot that automatically syncs your Quera/CW assignments with Google Calendar, helping you stay organized and never miss a deadline. It provides an easy setup process, automatic syncing, manual control, smart updates, and a user-friendly interface.

Free, open-source property manager for short-term rental hosts. Sync Airbnb + Booking.com calendars, automate cleaning schedules, extract guest passport data. Live at renttools.io.

Sync ICS feeds like holidays, waste pickup, and F1 calendars into your CalDAV calendar (e.g., mailbox.org). Supports emoji mapping, recurring events, location filters, deduplication, and Docker automation.

Kotlin CalDAV client with offline sync and conflict resolution. Works with iCloud, Nextcloud, and other CalDAV servers.

Open-source, self-hosted productivity hub: tasks, projects, notes, urgent reminders and two-way Google/Apple Calendar sync. Cross-platform Flutter app (iOS, Android, Web, macOS, Windows, Linux) + Node.js/MySQL backend. Alternative to Todoist, TickTick and Apple Reminders.

A privacy-focused Google Apps Script that automatically syncs and consolidates multiple source calendars into one clean availability calendar.

Obsidian 日历议程面板:CalDAV / iCloud 双向同步,本地 Markdown 存储 — Two-way calendar sync (CalDAV/iCloud) with an agenda panel in Obsidian. 五种视图 / 24 小时制时间输入 / 双语界面

Bidirectional Apple CalDAV/iCloud and Google Calendar sync daemon built with TypeScript, Node.js, and PM2.

Microsoft 365 integration for Frappe/ERPNext — Outlook calendar two-way sync, Teams meetings & transcripts (the Microsoft equivalent of Frappe's Google Calendar).

AI-powered event scraper for Taiwan medical societies—automatically extract events from hematology, oncology, internal medicine websites and sync to Google Calendar via Claude Code skill

Pure-Go client library for Microsoft Exchange ActiveSync (EAS) 14.1 — WBXML codec, Autodiscover, Provision, FolderSync, Sync and Ping commands with typed Email, Calendar, Contacts and Tasks models. Spec-first (TDD) against the MS-ASWBXML / MS-ASCMD / MS-ASHTTP open specifications.

A chrome extension which allows Boston University students to sync their class schedule with Google Calendar, created as a submission to BostonHacks 2023

Syncs Codeforces, AtCoder, LeetCode & CodeChef contests to Google Calendar automatically. No server. No maintenance. Just GitHub Actions.

Privacy-focused AI assistant for Microsoft Teams. Automatically detects and syncs events to your calendar using local API keys.

Self-hosted, bidirectional calendar & contacts sync across iCloud, Google, Microsoft/Outlook and any CalDAV/CardDAV server — an open-source SyncGene alternative with a web UI (vdirsyncer + FastAPI).

Non-interactive TimeTree calendar bridge for Hermes Agent

Unofficial native Ubuntu Touch (Lomiri) CardDAV and CalDAV synchronization client for Synology NAS.

Python Flask service deployed on Cloud Run that syncs Google Sheets data to Google Calendar with SQLite persistence and Cloud Scheduler automation.

Transforma URLs de calendarios de Airbnb en JSON estructurado con esta API ligera. Analiza archivos ICAL/ICS, extrayendo disponibilidad, precios y reservas. Ideal para herramientas de gestión de propiedades, dashboards de BI o sincronizar plataformas. ¡Integración simple y rápida! 🚀 Desarrollado en Express - Node.js