Google Workspace CLI — one command-line tool for Drive, Gmail, Calendar, Sheets, Docs, Chat, Admin, and more. Dynamically built from Google Discovery Service. Includes AI agent skills.

Full-sized drag & drop event calendar in JavaScript

🍞📅A JavaScript calendar that has everything you need.

An easily internationalizable, mobile-friendly datepicker library for the web

A fully customizable iOS calendar library, compatible with Objective-C and Swift

A set of Ansible playbooks to build and maintain your own private cloud: email, calendar, contacts, file sync, IRC bouncer, VPN, and more.

React Native Calendar Components 🗓️ 📆

Leantime is a goals focused project management system for non-project managers. Building with ADHD, Autism, and dyslexia in mind.

RecyclerView? ListView or ViewGroup? No, it's Canvas! Ultra performance and free customization interface! Vertical and horizontal, Fast rendering and extremely low memory. Android上一个优雅、万能自定义UI、仿iOS、自定义动画，支持垂直、水平方向切换、支持周视图、自定义周起始、性能高效的日历控件，热插拔实现UI定制！Canvas绘制，渲染速度快、占用内存低，你真的想不到日历居然还可以如此优雅。

gcal/outlook like calendar component

The mobile-friendly, responsive, and lightweight jQuery date & time input picker.

The Unofficial Apple iOS Swift Calendar View. Swift calendar Library. iOS calendar Control. 100% Customizable

Tuta is an email service with a strong focus on security and privacy that lets you encrypt emails, contacts and calendar entries on all your devices.

The official Lark/Feishu CLI tool, maintained by the larksuite team — built for humans and AI Agents. Covers core business domains including Messenger, Docs, Base, Sheets, Calendar, Mail, Tasks, Meetings, and more, with 200+ commands and 19 AI Agent Skills.

DayPicker is a customizable date picker component for React. Add date pickers, calendars, and date inputs to your web applications.

🍀 Local git statistics including GitHub-like contributions calendars.

2023-2025中国节假日、调休、补班日历，ICS格式，可供IPhone、Google Calendar、Outlook等客户端订阅，包含节假日API

A Material design back port of Android's CalendarView

Universal API for request permission and get its statuses.

A highly customizable calendar view and compose library for Android and Kotlin Multiplatform.

A simple, semantic and developer-friendly time package for golang

🇺🇦 Your meetings at your fingertips in the macOS menu bar

Apps Script samples for Google Workspace products.

Make a cascading timeline from markdown-like text. Supports simple American/European date styles, ISO8601, images, links, locations, and more.

A simple CalDAV (calendar) and CardDAV (contact) server.

An elegant calendar and datepicker plugin for Vue.

Standalone Android widget for picking a single date from a calendar view.

✨ Infinite scrolling date-picker built with React, with localization, range selection, themes, keyboard support, and more.

Itsycal is a tiny calendar for your Mac's menu bar. http://www.mowglii.com/itsycal

Date and time library for Rust