Showing 190 open source projects for "calendars"

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  • 1
    React Native Calendars

    React Native Calendars

    Customizable React-Native calendar components

    ...By default the month of current local date will be displayed. Parameters that require date types accept YYYY-MM-DD formatted date-strings, JavaScript date objects, calendar objects and UTC timestamps. Calendars can be localized by adding custom locales to LocaleConfig object. Keep in mind that different marking types are not compatible. You can use just one marking style for a calendar. If you need custom functionality not supported by current day component implementations you can pass your own custom day component to the calendar.
    Downloads: 0 This Week
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  • 2
    iCalendar Generator

    iCalendar Generator

    Generate calendars in the iCalendar format

    Want to create online calendars so that you can display them on an iPhone's calendar app or in Google Calendar? This can be done by generating calendars in the iCalendar format (RFC 5545), a textual format that can be loaded by different applications. The format of such calendars is defined in RFC 5545, which is not a pleasant reading experience. This package implements RFC 5545 and some extensions from RFC 7986 to provide you an easy-to-use API for creating calendars. ...
    Downloads: 1 This Week
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  • 3
    Add to Calendar Button

    Add to Calendar Button

    The convenient JavaScript snippet to create buttons

    The convenient JavaScript snippet, which lets you reliably create beautiful buttons, where people can add events to their calendars. Welcome to the maybe most conveniant way working with Add to Calendar Buttons. Supporting all major calendars; in all modern browsers (Chrome, Edge, Firefox, Safari); on Windows, Mac, Android, and iOS as well as rather restricted webview environments like the Instagram in-app browser. For everybody, who wants to include a button at their website or app, which enables users to easily add a specific event to their calendars. ...
    Downloads: 0 This Week
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  • 4
    Etar Calendar

    Etar Calendar

    Android open source calendar

    Etar is an open-source material-designed calendar made for everyone.
    Downloads: 7 This Week
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  • 5
    Cal.com

    Cal.com

    Scheduling infrastructure for absolutely everyone

    ...Send bookings to different calendars or set a default. Cal.com checks for conflicts across all of your calendars and only offers times that are open. Never get double-booked again. Cal.com enables you to build processes around your events. Notifications, reminders, and follow-ups are automatically taken care of.
    Downloads: 2 This Week
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  • 6
    Open Scouts

    Open Scouts

    AI-powered web monitoring platform

    Open Scouts is an open-source platform designed to help organizations and communities manage volunteer resources, scout missions, and field operations with structured dashboards, task coordination tools, and reporting workflows. It brings together participant profiles, mission calendars, assignment tracking, and communication channels into one unified interface, enabling teams to plan events, assign responsibilities, and measure engagement without relying on disparate spreadsheets or manual tracking. Volunteers and team leads can log activity, submit reports, and visualize mission progress, while administrators gain oversight into coverage gaps, availability calendars, and participation trends. ...
    Downloads: 0 This Week
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  • 7
    Phproject

    Phproject

    A high performance full-featured project management system

    Phproject is a modular project management platform built with PHP. It includes task management, file sharing, time tracking, and calendars, making it a versatile tool for team productivity. Phproject is fully self-hosted and ideal for organizations needing a customizable, open-source project management solution.
    Downloads: 0 This Week
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  • 8
    Outlook Google Calendar Sync

    Outlook Google Calendar Sync

    Sync your Outlook and Google calendars

    Offers calendar synchronization between Outlook and Google, including attendees and reminders. Completely free, no install necessary, works behind web proxies and actively developed. Supports all versions of Outlook from 2003 to 2019/Microsoft365 64-bit! Installable and portable options - even runs from a USB thumbdrive. Synchronises items in any calendar folder, including those shared with you. Differential comparison updates only attributes that have changed. Customizable date range to...
    Downloads: 26 This Week
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  • 9
    Kurrier

    Kurrier

    Workspace for email, calendar, contacts and storage

    Kurrier is a self-hosted, open-source workspace that brings email, calendars, contacts, and file storage into a single modern web interface while keeping your data under your control. It’s designed to sit on top of standard protocols and services rather than replacing them, connecting to mail providers through IMAP/SMTP and supporting outbound delivery options such as SES or popular transactional email providers.
    Downloads: 0 This Week
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  • 10
    Bits UI

    Bits UI

    The headless components for Svelte

    ...The project builds on concepts inspired by libraries such as Radix UI and React Spectrum and integrates builder patterns influenced by Melt UI to deliver powerful component abstractions. Developers can use Bits UI to implement complex interface patterns such as dropdowns, modals, and calendars while preserving accessibility standards and predictable interaction behaviors.
    Downloads: 2 This Week
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  • 11
    ProjectForge

    ProjectForge

    Web-based solution for project management

    ProjectForge is a professional-grade, Java‑based web PM solution offering time tracking, team calendars, Gantt charts, financials, and work‑breakdown control. It’s available as Docker images or executable jar for server or desktop deployment.
    Downloads: 0 This Week
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  • 12
    OpenClaw

    OpenClaw

    Your own personal AI assistant. Any OS. Any Platform.

    ...It lets you send instructions through familiar messaging platforms like WhatsApp, Telegram, Discord, Slack, Signal, iMessage, and more, and then interprets those instructions to carry out actions such as managing calendars, sending emails or messages, browsing the web, executing system commands, and coordinating workflows across services — all while maintaining long-term memory and context across sessions. Because it runs locally or on infrastructure you choose (like a personal computer, VPS, or Raspberry Pi), OpenClaw emphasizes data ownership, privacy, and full transparency into how your instructions are handled and what actions are taken, giving users autonomy over their AI workflows.
    Downloads: 547 This Week
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  • 13
    Sogo

    Sogo

    SOGo is a very fast and scalable modern collaboration suite

    SOGo is an open-source groupware server that provides email, calendar, and contacts management with full web and mobile compatibility. It integrates with various email clients and supports enterprise collaboration.
    Downloads: 3 This Week
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  • 14
    web2project

    web2project

    A web-based project management system

    ...Emerged as a fork of dotProject, it supports complex workflows across multiple projects, companies, and departments. Its modular design enables custom extensions, and it offers integrated Gantt charts, time logs, calendars, and fine‑grained permissions.
    Downloads: 1 This Week
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  • 15
    DHTMLX Scheduler

    DHTMLX Scheduler

    GPL version of JavaScript Event Scheduler

    DHTMLX Scheduler is a powerful JavaScript library for building web-based event calendars and scheduling interfaces. It allows developers to integrate drag-and-drop scheduling components into their apps, with support for multiple views and recurring events. It’s ideal for applications requiring calendar-based planning.
    Downloads: 1 This Week
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  • 16
    GPTme

    GPTme

    Your agent in your terminal, equipped with local tools

    GPTMe is a personal AI chatbot designed for self-reflection, journaling, and productivity, using GPT models to generate personalized insights and responses.
    Downloads: 0 This Week
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  • 17
    MeetingBar

    MeetingBar

    Your meetings at your fingertips in the macOS menu bar

    MeetingBar works on macOS with your calendar. Join and create meetings in one click.
    Downloads: 2 This Week
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  • 18
    Kalendar

    Kalendar

    Kalendar is a powerful and customizable calendar library for Android

    ...It provides customizable calendar views with various features and functionalities. The Kalendar library simplifies the process of creating interactive and visually appealing calendars in Android apps. With its flexible configuration options, event integration, and interactive callbacks, you can easily build powerful calendar components that enhance the user experience.
    Downloads: 1 This Week
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  • 19
    libimobiledevice

    libimobiledevice

    A cross-platform protocol library to communicate with iOS devices

    ...Access filesystem of a device, access documents of file sharing apps, retrieve information about a device and modify various settings, backup and restore the device in a native way compatible with iTunes. Manage app icons arrangement on the device, install, remove, list and basically manage apps. Activate a device using official servers, manage contacts, calendars, notes and bookmarks, retrieve and remove crashreports. Retrieve various diagnostics information, establish a debug connection for app debugging, mount filesystem images, forward device notifications, manage device provisioning. Take screenshots from the device screen (requires mounted developer image). Simulate changed geolocation of the device (requires mounted developer image).
    Downloads: 45 This Week
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  • 20
    Nextcloud Talk

    Nextcloud Talk

    Video- & audio-conferencing app for Nextcloud

    ...You can have private, group, public or password protected calls by simply inviting one person, a whole group, or sending a public link as an invitation to a call. It is also conveniently integrated with other Nextcloud apps like Files and Contacts, so you can share and edit documents, link with calendars, tasks and other resources while in a chat room.
    Downloads: 6 This Week
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  • 21
    Proton Web Clients

    Proton Web Clients

    Monorepo hosting the proton web clients

    ...It consolidates all web client code, shared modules, dependencies, and development tooling into a single repository, enabling unified maintenance, consistency of design patterns, and efficient evolution of Proton’s online interfaces. These web clients run entirely in the browser, letting users securely interact with their email, calendars, files, and other services without needing native software installed, and benefiting from end-to-end encryption where applicable. The monorepo includes application logic, UI components, build scripts, and testing infrastructure for reliable deployments and streamlined continuous integration.
    Downloads: 10 This Week
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  • 22
    My Brain

    My Brain

    Open-source, All-in-one productivity app for Tasks, Notes, Calendar

    My Brain is an Open source, All-in-one productivity app for Tasks, Notes, Calendars, Diary, and Bookmarks. Private with no data collection and no internet permission at all. Create tasks with priority, sub-tasks, descriptions, and due dates and reminders. Create Notes that support markdown which enables you to use Headers, lists, links, etc. Record your mood daily and view your mood summary with beautiful graphs.
    Downloads: 1 This Week
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  • 23
    NCDatasets.jl

    NCDatasets.jl

    Load and create NetCDF files in Julia

    NCDatasets allows one to read and create netCDF files. NetCDF data set and attribute list behave like Julia dictionaries and variables like Julia arrays. This package implements the CommonDataModel.jl interface, which means that the datasets can be accessed in the same way as GRIB files opened with GRIBDatasets.jl.
    Downloads: 0 This Week
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  • 24
    jSuites

    jSuites

    Collection of lightweight common required javascript web components

    jSuites is a robust collection of lightweight, responsive JavaScript plugins and web components designed to provide common UI building blocks that work across frameworks and platforms while keeping performance and simplicity at the forefront. It includes a broad set of components such as calendars, dropdowns, color pickers, modals, sliders, tags, input masks, context menus, and rich form utilities that help enhance user experience without reinventing the wheel for each project. These components are framework-agnostic, meaning they can be used with plain JavaScript or easily integrated into major frameworks like React, Angular, and Vue, giving developers flexibility in how they adopt them. ...
    Downloads: 1 This Week
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  • 25
    Parchment

    Parchment

    A paging view with a highly customizable menu

    ...Parchment only allocates view controllers when they’re needed, meaning if you have a lot of view controllers you don’t have to initialize them all up-front. Because view controllers are only allocated as you are scrolling, you can create data sources that are infinitely large. This is perfect for things like calendars.
    Downloads: 0 This Week
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