Showing 149 open source projects for "mobile calendar"

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  • 1
    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...
    Downloads: 0 This Week
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  • 2
    Etar Calendar

    Etar Calendar

    Android open source calendar

    Etar is an open-source material-designed calendar made for everyone.
    Downloads: 5 This Week
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  • 3
    Simple Calendar

    Simple Calendar

    A simple calendar with events, customizable widgets and no ads

    The most handy calendar out there. Manage your events and reminders easily. Simple Calendar Pro is a really flexible calendar with many event related options. It offers powerful repetition rules, optional CalDAV synchronization, ics file handling and much more. Top notch design ensures the best possible user experience. You will get familiar with it really quickly. You can create new events really quickly by predefining default values, or by duplicating existing events. There are many views you...
    Downloads: 5 This Week
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  • 4
    Calendar
    Calendar、Task This is only a read-only mirror repository. Main repository: https://github.com/KangLin/Calendar
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    Downloads: 3 This Week
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  • 5
    Nextcloud Server

    Nextcloud Server

    A safe home for all your data

    Nextcloud server is a free and open source server software that allows you to store all of your data in a server of your choosing. With Nextcloud you can easily access and store data in the data center you trust, sync data among various devices, and share your data for collaboration purposes. It offers the best security in the self hosted file sync and share world, and is expandable with hundreds of apps.
    Downloads: 45 This Week
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  • 6
    Tutanota

    Tutanota

    Open source email service with a strong focus on security and privacy

    Tutanota is an open source email client focused on security and privacy. It is built with end-to-end encryption and 2FA, so you can be assured of utmost email security. Tutanota is always encrypted, so whether you’re using their secure webmail client, mobile apps or desktop clients, you can be sure to communicate securely.
    Downloads: 17 This Week
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  • 7
    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: 8 This Week
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  • 8
    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: 4 This Week
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  • 9
    EGroupware

    EGroupware

    Web based groupware server written in PHP

    EGroupware is a web-based groupware solution for enterprise collaboration and productivity. It combines project management, email, calendaring, CRM, and file sharing in one open-source platform. EGroupware is designed for medium to large organizations looking for a self-hosted alternative to Microsoft 365 or Google Workspace.
    Downloads: 4 This Week
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  • 10
    React Native Calendars

    React Native Calendars

    Customizable React-Native calendar components

    This module includes various customizable React-Native calendar components. The package is both Android and iOS compatible. This project is compatible with Expo/CRNA (without ejecting), and the examples have been published on Expo. The solution is implemented in JavaScript so no native module linking is required. All parameters for components are optional. By default the month of current local date will be displayed. Parameters that require date types accept YYYY-MM-DD formatted date-strings...
    Downloads: 1 This Week
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  • 11
    Joda-Time

    Joda-Time

    Replacement for the Java date and time classes prior to Java SE 8

    The standard date and time classes prior to Java SE 8 are poor. By tackling this problem head-on, Joda-Time became the de facto standard date and time library for Java prior to Java SE 8. Note that from Java SE 8 onwards, users are asked to migrate to java.time (JSR-310) - a core part of the JDK which replaces this project. The design allows for multiple calendar systems, while still providing a simple API. The “default” calendar is the ISO8601 standard which is used by many other standards...
    Downloads: 2 This Week
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  • 12
    Nextcloud Android app

    Nextcloud Android app

    The Android client for Nextcloud

    Nextcloud Android app is the Android client for Nextcloud, a private file sync & share and communication server. It lets you access all of your files easily on your Nextcloud from any Android device. Nextcloud Android app is easy to use and completely open source, so you can host it yourself or have a company do it for you. Always stay in control of your photos, calendar, contact data and other documents and files with Nextcloud.
    Downloads: 2 This Week
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  • 13
    Birday

    Birday

    A beautiful Kotlin app to remember birthdays and events

    This app was created to remember and manage events in a simple and effective way. The app contains some basic personalization options and an introduction, plus some new resources like animated vector drawables and the automatic dark/light theme. Support and updates are guaranteed. Birday allows you to import birthdays directly from your contacts, with a simple favorite system and a set of stats to discover.
    Downloads: 1 This Week
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  • 14
    CalendarKit

    CalendarKit

    Calendar for Apple platforms in Swift

    CalendarKit is a Swift calendar UI library for iOS and Mac Catalyst. It looks similar to the Apple Calendar app out-of-the-box, while allowing customization when needed. CalendarKit is composed of multiple modules which can be used together or independently. CalendarKit requires EventDataSource to return an array of objects conforming to EventDescriptor protocol, specifying all the information needed to display a particular event. You're free to use a default Event class as a model or create...
    Downloads: 0 This Week
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  • 15
    react-native-modal-datetime-picker

    react-native-modal-datetime-picker

    A React-Native datetime-picker for Android and iOS

    A declarative cross-platform react-native date and time picker. This library exposes a cross-platform interface for showing the native date-picker and time-picker inside a modal, providing a unified user and developer experience.
    Downloads: 0 This Week
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  • 16
    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: 0 This Week
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  • 17

    julian-day-calendar-1583

    Integer algorithms from J. Scaliger in 1583 for calendar date "math"

    Josephus Justus Scaliger created the concept of Julian Day Number (named in honor of his father Julius) because he was a historian interested in resolving historical dates based on different calendars. He brought together several calendars including the Gregorian calendar in 1583 and chose a base date of 4713 BC January 1 from which to number all days. He chose that date as one common to the then common calendars he wanted to reconcile. He also devised an algorithm using integer calculations...
    Downloads: 0 This Week
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  • 18

    Monthly Calendar

    Android calendar app focusing on a good view of a month.

    An Android calendar app focusing on a good view of a month, because I like the monthly view, and never use weekly view. So do you? Then this might be for you. For Android 4.0 and above. Legacy (Android 2.2+) version also available.
    Downloads: 0 This Week
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  • 19

    Yet Another BACnet Explorer

    Graphical explorer for BACnet and Free BACnet library in C#

    Graphical explorer program written in C#, for browsing BACnet devices (run on Windows & Linux). Supports BACnet MS/TP, Ethernet, IPv4, IPv6, SecureConnect Basic functions for read, write, read multiple, write multiple, iam, whois, subscribeCOV, notify, WriteFile, ReadFile etc. Includes three demo server applications : a generic server, a wall mounted room controller simulator, a weather server (gets data from an Internet webservice). Includes a lot of samples C# source code. Raspberry...
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    Downloads: 1,768 This Week
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  • 20
    Vtiger CRM

    Vtiger CRM

    An enterprise-class CRM and more!

    Vtiger CRM enables sales, support, and marketing teams to organize and collaborate to measurably improve customer experiences and business outcomes. Vtiger CRM also includes email, inventory, project management, and other tools, providing a complete the business management suite. Download Vtiger CRM here or sign up for a free 15-day free trial of the cloud-based application with free updates and support at https://www.vtiger.com/
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    Downloads: 710 This Week
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  • 21
    Z-Push Zimbra Backend
    This project provides a zimbra backend for the z-push open source ActiveSync implementation (https://github.com/Z-Hub/Z-Push). It supports push email, and synchronization of contacts, calendar, and tasks between zimbra and ActiveSync enabled devices.
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    Downloads: 66 This Week
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  • 22
    AppFlowy

    AppFlowy

    Bring projects, wikis, and teams together with AI.

    AppFlowy is an AI collaborative workspace where you can achieve more without losing control of your data. It is the best open source alternative to Notion, offering a 100% offline mode and self-hosting with a cloud service of your choice. Build a centralized workspace for your wiki, projects, and notes with AppFlowy. It allows you to organize and visualize your data in tables, Kanban boards, calendars, and more. You can filter and sort your data in any way you want. AppFlowy comes...
    Downloads: 60 This Week
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  • 23
    Tiki Wiki CMS Groupware

    Tiki Wiki CMS Groupware

    The Free / Libre / Open Source Web App with the most built-in features

    .... Major features include a wiki engine, news articles, discussion forums, newsletters, blogs, file galleries, bug and issue trackers (form generator), polls/surveys and quizzes, banner management system, calendar, maps, mobile , RSS feeds, category system, tags, an advanced themeing engine, spreadsheet, drawings, inter-user messaging, menus, advanced permission system for users and groups, search engine, external authentication, etc. Security reports: https://security.tiki.org
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    Downloads: 88 This Week
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  • 24
    Lifeograph

    Lifeograph

    Advanced personal note taking application

    Lifeograph is a diary program to take personal notes on life. It has all essential functionality expected in a diary program and strives to have a clean and streamlined user interface.
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    Downloads: 27 This Week
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  • 25
    Defalto

    Defalto

    Fast, modular open-source CRM for growing businesses

    Defalto CRM, developed by IT-Solutions4You, is a modern and modular open-source CRM system built on over 15 years of real business and CRM development experience. Designed for companies of all sizes, it helps teams manage sales, projects, and customer relationships efficiently through a clean, intuitive interface. The platform combines professional know-how with modern design and functionality. Its free core modules cover essential CRM features, while optional add-ons expand capabilities...
    Downloads: 18 This Week
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