Calendar Software for ChromeOS

Browse free open source Calendar software and projects for ChromeOS below. Use the toggles on the left to filter open source Calendar software by OS, license, language, programming language, and project status.

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  • 1
    DavMail POP/IMAP/SMTP/Caldav to Exchange
    DavMail is a POP/IMAP/SMTP/CalDAV/CardDAV/LDAP Exchange and Office 365 gateway allowing users to use any mail/calendar client (e.g. Thunderbird with Lightning or Apple iCal) with an Exchange server. DavMail now includes an LDAP gateway to Exchange global address book and user personal contacts to allow recipient address completion in the mail compose window and full calendar support with attendee free busy display. The main goal of DavMail is to provide standard compliant protocols in front of proprietary Exchange. This means LDAP for address book search, SMTP to send messages, IMAP to browse messages on the server in any folder, POP to retrieve inbox messages only, CalDAV for calendar support and CardDAV for contact synchronization.
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    Downloads: 3,517 This Week
    Last Update:
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  • 2
    WebCalendar
    Project has moved to github: https://github.com/craigk5n/webcalendar WebCalendar is a PHP application used to maintain a calendar for a single user or an intranet group of users. It can also be configured as an event calendar.
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    Downloads: 144 This Week
    Last Update:
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  • 3
    Group Office groupware and CRM

    Group Office groupware and CRM

    Take your office and CRM into the cloud!

    Installation instructions can be found here: https://groupoffice.readthedocs.io/en/latest/install/install.html Group Office is an open source groupware application. It makes your daily office tasks easier. Share projects, calendars, files and e-mail online. It is a complete solution for all your online office needs. From a customer phone call to a project and finally an invoice. The support system helps to keep your customers happy. Group Office is fast, secure and has privacy by design. You can stay in full control of your data by self hosting your cloud and e-mail. Our document editing solution keeps all data on the secured server instead of synchronising it to all user devices. GroupOffice is open source and modular. Which means it’s easy to customise and extend. You can turn off and on features and it enables any developer to create new modules for the platform.
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    Downloads: 138 This Week
    Last Update:
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  • 4
    RedNotebook is a graphical diary and journal helping you to keep track of notes and thoughts. It includes a calendar navigation, customizable templates for each day, export functionality and word clouds. You can also format, tag and search your entries. Please find the latest releases at https://rednotebook.app
    Downloads: 31 This Week
    Last Update:
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  • 5
    React Infinite Calendar

    React Infinite Calendar

    Infinite scrolling date-picker built with React

    The React Infinite Calendar project is a highly customizable date picker component for React applications that leverages virtualized rendering to provide smooth infinite scrolling through dates. It is designed to handle large date ranges efficiently by rendering only visible elements, which significantly improves performance compared to traditional calendar components. The library supports features such as localization, theming, keyboard navigation, and flexible date constraints, making it suitable for a wide variety of use cases. It integrates seamlessly with modern React workflows and supports multiple module formats for easy adoption in different environments. The component also includes advanced display options such as overlays, animations, and helper elements to enhance user experience. Its architecture relies on virtualization techniques to maintain responsiveness even when navigating across decades of dates.
    Downloads: 2 This Week
    Last Update:
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  • 6
    BORG is a calendar and task tracking system written in Java. The calendar provides a nice month view, month-print, email reminders, popup reminders and to do list. The task tracker tracks issues through various states.
    Downloads: 16 This Week
    Last Update:
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  • 7
    A simple agenda tool written in PHP with MySQL backend. An agenda tool accessible everywere there's internet. Easy to install and configure. Key-features include: scheduling appointments, holidays, todo lists, secure access, multiple users, etc.
    Downloads: 4 This Week
    Last Update:
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  • 8
    The VCS to ICS Calendar Converter allows you to convert VCALENDAR files (for example generated by Nokia nbuexplorer or Microsoft Works) to the newer iCalendar format, used by Android and iOS for example. It allows the parsing of events and todo's.
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    Downloads: 17 This Week
    Last Update:
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  • 9
    JDavide
    JDavide (per gli amici JD) è un software gratuito per la gestione dello Studio Legale che aiuta l’avvocato nell’espletamento delle operazioni quotidiane. Funzionalità: pratiche, agenda, formulario, atti, parcellazione, rivalutazione, ecc.
    Downloads: 7 This Week
    Last Update:
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  • 10
    iCal4j
    A Java library for reading and writing iCalendar (*.ics) files.
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    Downloads: 2 This Week
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  • 11
    Calendar Multiplatform in .NET
    Downloads: 8 This Week
    Last Update:
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  • 12
    Tpl makes it easy to serialize your C data using just a handful of API functions. The data is stored in its native binary form for maximum efficiency. C, Perl and XML supported. Data is portable across CPU types and OS's from Unix to Mac to Windows.
    Downloads: 8 This Week
    Last Update:
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  • 13
    chklinks is a non-threaded Perl link checker. It helps finding broken links on your website. It does not raises many simultaneously connections for its job, run out of the resources and crash your system in a moment.
    Downloads: 7 This Week
    Last Update:
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  • 14
    IlohaMail is a PHP based lightweight full featured multilingual webmail program with IMAP and POP3 support. IlohaMail also includes a full-featured contacts manager, bookmarks manager, and scheduler.
    Downloads: 6 This Week
    Last Update:
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  • 15
    Simple Calendar for Oracle Forms without library.
    Downloads: 2 This Week
    Last Update:
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  • 16
    Open Source software (PHP) managing iCal (rfc2445) files, for non-calendar systems like CMS, project mgmt systems etc. able to manage calendar information like agendas, tasks, reports, totos, journaling data and communicate with calendar software.
    Downloads: 3 This Week
    Last Update:
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  • 17

    persian-calendar

    Java Persian Calendar library

    NOTICE: for the time bieng we are at http://code.google.com/p/persian-calendar/ a light-weight and easy to use Persian Calendar system (known as jalali or shamsi) for JDK. algorithms for converting Julian days to the Persian calendar, and vice versa are adopted from "casema.nl/couprie/calmath/persian/index.html" written entirely in VB. The algorithms is not exactly the same as the original. I've done some minor changes in the sake of performances and corrected some bugs. By Extending GregorianCalendar PersianCalendar supports: Converting Gregorian to Persian Calendar system and vice versa. Adding Years, Months, Days, Hours, Minutes etc to the current date Parsing string and produce PersianCalendar?! future release! Swing base DateTime? picker component GWT DatePicker? component see how to use: http://code.google.com/p/persian-calendar/wiki/ExampleUsage or read : https://sourceforge.net/p/persian/wiki/
    Downloads: 3 This Week
    Last Update:
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  • 18
    Calizo is a calendar with a zoomable timeline. Unlimited zooming allows to manage historic, genealogical, biographic data, everyday tasks, projects or life plans - for scheduling, genealogy, project management, todo lists, link- and file- organizatio
    Downloads: 1 This Week
    Last Update:
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  • 19
    Java-Kalender

    Java-Kalender

    Platformunabhängiger Kalender zum Eintragen von Ereignissen

    Platformunabhängiger Kalender zum Eintragen von Ereignissen mit Erinnerungsfunktion. Beinhaltet alle deutschen Feiertage. Zwischen den Ansichten Jahresansicht, Monatsansicht, Wochenansicht und Tagesansicht kann umgeschaltet werden. Der Kalender kann im Hintergrund laufen und ist personalisierbar. Automatische Erinnerungsfunktion für nahende Ereignisse / Feiertage. Synchronisation über einen FTP-Server möglich.
    Downloads: 2 This Week
    Last Update:
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  • 20
    Reqcore

    Reqcore

    Open Source Applicant Tracking System (ATS)

    Reqcore is an Applicant Tracking System built for companies receiving more applicants than they can effectively review. Instead of forcing recruiters to manually screen hundreds of résumés, Reqcore evaluates every applicant against role-specific hiring criteria and turns large applicant pools into a clear, prioritized shortlist. Each evaluation includes an explanation of why the candidate matches, helping hiring teams identify strong applicants without losing them in the noise. Reqcore is best suited to companies whose main recruitment challenge is reviewing applicants—not attracting more of them. It combines applicant tracking, candidate evaluation, pipeline management, and team collaboration in one modern hiring platform. Key Benefits: * Built for Applicant Overload: Manage roles receiving hundreds or thousands of applications without overwhelming recruiters. * Criteria-Based Evaluation: Evaluate every applicant against the qualifications and requirements that matter for
    Downloads: 2 This Week
    Last Update:
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  • 21

    PHPAdvocat

    lawyer office suite

    PHPAdvocat (Anwaltskanzlei-Suite) is a web based office suite for lawyer offices to manage contacts, files/documents, invoices and events. It is written in PHP and stores data in a PostgreSQL or MySQL database. Though it is mainly designed for german offices it should be adoptable for other countries. The Development has been moved to Gitlab: https://gitlab.com/phpadvocat/phpadvocat
    Downloads: 1 This Week
    Last Update:
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  • 22
    Homebase is a volunteer database and scheduling system designed at Bowdoin College for the Ronald McDonald Houses in Portland and Bangor, ME and Providence, RI. For more information on installation and use, see https://npfi.org/the-homebase-project/.
    Downloads: 1 This Week
    Last Update:
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  • 23
    Ozcode is the source code behind Ozmozr.com, a microformat-aware RSS aggregator, social networking, resource sharing, identity aggregation and presentation site.
    Downloads: 1 This Week
    Last Update:
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  • 24
    phpMyAgenda is a complete web application that allows you to manage and publish events (concert, meetings, etc...). It stores description, dates, places, contacts, event registrations, and event polls.
    Downloads: 1 This Week
    Last Update:
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  • 25
    ABDCalendar is a javascript framework for those that want to display a calendar in their webpages. It supports a month view and a daily view. You can add events or show them on the schedule.
    Downloads: 0 This Week
    Last Update:
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