Calendar Software for Windows Server

Browse free open source Calendar software and projects for Windows Server 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
    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: 520 This Week
    Last Update:
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  • 2
    RemoteCalendars is a COM-.NET Add-in for Outlook 2003/2007, written in C#. After installing this plugin, every Outlook user should be able to subscribe, reload and delete a generic remote iCalendar (RFC 2445) from Outlook 2003/2007.
    Downloads: 5 This Week
    Last Update:
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  • 3
    Defalto CRM

    Defalto CRM

    Free open source CRM for sales, projects and invoicing

    Defalto CRM helps small sales and service teams manage customer relationships and daily work in one web application. Keep contacts, opportunities, quotes, invoices, projects, tasks and customer support together. Download the free open source core and run it on your own server. Defalto is developed by IT Solutions4You, with a new version published every month. Optional extensions, managed hosting, customization and professional support are available separately. Try Defalto CRM in the live demo, or download the latest ZIP package from SourceForge and follow the installation guide to install it on your server. Live demo: https://defalto.com/demo/ Installation guide: https://defalto.com/administrator-guide/installation-guide/ User guide: https://defalto.com/user-guide/ Latest release notes: https://defalto.com/blog/defalto-crm-1-9-released/
    Downloads: 4 This Week
    Last Update:
    See Project
  • 4
    KABE-Calendar
    The "KABE-Calendar" is "free desktop calendar software" such as "wall hangings calendar". to display for up to one year.
    Downloads: 3 This Week
    Last Update:
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  • 5
     Google Calendar Client for Windows

    Google Calendar Client for Windows

    Windows Client for Google Calendars

    A small "Green" (and portable) Windows client that can retrieve events from multiple Google Calendars*, and display them on your PC.
    Downloads: 2 This Week
    Last Update:
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  • 6
    Bumblebee Instrument Management System
    Equipment/instrumentation booking and usage accounting system. Designed primarily for use in academic laboratories where a number of users share a set of instruments (e.g. NMR machines, microscopes, fume hoods).
    Downloads: 0 This Week
    Last Update:
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  • 7
    OutlookWebCalendar zeigt Frei/Gebucht-Informationen (die auf einem Exchange-Server gespeichert sind) von Gruppenmitgliedern übersichtlich in einer ASP-Anwendung an. Der Zugriff findet per "Exchange Web Services" statt.
    Downloads: 0 This Week
    Last Update:
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