Open Source Calendar Software

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Calendar Software

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

  • Auth0 for AI Agents now in GA Icon
    Auth0 for AI Agents now in GA

    Ready to implement AI with confidence (without sacrificing security)?

    Connect your AI agents to apps and data more securely, give users control over the actions AI agents can perform and the data they can access, and enable human confirmation for critical agent actions.
    Start building today
  • Grafana: The open and composable observability platform Icon
    Grafana: The open and composable observability platform

    Faster answers, predictable costs, and no lock-in built by the team helping to make observability accessible to anyone.

    Grafana is the open source analytics & monitoring solution for every database.
    Learn More
  • 1
    openCRX - Enterprise Class CRM

    openCRX - Enterprise Class CRM

    professional CRM and groupware service, ready for the cloud

    openCRX moved to https://github.com/opencrx
    10 Reviews
    Downloads: 2 This Week
    Last Update:
    See Project
  • 2
    Personal Reminder 3.0
    Personal Reminder site with 3 modules (notes, dates, file uploader) written in PHP, using a MySQL database. Highly customizable.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 3
    Extranator is a PHP application used to create extranet/intranet solution.
    1 Review
    Downloads: 0 This Week
    Last Update:
    See Project
  • 4
    A collection of functions to assist team work within a small to medium enterprise: Address Book, Calendar, Timesheet, Document Management, Email
    Downloads: 0 This Week
    Last Update:
    See Project
  • Free and Open Source HR Software Icon
    Free and Open Source HR Software

    OrangeHRM provides a world-class HRIS experience and offers everything you and your team need to be that HR hero you know that you are.

    Give your HR team the tools they need to streamline administrative tasks, support employees, and make informed decisions with the OrangeHRM free and open source HR software.
    Learn More
  • 5
    NETOFFICE EIS: CRM/SRM Corporate AddressBook ; iCAL Corporate Calendar + Agenda ; eMSG MailBox Email + Fax Messagery ; DMS FileManager + Document Management ; EXTM ModExpress (modules / extra apps: financial, sales) ; CPanel administration ; Intercha
    3 Reviews
    Downloads: 0 This Week
    Last Update:
    See Project
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