Ad
Learn more

Open Source Projects tagged "Calendar"

A curated collection of the best open source projects tagged "Calendar". Each listing includes a website screenshot along with a detailed review of its features.

Goal-driven project management for all brains
  • Stars

    12,025
  • Last commit

    18 hours ago
  • License

    AGPL-3.0
Open-source software designed to streamline tasks, boost productivity, and enhance collaboration for teams of all types, including those with ADHD and neurodiversity.

Open Source Alternative to:

Complete customer relationship management made simple
  • Stars

    3,557
  • Last commit

    24 hours ago
  • License

    AGPL-3.0
Open-source CRM software for managing customers, companies, projects and opportunities. Intuitive interface with cloud and self-hosted options available.

Open Source Alternative to:

Secure open source messaging for professional teams
  • Stars

    173
  • Last commit

    10 hours ago
  • License

    AGPL-3.0
Free Matrix-based messenger with end-to-end encryption, multi-platform bridges, and on-premise deployment. Connect across 30+ networks securely.

Open Source Alternative to: