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k5n.us (WebCalendar)

Home of WebCalendar, an open-source PHP calendar and scheduling system, plus related tools

Visit k5n.us (WebCalendar)

The site presents WebCalendar as its main product alongside a catalog of developer tools, libraries, web apps, and blog posts about building them. Recent releases add a command line tool for administrators, MCP support for AI assistants, WordPress export, and Docker-based deployment guides.

12 alternatives to k5n.us (WebCalendar)

Ranked by how well each tool replaces k5n.us (WebCalendar): shared features, audience, price and popularity.

  1. Tockify

    Customizable web calendars that blend seamlessly into your site

    Covers 0 of 15 key features and has a free plan.

    Free plan
    59 out of 100 match$8/mo

  2. Rainlendar

    Customizable Desktop Calendar

    Covers 0 of 15 key features and has a free plan.

    Free plan
    58 out of 100 matchFree

  3. DAViCal

    A CalDAV Store.

    Covers 2 of 15 key features.

    Open source
    57 out of 100 match—

  4. Radicale

    Free and Open-Source CalDAV and CardDAV Server

    Covers 2 of 15 key features.

    Open source
    56 out of 100 match—

  5. CalendarLink

    Add to calendar generator and RSVP tool

    Covers 1 of 15 key features and has a free plan.

    Free plan
    56 out of 100 match$19/mo

  6. CalendarWiz

    Smarter scheduling starts here!

    Covers 0 of 15 key features.

    55 out of 100 match$15/mo

  7. sabre/dav

    The open source CardDAV, CalDAV and WebDAV server

    Covers 1 of 15 key features and has a free plan.

    Free planOpen source
    55 out of 100 matchFree

  8. nocal

    Calendar, notes, and tasks with built-in MCP for AI agents

    Covers 0 of 15 key features and has a free plan.

    Free plan
    53 out of 100 match$4.99/mo

  9. Sindre Sorhus

    Full-Time Open-Sourcerer & App Maker

    Covers 1 of 15 key features and has a free plan.

    Free planOpen source
    53 out of 100 matchContact sales

  10. Koalendar

    Appointment scheduling software for booking meetings, intake forms and online payments

    Covers 0 of 15 key features and has a free plan.

    Free plan
    52 out of 100 match$6.99/mo

  11. CalenGoo

    A flexible and powerful calendar app with lots of features for syncing with Google Cloc.

    Covers 1 of 15 key features.

    52 out of 100 match—

  12. Kin Calendar

    The simple & connected calendar

    Covers 0 of 15 key features.

    52 out of 100 match—