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aCalendar alternatives · Calendar

Self-hosted alternatives to aCalendar

The aCalendar listing does not say it can be self-hosted. 4 of the 75 other calendar and scheduling apps in this directory can be self-hosted, according to their own sites.

aCalendar has a free plan. Paid plans start at $2.49 to $11.99 per one-time in-app upgrade; aCalendar+ is $11.99. All of them are free or have a free plan.

4 tools · Listings checked up to Oct 9, 2026 · Where the facts come from

How each one differs from aCalendar

  1. Timeful

    Free, open-source group availability poll with calendar autofill

    • Timeful is free. aCalendar starts at $2.49 to $11.99 per one-time in-app upgrade; aCalendar+ is $11.99.
    • Only Timeful lists a web app.
    • Only aCalendar lists an Android app.
    • Timeful is open source and self-hostable, according to its own site.
    Timeful pricing and details

  2. Cal.com

    Scheduling platform with a free plan, API and embeds

    • Cal.com starts at $12 per user / month, billed yearly ($16 billed monthly). aCalendar starts at $2.49 to $11.99 per one-time in-app upgrade; aCalendar+ is $11.99.
    • Only Cal.com lists a web app.
    • Only Cal.com lists macOS, Windows, Linux and iOS apps.
    • Only Cal.com lists a browser extension.
    Cal.com pricing and details

  3. Rallly

    Open-source meeting polls for finding a time that suits a group

    • Rallly starts at $6 per seat / month, billed yearly ($10 billed monthly). aCalendar starts at $2.49 to $11.99 per one-time in-app upgrade; aCalendar+ is $11.99.
    • Only Rallly lists a web app.
    • Only aCalendar lists an Android app.
    • Rallly is open source and self-hostable, according to its own site.
    Rallly pricing and details

  4. Crab Fit

    Free, open-source availability heat map for group events

    • Crab Fit is free. aCalendar starts at $2.49 to $11.99 per one-time in-app upgrade; aCalendar+ is $11.99.
    • Only Crab Fit lists a web app.
    • Only Crab Fit lists a browser extension.
    • Crab Fit is open source and self-hostable, according to its own site.
    Crab Fit pricing and details

Common questions

Is there a self-hosted alternative to aCalendar?

Yes. Timeful, Cal.com, Rallly and Crab Fit can be self-hosted, according to their own sites.

Can aCalendar be self-hosted?

The aCalendar listing does not say it can be self-hosted. The listing was checked on Oct 9, 2026 against the pages it cites.

When was this checked?

Each listing shows its own date. On this page they run from Oct 4, 2026 to Oct 9, 2026. Vendors change prices and plans without notice, so confirm on their site before you buy.

This page is built from the listings. A tool is here because its listing says so, and the order is how close each is to aCalendar: the alternatives its listing names first, then the tools that share the most features with it.