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OnceHub alternatives · Calendar

Self-hosted alternatives to OnceHub

The OnceHub listing does not say it can be self-hosted. 5 of the 89 other calendar and scheduling apps in this directory can be self-hosted, according to their own sites.

OnceHub has a free plan. Paid plans start at $10 per seat / month, billed annually ($12 billed monthly). All of them are free or have a free plan.

5 tools · Listings checked up to Nov 12, 2026 · Where the facts come from

How each one differs from OnceHub

  1. Cal.com

    Scheduling platform with a free plan, API and embeds

    • Cal.com starts at $12 per user / month, billed yearly ($16 billed monthly). OnceHub starts at $10 per seat / month, billed annually ($12 billed monthly).
    • Only Cal.com lists macOS, Windows, Linux, iOS and Android apps.
    • Cal.com is self-hostable, according to its own site.
    • Cal.com also covers workflow automation.
    Cal.com vs OnceHubCal.com pricing and details

  2. Easy!Appointments

    Open source appointment scheduler you host on your own server

    • Easy!Appointments starts at $20 per month, billed annually ($240 a year), for managed hosting. OnceHub starts at $10 per seat / month, billed annually ($12 billed monthly).
    • Only OnceHub lists a browser extension.
    • Easy!Appointments is open source and self-hostable, according to its own site.
    • Easy!Appointments also covers calendar and appointment booking.
    Easy!Appointments 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). OnceHub starts at $10 per seat / month, billed annually ($12 billed monthly).
    • Only OnceHub lists a browser extension.
    • Rallly is open source and self-hostable, according to its own site.
    • OnceHub also covers booking links and reports.
    Rallly pricing and details

  4. Crab Fit

    Free, open-source availability heat map for group events

    • Crab Fit is free. OnceHub starts at $10 per seat / month, billed annually ($12 billed monthly).
    • Only Crab Fit lists an Android app.
    • Crab Fit is open source and self-hostable, according to its own site.
    • Crab Fit also covers surveys.
    Crab Fit pricing and details

  5. Timeful

    Free, open-source group availability poll with calendar autofill

    • Timeful is free. OnceHub starts at $10 per seat / month, billed annually ($12 billed monthly).
    • Only OnceHub lists a browser extension.
    • Timeful is open source and self-hostable, according to its own site.
    • Timeful also covers calendar and surveys.
    Timeful pricing and details

Common questions

Is there a self-hosted alternative to OnceHub?

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

Can OnceHub be self-hosted?

The OnceHub listing does not say it can be self-hosted. The listing was checked on Oct 5, 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 Nov 12, 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 OnceHub: the alternatives its listing names first, then the tools that share the most features with it.