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Howie alternatives · Calendar

Howie alternatives with a Linux app

The Howie listing does not include a Linux app. 8 of the 75 other calendar and scheduling apps in this directory list a Linux app.

Howie is a paid product with a free trial, starting at $25 per month for 1,250 shared workspace credits. 7 of them are free or have a free plan.

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

How each one differs from Howie

  1. Toki

    AI calendar assistant that turns messages into events and to-dos

    • Toki starts at $3.99 per month, or $35.99 per year. Howie starts at $25 per month for 1,250 shared workspace credits.
    • Toki has a free plan. Howie does not, though it has a free trial.
    • Only Toki lists macOS, Windows, Linux, iOS and Android apps.
    • Toki also covers tasks, natural-language input and calendar.
    Toki vs HowieToki 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). Howie starts at $25 per month for 1,250 shared workspace credits.
    • Cal.com has a free plan. Howie does not, though it has a free trial.
    • Only Cal.com lists macOS, Windows, Linux, iOS and Android apps.
    • Only Cal.com lists a browser extension.
    Cal.com pricing and details

  3. Proton Calendar

    End-to-end encrypted calendar from the maker of Proton Mail

    • Proton Calendar starts at $3.99 per month, billed every 12 months ($47.88); $4.99 billed monthly. Howie starts at $25 per month for 1,250 shared workspace credits.
    • Proton Calendar has a free plan. Howie does not, though it has a free trial.
    • Only Proton Calendar lists macOS, Windows, Linux, iOS and Android apps.
    • Proton Calendar is open source and end-to-end encrypted, according to its own site.
    Proton Calendar pricing and details

  4. Tuta Calendar

    End-to-end encrypted calendar bundled with Tuta Mail

    • Tuta Calendar starts at €3 per month, paid yearly (€3.60 paid monthly). Howie starts at $25 per month for 1,250 shared workspace credits.
    • Tuta Calendar has a free plan. Howie does not, though it has a free trial.
    • Only Tuta Calendar lists macOS, Windows, Linux, iOS and Android apps.
    • Tuta Calendar is open source and end-to-end encrypted, according to its own site.
    Tuta Calendar pricing and details

  5. CalenGoo

    Highly configurable calendar and task app sold as a one-time purchase

    • CalenGoo starts at $5.99 one-time for Android; $6.99 for iOS; $49.99 for the desktop app. Howie starts at $25 per month for 1,250 shared workspace credits.
    • Only CalenGoo lists iOS, Android, Windows, macOS and Linux apps.
    • Only Howie lists a web app.
    • CalenGoo can be bought with a one-time purchase.
    CalenGoo pricing and details

  6. Rainlendar

    Skinnable desktop calendar for Windows, Mac and Linux

    • Rainlendar starts at €9.95 one-time for a lifetime Rainlendar Pro license. Howie starts at $25 per month for 1,250 shared workspace credits.
    • Rainlendar has a free plan. Howie does not, though it has a free trial.
    • Only Rainlendar lists Windows, macOS and Linux apps.
    • Only Howie lists a web app.
    Rainlendar pricing and details

  7. GNOME Calendar

    Free, open-source calendar app for the GNOME desktop on Linux

    • GNOME Calendar is free. Howie starts at $25 per month for 1,250 shared workspace credits.
    • GNOME Calendar has a free plan. Howie does not, though it has a free trial.
    • Only GNOME Calendar lists a Linux app.
    • Only Howie lists a web app.
    GNOME Calendar pricing and details

  8. Merkuro Calendar

    Open-source calendar and task app from KDE for Linux

    • Merkuro Calendar is free. Howie starts at $25 per month for 1,250 shared workspace credits.
    • Merkuro Calendar has a free plan. Howie does not, though it has a free trial.
    • Only Merkuro Calendar lists a Linux app.
    • Only Howie lists a web app.
    Merkuro Calendar pricing and details

Common questions

Which Howie alternatives have a Linux app?

Toki, Cal.com, Proton Calendar, Tuta Calendar, CalenGoo, Rainlendar, GNOME Calendar and Merkuro Calendar list a Linux app.

Does Howie have a Linux app?

The Howie listing does not include a Linux app. It lists Web.

Which of these calendar and scheduling apps are free?

Toki, Cal.com, Proton Calendar, Tuta Calendar, Rainlendar, GNOME Calendar and Merkuro Calendar are free or have a free plan.

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 Howie: the alternatives its listing names first, then the tools that share the most features with it.