Skip to content
ToolGPA

Things 3 alternatives · To-Do Lists

Things 3 alternatives with a Linux app

The Things 3 listing does not include a Linux app. 27 of the 123 other to-do list apps in this directory list a Linux app.

Things 3 is a paid product with a free trial, starting at $9.99 one-time for iPhone; iPad $19.99 and Mac $49.99 are sold separately. 25 of them are free or have a free plan.

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

The 12 closest to Things 3

  1. Todoist

    Cross-platform to-do list with natural-language task entry

    • Todoist starts at $5 per user / month, billed yearly. Things 3 starts at $9.99 one-time for iPhone; iPad $19.99 and Mac $49.99 are sold separately.
    • Todoist has a free plan. Things 3 does not, though it has a free trial.
    • Only Todoist lists a web app.
    • Only Todoist lists Windows, Linux and Android apps.
    Todoist vs Things 3Todoist pricing and details

  2. TickTick

    To-do list with a calendar, habit tracker and Pomodoro timer built in

    • TickTick starts at $49.99 per year (about $4.17 per month). Things 3 starts at $9.99 one-time for iPhone; iPad $19.99 and Mac $49.99 are sold separately.
    • TickTick has a free plan. Things 3 does not, though it has a free trial.
    • Only TickTick lists a web app.
    • Only TickTick lists Windows, Linux and Android apps.
    TickTick vs Things 3TickTick pricing and details

  3. Amazing Marvin

    Customizable task manager with 100+ features you switch on as needed

    • Amazing Marvin starts at $8 per month, billed annually ($96); $12 billed monthly. Things 3 starts at $9.99 one-time for iPhone; iPad $19.99 and Mac $49.99 are sold separately.
    • Only Amazing Marvin lists a web app.
    • Only Amazing Marvin lists Windows, Linux and Android apps.
    • Only Amazing Marvin lists a browser extension.
    Amazing Marvin vs Things 3Amazing Marvin pricing and details

  4. Planify

    Free, open-source task manager for the Linux desktop

    • Planify is free. Things 3 starts at $9.99 one-time for iPhone; iPad $19.99 and Mac $49.99 are sold separately.
    • Planify has a free plan. Things 3 does not, though it has a free trial.
    • Only Planify lists a Linux app.
    • Only Things 3 lists macOS and iOS apps.
    Planify pricing and details

  5. sleek

    Free, open-source todo.txt manager for Windows, macOS and Linux

    • sleek is free. Things 3 starts at $9.99 one-time for iPhone; iPad $19.99 and Mac $49.99 are sold separately.
    • sleek has a free plan. Things 3 does not, though it has a free trial.
    • Only sleek lists Windows and Linux apps.
    • Only Things 3 lists an iOS app.
    sleek pricing and details

  6. Brisqi

    Offline-first personal kanban app with one-time licenses

    • Brisqi starts at $29.99 one-time, for 1 desktop computer. Things 3 starts at $9.99 one-time for iPhone; iPad $19.99 and Mac $49.99 are sold separately.
    • Brisqi has a free plan. Things 3 does not, though it has a free trial.
    • Only Brisqi lists Windows, Linux and Android apps.
    • Brisqi is end-to-end encrypted, according to its own site.
    Brisqi pricing and details

  7. Remember The Milk

    Long-running to-do app with one-line task entry and saved searches

    • Remember The Milk starts at $49.99 per year. Things 3 starts at $9.99 one-time for iPhone; iPad $19.99 and Mac $49.99 are sold separately.
    • Remember The Milk has a free plan. Things 3 does not, though it has a free trial.
    • Only Remember The Milk lists a web app.
    • Only Remember The Milk lists Windows, Linux and Android apps.
    Remember The Milk pricing and details

  8. Vikunja

    Open-source task manager to self-host or use as a paid cloud

    • Vikunja starts at €4 per month, or €40 billed yearly (Vikunja Cloud Personal). Things 3 starts at $9.99 one-time for iPhone; iPad $19.99 and Mac $49.99 are sold separately.
    • Vikunja has a free plan. Things 3 does not, though it has a free trial.
    • Only Vikunja lists a web app.
    • Only Vikunja lists Windows, Linux and Android apps.
    Vikunja pricing and details

  9. Everdo

    Offline-first GTD task manager sold as a one-time purchase

    • Everdo starts at $39.99 one-time for Pro on iOS only, or $99.99 one-time for all platforms. Things 3 starts at $9.99 one-time for iPhone; iPad $19.99 and Mac $49.99 are sold separately.
    • Everdo has a free plan. Things 3 does not, though it has a free trial.
    • Only Everdo lists Windows, Linux and Android apps.
    • Only Everdo lists a browser extension.
    Everdo pricing and details

  10. Zenkit To Do

    Shared task lists with smart lists, part of the Zenkit suite

    • Zenkit To Do starts at $8 per seat / month, billed annually (Zenkit Plus), excluding VAT. Things 3 starts at $9.99 one-time for iPhone; iPad $19.99 and Mac $49.99 are sold separately.
    • Only Zenkit To Do lists a web app.
    • Only Zenkit To Do lists Windows, Linux and Android apps.
    • Things 3 can be bought with a one-time purchase.
    Zenkit To Do pricing and details

  11. SingularityApp

    Planner with tasks, calendar, habits and a Pomodoro timer

    • SingularityApp starts at $3.33 per month, billed annually ($3.99 billed monthly). Things 3 starts at $9.99 one-time for iPhone; iPad $19.99 and Mac $49.99 are sold separately.
    • SingularityApp has a free plan. Things 3 does not, though it has a free trial.
    • Only SingularityApp lists a web app.
    • Only SingularityApp lists Windows, Linux and Android apps.
    SingularityApp pricing and details

  12. Mindwtr

    Free, open-source GTD task manager for desktop and mobile

    • Mindwtr is free. Things 3 starts at $9.99 one-time for iPhone; iPad $19.99 and Mac $49.99 are sold separately.
    • Mindwtr has a free plan. Things 3 does not, though it has a free trial.
    • Only Mindwtr lists Windows, Linux and Android apps.
    • Mindwtr is open source, according to its own site.
    Mindwtr pricing and details

15 more that list a Linux app

All 27 in one table

Common questions

Which Things 3 alternatives have a Linux app?

Todoist, TickTick, Amazing Marvin, Planify, sleek, Brisqi, Remember The Milk, Vikunja and 19 more list a Linux app.

Does Things 3 have a Linux app?

The Things 3 listing does not include a Linux app. It lists macOS and iOS.

Which of these to-do list apps are free?

Todoist, TickTick, Planify, sleek, Brisqi, Remember The Milk, Vikunja, Everdo and 17 more 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 Things 3: the alternatives its listing names first, then the tools that share the most features with it.