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Smartsheet alternatives · Project Management

Open-source alternatives to Smartsheet

Smartsheet is not described as open source on its own site. 12 of the 75 other project management tools in this directory are open source, according to their own sites.

Smartsheet is a paid product with a free trial, starting at $9 per Member / month, billed yearly ($12 billed monthly). All of them are free or have a free plan.

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

How each one differs from Smartsheet

  1. WeKan

    Open-source kanban boards with swimlanes, self-hosted or hosted

    • WeKan starts at €50 per year for hosted WeKan with the Admin Panel. Smartsheet starts at $9 per Member / month, billed yearly ($12 billed monthly).
    • WeKan has a free plan. Smartsheet does not, though it has a free trial.
    • Only Smartsheet lists macOS and iOS apps.
    • WeKan is open source and self-hostable, according to its own site.
    WeKan pricing and details

  2. Plane

    Open-source project management with cycles, wiki and AI agents

    • Plane starts at $6 per seat / month, billed annually. Smartsheet starts at $9 per Member / month, billed yearly ($12 billed monthly).
    • Plane has a free plan. Smartsheet does not, though it has a free trial.
    • Only Plane lists a Linux app.
    • Only Smartsheet lists a Windows app.
    Plane pricing and details

  3. Kanboard

    Free, self-hosted kanban board software under the MIT License

    • Kanboard is free. Smartsheet starts at $9 per Member / month, billed yearly ($12 billed monthly).
    • Kanboard has a free plan. Smartsheet does not, though it has a free trial.
    • Only Smartsheet lists macOS, Windows, iOS and Android apps.
    • Kanboard is open source and self-hostable, according to its own site.
    Kanboard pricing and details

  4. Leantime

    Open-source project management built with neurodivergence in mind

    • Leantime starts at $8 per user / month, billed annually. Smartsheet starts at $9 per Member / month, billed yearly ($12 billed monthly).
    • Leantime has a free plan. Smartsheet does not, though it has a free trial.
    • Only Smartsheet lists macOS and Windows apps.
    • Leantime is open source and self-hostable, according to its own site.
    Leantime pricing and details

  5. Kan

    Open-source kanban boards, built as an alternative to Trello

    • Kan starts at $8 per user / month, billed yearly. Smartsheet starts at $9 per Member / month, billed yearly ($12 billed monthly).
    • Kan has a free plan. Smartsheet does not, though it has a free trial.
    • Only Smartsheet lists macOS, Windows, iOS and Android apps.
    • Kan is open source and self-hostable, according to its own site.
    Kan pricing and details

  6. OpenProject

    Open-source project management for classic and agile teams

    • OpenProject starts at $7.25 per user / month, billed yearly (5-user minimum). Smartsheet starts at $9 per Member / month, billed yearly ($12 billed monthly).
    • OpenProject has a free plan. Smartsheet does not, though it has a free trial.
    • Only Smartsheet lists macOS and Windows apps.
    • OpenProject is open source and self-hostable, according to its own site.
    OpenProject pricing and details

  7. Redmine

    Free, self-hosted issue tracker and project management web app

    • Redmine is free. Smartsheet starts at $9 per Member / month, billed yearly ($12 billed monthly).
    • Redmine has a free plan. Smartsheet does not, though it has a free trial.
    • Only Smartsheet lists macOS, Windows, iOS and Android apps.
    • Redmine is open source and self-hostable, according to its own site.
    Redmine pricing and details

  8. Taiga

    Open-source agile project management with Scrum and Kanban

    • Taiga starts at €5 per month for unlimited users (€50 billed annually). Smartsheet starts at $9 per Member / month, billed yearly ($12 billed monthly).
    • Taiga has a free plan. Smartsheet does not, though it has a free trial.
    • Only Smartsheet lists macOS, Windows, iOS and Android apps.
    • Taiga is open source and self-hostable, according to its own site.
    Taiga pricing and details

  9. Fizzy

    Free kanban tracker for bugs, issues and ideas from 37signals

    • Fizzy is free. Smartsheet starts at $9 per Member / month, billed yearly ($12 billed monthly).
    • Fizzy has a free plan. Smartsheet does not, though it has a free trial.
    • Only Smartsheet lists macOS and Windows apps.
    • Fizzy is open source and self-hostable, according to its own site.
    Fizzy pricing and details

  10. ProjectLibre

    Microsoft Project-compatible scheduling: free desktop app, paid cloud

    • ProjectLibre starts at $9.99 per user / month, billed annually. Smartsheet starts at $9 per Member / month, billed yearly ($12 billed monthly).
    • ProjectLibre has a free plan. Smartsheet does not, though it has a free trial.
    • Only ProjectLibre lists a Linux app.
    • Only Smartsheet lists iOS and Android apps.
    ProjectLibre pricing and details

  11. GanttProject

    Free, open-source desktop Gantt chart app for Windows, macOS and Linux

    • GanttProject starts at €1 per active team member / month for the optional Cloud service; desktop app is free. Smartsheet starts at $9 per Member / month, billed yearly ($12 billed monthly).
    • GanttProject has a free plan. Smartsheet does not, though it has a free trial.
    • Only GanttProject lists a Linux app.
    • Only Smartsheet lists a web app.
    GanttProject pricing and details

  12. Huly

    Open-source project management with chat, docs and video calls

    • Huly starts at $19.99 / month flat, unlimited users. Smartsheet starts at $9 per Member / month, billed yearly ($12 billed monthly).
    • Huly has a free plan. Smartsheet does not, though it has a free trial.
    • Only Huly lists a Linux app.
    • Only Smartsheet lists iOS and Android apps.
    Huly pricing and details

Common questions

Is there an open-source alternative to Smartsheet?

Yes. WeKan, Plane, Kanboard, Leantime, Kan, OpenProject, Redmine, Taiga and 4 more are open source, according to their own sites.

Is Smartsheet open source?

Smartsheet is not described as open source on its own site. 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 5, 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 Smartsheet: the alternatives its listing names first, then the tools that share the most features with it.