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GanttProject alternatives: 4 apps ranked by verified data

Facts checked Oct 29, 2026AppBreakup editorialHow we rank

Common reasons people leave GanttProject: no real-time collaboration on the same plan, and lacks enterprise features like portfolio management or earned value. We ranked 4 alternatives by how directly each one replaces GanttProject, then by reviews, real visits and how recently each app's facts were checked against its own website. ProjectLibre currently ranks first.

Quick comparison

#AppPricingOpen sourcePlatformsVerified factsScore
1ProjectLibre logoProjectLibreFree plan + paidYesWeb, Windows, macOS +15 of 566.5
  1. ProjectLibre logo

    1. ProjectLibreTop pick

    Best for: Project managers moving off Microsoft Project who want critical-path scheduling without the license cost

    Free plan + paidOpen sourceWeb, Windows, macOS, Linux

    66.5

    score / 100

    Why switch from GanttProject

    Also free on the desktop and opens MPP files, with more advanced scheduling and an optional cloud edition.

    Pros

    • Opens Microsoft Project .mpp files without rebuilding plans
    • Full CPM scheduling: critical path, baselines, earned value
    • Free desktop app runs on Windows, macOS and Linux
    • Cloud edition adds resource leveling and Monte Carlo risk analysis

    Cons

    • Desktop app is single-user, with no built-in collaboration
    • Collaboration and AI features need the paid cloud subscription
    • Interface is dense and assumes formal project-management knowledge
    Visit ProjectLibre Details and reviews
    How this score is calculated
    Editorial fit ×0.3100
    Reviews ×0.363
    Clicks (90 days) ×0.150
    Freshness ×0.1585
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is ProjectLibre a good GanttProject alternative?

    Verified facts

    5 of 5 verified
    Starting price
    $9.99 per user/month (billed annually)
    Checked Oct 29, 2026projectlibre.com(opens source in a new tab)
    Microsoft Project import
    .MPP and .XER files
    Checked Oct 29, 2026projectlibre.com(opens source in a new tab)
    Free desktop app
    Yes
    Checked Oct 29, 2026projectlibre.com(opens source in a new tab)
    Risk analysis
    Monte Carlo
    Checked Oct 29, 2026projectlibre.com(opens source in a new tab)
    Languages
    54
    Checked Oct 29, 2026projectlibre.com(opens source in a new tab)

The best GanttProject alternative for…

The highest-ranked app in this list for each need.

ProjectLibre logo

Best GanttProject alternative for most people

ProjectLibre

Also free on the desktop and opens MPP files, with more advanced scheduling and an optional cloud edition.

OpenProject logo

Best GanttProject alternative for a free option

OpenProject

Open-source web app that can be self-hosted, so a whole team can edit plans together.

TeamGantt logo

Best GanttProject alternative for a free plan you can upgrade

TeamGantt

Hosted Gantt charts with sharing and comments, for teams that outgrow a single desktop file.

ProjectLibre logo

Best GanttProject alternative for open source

ProjectLibre

Also free on the desktop and opens MPP files, with more advanced scheduling and an optional cloud edition.

OpenProject logo

Best GanttProject alternative for self-hosting

OpenProject

Open-source web app that can be self-hosted, so a whole team can edit plans together.

ProjectLibre logo

Best GanttProject alternative for Mac

ProjectLibre

Also free on the desktop and opens MPP files, with more advanced scheduling and an optional cloud edition.

ProjectLibre logo

Best GanttProject alternative for Windows

ProjectLibre

Also free on the desktop and opens MPP files, with more advanced scheduling and an optional cloud edition.

ProjectLibre logo

Best GanttProject alternative for Linux

ProjectLibre

Also free on the desktop and opens MPP files, with more advanced scheduling and an optional cloud edition.

GanttPRO logo

Best GanttProject alternative for iPhone and Android

GanttPRO

Browser-based Gantt planning with team workload views and templates.

ProjectLibre logo

Best GanttProject alternative for working in the browser

ProjectLibre

Also free on the desktop and opens MPP files, with more advanced scheduling and an optional cloud edition.

GanttProject alternatives: common questions

What is the best alternative to GanttProject?

ProjectLibre ranks first right now. Also free on the desktop and opens MPP files, with more advanced scheduling and an optional cloud edition. OpenProject and TeamGantt follow it in our ranking.

Is there a free alternative to GanttProject?

Yes. ProjectLibre (free plan + paid), OpenProject (open source) and TeamGantt (free plan + paid) have a free option. Check each app's verified facts for current plan limits.

Is there an open-source alternative to GanttProject?

Yes: ProjectLibre and OpenProject. OpenProject can also be self-hosted.

Which GanttProject alternatives work on Linux?

ProjectLibre runs on Linux.

Why do people switch from GanttProject?

The complaints we hear most: no real-time collaboration on the same plan; lacks enterprise features like portfolio management or earned value; no web or mobile version.

How is this list ranked?

Every app is scored with the same published formula: how directly it replaces GanttProject, reviews (weighted by verification), visits from AppBreakup, how recently its facts were checked against its own website, and reader votes.