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.

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The best GanttProject alternative for…

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

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.

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.

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.

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.

Best GanttProject alternative for self-hosting

OpenProject

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

Best GanttProject alternative for Mac

ProjectLibre

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

Best GanttProject alternative for Windows

ProjectLibre

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

Best GanttProject alternative for Linux

ProjectLibre

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

Best GanttProject alternative for iPhone and Android

GanttPRO

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

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.