Best Free Online Gantt Chart Tools in 2026

1. TeamGantt

TeamGantt is one of the oldest dedicated Gantt tools and the one most people find first when searching for free options. The free tier gives you one project with up to three users and a functional drag-and-drop Gantt interface.

The product is polished and genuinely easy to use. Dependencies, milestones, and task assignments all work on the free plan. Where it falls short is scale: one project is a real constraint for any team juggling multiple workstreams.

Best for solo projects or small teams evaluating Gantt tools before committing to a paid plan.

2. GanttProject

GanttProject is a free, open-source desktop application for Gantt charts. It runs on Windows, Mac, and Linux and does not require an account or subscription. There is no seat cap because it runs locally.

The tradeoff is that it is a desktop app, not a web tool. Collaboration means exporting and sharing files manually. If you are working solo or need a simple offline Gantt tool, it gets the job done at zero cost. For team work, the friction adds up quickly.

Best for individual project managers who need a free offline Gantt tool without internet dependency.

3. Instagantt

Instagantt is a Gantt-focused interface built on top of Asana. The free tier lets you connect up to three Asana projects and view them as Gantt charts. The chart itself is clean and well-designed.

The catch is that you need an Asana account and your data lives in Asana, not Instagantt. If your team is not already using Asana, you are signing up for two tools to get one feature. For existing Asana users who just want a Gantt view, it fills a genuine gap.

Best for teams already using Asana's free tier who need a proper Gantt view without upgrading to Asana Premium.

4. Zoho Projects

Zoho Projects' free tier allows up to two projects and three users, with Gantt charts included. It is a full-featured project management tool, not just a Gantt viewer, so you also get task boards, file storage, and basic reporting.

The free tier is more complete than TeamGantt's for users who want Gantt alongside task management in one place. The limitation is the two-project cap, which becomes a constraint for teams running multiple client projects or workstreams simultaneously.

Best for small teams or freelancers who need Gantt plus basic project management tools for one or two active projects.

5. Wrike

Wrike's free tier supports unlimited users and covers task management, board views, and basic project structure. However, Gantt charts are not available on the free plan — they require a paid Business or Enterprise tier.

Wrike is on this list because it frequently appears in free Gantt chart searches, and clarifying the actual situation saves time. If you need Gantt on the free plan, Wrike is not the right choice.

Best for teams that need a free task management tool and plan to upgrade later for Gantt access. Not suitable if Gantt is a current requirement.

Why Worklenz is the best free Gantt chart option

Most free Gantt tools make you choose between usable limits and real features. TeamGantt gives you a good Gantt but caps you at one project. Zoho Projects gives you two projects. GanttProject gives you unlimited local projects but no collaboration. Worklenz gives you Gantt charts as part of a full project management tool with no seat cap, up to three active projects on the free cloud tier, and the ability to self-host for unlimited projects at no cost.

Free Gantt chart tools at a glance

Which tool should you use?

If you need a Gantt chart for one project and want the simplest possible setup, TeamGantt's free tier works well. The interface is clean and it gets you running quickly. The one-project cap becomes a problem if you are managing more than a single workstream.

If you are already on Asana and just want a Gantt view, Instagantt bridges that gap without migrating your data. For teams not on Asana, the two-tool setup is more friction than it is worth.

If you need Gantt as part of a full project management setup — with time tracking, team workload visibility, and sprint planning — Worklenz is the option that covers all of it on the free tier without forcing you to piece together multiple tools. The three-project limit on the cloud free tier is the main constraint. Self-hosting removes it entirely.