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TaskJuggler - Project Management beyond Gantt chart drawing
Ruby JavaScript
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About TaskJuggler III

TaskJuggler is a modern and powerful, Free and Open Source Software project management tool. Its new approach to project planing and tracking is more flexible and superior to the commonly used Gantt chart editing tools.

TaskJuggler is project management software for serious project managers. It covers the complete spectrum of project management tasks from the first idea to the completion of the project. It assists you during project scoping, resource assignment, cost and revenue planing, risk and communication management.

TaskJuggler provides an optimizing scheduler that computes your project time lines and resource assignments based on the project outline and the constraints that you have provided. The built-in resource balancer and consistency checker offload you from having to worry about irrelevant details and ring the alarm if the project gets out of hand. The flexible as-many-details-as-necessary approach allows you to plan your project as you go, making it also ideal for new management strategies such as Extreme Programming and Agile Project Management.

If you are about to build a skyscraper or just want to put together the release schedule of your open source project, TaskJuggler is the right tool for you. If you just want to draw nice looking Gantt charts to impress your boss or your investors, TaskJuggler might not be right for you. You can of course create nice looking Gantt charts. But it takes a little more effort to master its power. If you are up for this, TaskJuggler will become a companion that you don't want to miss anymore.

TaskJuggler is written in Ruby and should be easily installable and usable on all popular operating systems. It may sound surprising at first, but this software does not need a graphical user interface. A command shell, a plain text editor (no word processor!) and a web browser is all you need for your work.

TaskJuggler has not yet been released as a stable version. The primary reason is that we don't want to freeze the syntax before it has been used by a larger audience. By now, changes should be small, but we cannot yet rule out minor compatibility issues when upgrading to a newer version. We also have a fairly small test suite. It's quite possible, that you will run into a bug or two. Please report it into our issue tracker.

Features and Highlights

  • Manages tasks, resources and accounts of your project

  • Automatic resource leveling and tasks conflict resolution

  • Comprehensive and flexible reports so you can find the information you need when you need it

  • Project tracking and status reporting with dashboard support

  • Time and status sheet reporting infrastructure

  • Unlimited number of scenarios (baselines) of the same project for what-if analysis

  • Projects can be combined to larger projects

  • Multiple project managers can work on the same project

  • Flexible working hours and vacation handling

  • Support for shift working

  • Multiple time zone support

  • Tasks may have initial costs, finishing costs

  • Resources may have running costs

  • Support for profit/loss analysis

  • HTML reports for Web publishing

  • CSV data export for data exchange productivity suites

  • iCalendar export for data exchange with calendar applications

  • Built-in web server for dynamic and interactive reports

  • Powerful project description syntax with macro support

  • Support for central resource allocation database

  • Scales well on multi-core or multi-CPU systems

  • Full integration with Vim text editor

  • Runs on all Linux, Unix, Windows, MacOS and several other operating systems

  • Simple installation


Installation instructions can be found here.

Introduction and Tutorial

To learn more about how to use TaskJuggler please see the user manual. It also contains a tutorial to get you started. It will tell you how to generate HTML reports like these from such a project description.

Getting Help and reporting Bugs

There are several mailing list for TaskJuggler users and developers. Please see this page for details. If you have a question about TaskJuggler usage, the user list is the best place to go. Please remain subscribed and help other users when you get more proficient in TaskJuggler.

If you think that you have found a bug in the software, please the the bug reporting guidelines.

Copyright and License

TaskJuggler is © 2006, 2007, 2008, 2009, 2010, 2011 by Chris Schlaeger <>

This program is free software; you can redistribute it and/or modify it under the terms of version 2 of the GNU General Public License as published by the Free Software Foundation. You accept the terms of this license by distributing or using this software.

TaskJuggler is a trademark of Chris Schlaeger.

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