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GanttProject vs OpenProject System Properties Comparison

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Our visitors often compare GanttProject and OpenProject with ProjectLibre, Microsoft Project and LibrePlan.

Editorial information provided by Project Management Zone
SystemsGanttProject  Xexclude from comparisonOpenProject  Xexclude from comparison
DescriptionGanttProject is a Java-based project planning tool.Open source, web-based project management system. OpenProject is a fork of ChiliProject, which in turn is a fork of Redmine.
CategoryProject PlanningProject Planning
Issue Management
Project Collaboration
Project Management Zone Rankinginfomeasures the popularity of Project Management SystemsScore 10.12
Rank #71
Score 8.98
Rank #82
DeveloperDmitry Barashev and othersOpenProject Foundation
Websiteganttproject.bizopenproject.org
Technical documentationdocs.openproject.org
Social network pages
Facebook1,130followers
Twitter690followers
Twitter5,275followers
Initial release20032012
LicenseOpen SourceinfoGPL 3Open SourceinfoGPL 3
Web-based architecturenoyes
Programming languageJavaRubyinfoRuby on Rails
Operating systemsLinux
OS X
Windows
Linux
OS X
Windows
Mobile appsnono
APIinfoApplication Programming Interfaceyesinfo3rd-party toolyesinfoREST
Multi-usernoyes
Authentication mechanismPassword
LDAPinfoLightweight Directory Access Protocol
NotificationsnoEmail
RSS feeds
Project Planning Properties
Hierarchical tasksinfoSupport for parent-child relationships of tasksyesyes
Recurring tasksinfoSupport for definition of tasks that occur repeatedlynono
Milestone trackinginfoMilestones indicate the completion of major deliverables, normally by completing a set of tasksyesyes
Task dependenciesinfoDependencies between tasks are logical relationships that restrict the sequence of task executions, e.g. one task must be completed before another task can startyesno
Critical path managementinfoThe critical path method calculates the set of tasks that cannot be delayed without increasing the project's duration, taking into account task dependenciesyesno
Critical chain managementinfoThe critical chain method expands the critical path method by additionally taking resource constraints into accountnono
Gantt chartsinfoBar chart to visualize a project's tasks and milestones scheduleyesyes
PERT chartsinfoNetwork diagrams according to Program Evaluation Review Techniqueyesno
BaselinesinfoSupport for creating and using snapshots of a project's plan in terms of cost, scope and schedule yesno
Resource managementinfoSupport for managing a project's human and/or non-human resourcesyesno
Resource levelinginfoSupport for optimizing the allocation of a project's resourcesnono
Time trackinginfoSupport for estimating and monitoring the time spent on a project's tasksnoyes
Cost trackinginfoSupport for monitoring a project's expensesyesyes
Earned value managementinfoSupport for tracking a project's performance and progress via earned value measurementsnono
Risk managementinfoSupport for identifying and keeping track of project risks and risk-related activitiesnono
Scrum supportinfoSupport for typical Scrum techniques such as sprints, backlogs and burn-down chartsnoyes
Kanban supportinfoSupport for typical Kanban techniques such as visualization of tasks on boards using cardsnono
Project portfolio management infoSupport for collectively managing a set of current or proposed projects, e.g. by evaluation and prioritization of projectsnono
Issue Management Properties
Hierarchical issuesyes
Custom fieldsyes
Custom workflowsyes
Project Collaboration Properties
Project wikiyes
Discussion forumyes
Online chatno
Audio conferencingno
Video conferencingno
Screen sharingno
Calendar sharingno
Contact sharingno
Document sharingyes
File versioningyes

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More Resources
GanttProjectOpenProject
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