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OpenProject vs Redmine vs Zimbra System Properties Comparison

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Editorial information provided by Project Management Zone
SystemsOpenProject  Xexclude from comparisonRedmine  Xexclude from comparisonZimbra  Xexclude from comparison
DescriptionOpen source, web-based project management system. OpenProject is a fork of ChiliProject, which in turn is a fork of Redmine.Open source, web-based project management and issue tracking tool.The Zimbra Collaboration Suite (ZCS) is a collaborative software suite.
CategoryProject Planning, ranked #80
Issue Management, ranked #28
Project Collaboration, ranked #62
Project Planning, ranked #11
Issue Management, ranked #4
Project Collaboration, ranked #13
Project Collaboration, ranked #14
DeveloperOpenProject FoundationSynacororiginally Zimbra, then Yahoo, VMware and Telligent Systems
Websiteopenproject.orgredmine.orgzimbra.com
Technical documentationopenproject.org/­help/­user-guidesredmine.org/­projects/­redmine/­wiki/­Guidezimbra.com/­documentation
Social network pages
Twitter4,879followers
Facebook1,864likes
Facebook17,925likes
Google+2,343followers
LinkedIn11,422followers
Twitter10,773followers
Initial release201220062005
LicenseOpen SourceGPL 3Open SourceGPL 2Open SourceCPALv1
CommercialNetwork Edition
Web-based architectureyesyesyesdesktop client for Windows, OS X and Linux is also available
Programming languageRubyRuby on RailsRubyRuby on RailsJava
Operating systemsLinux
OS X
Windows
Linux
OS X
Unix
Windows
Linux
Mobile appsnoAndroid
iOS
Windows Phone
Android
BlackBerry
iOS
Windows Phone
APIyesRESTyesRESTyesREST and SOAP
Multi-useryesyesyes
User rolesyesyesyes
Authentication mechanismPassword
LDAP
Password
LDAP
Password
LDAP
SAML
Active Directory
Google sign-on
OneLogin
NotificationsEmail
RSS feeds
Email
RSS feeds
Desktop push
Email
Mobile push
SMS
Project Planning Properties
Hierarchical tasksSupport for parent-child relationships of tasksyesyes
Recurring tasksSupport for definition of tasks that occur repeatedlynoyesavailable via 3rd-party plugins
Milestone trackingMilestones indicate the completion of major deliverables, normally by completing a set of tasksyesno
Task dependenciesDependencies between tasks are logical relationships that restrict the sequence of task executions, e.g. one task must be completed before another task can startnono
Critical path managementThe critical path method calculates the set of tasks that cannot be delayed without increasing the project's duration, taking into account task dependenciesnono
Critical chain managementThe critical chain method expands the critical path method by additionally taking resource constraints into accountnono
Gantt chartsBar chart to visualize a project's tasks and milestones scheduleyesyes
PERT chartsNetwork diagrams according to Program Evaluation Review Techniquenono
BaselinesSupport for creating and using snapshots of a project's plan in terms of cost, scope and schedule nono
Resource managementSupport for managing a project's human and/or non-human resourcesnono
Resource levelingSupport for optimizing the allocation of a project's resourcesnono
Time trackingSupport for estimating and monitoring the time spent on a project's tasksyesyes
Cost trackingSupport for monitoring a project's expensesyesno
Earned value managementSupport for tracking a project's performance and progress via earned value measurementsnono
Risk managementSupport for identifying and keeping track of project risks and risk-related activitiesnoyesavailable via 3rd-party plugins
Scrum supportSupport for typical Scrum techniques such as sprints, backlogs and burn-down chartsyesno
Kanban supportSupport for typical Kanban techniques such as visualization of tasks on boards using cardsnono
Project portfolio management Support for collectively managing a set of current or proposed projects, e.g. by evaluation and prioritization of projectsnono
Issue Management Properties
Hierarchical issuesyesyes
Custom fieldsyesyes
Custom workflowsyesyes
Project Collaboration Properties
Project wikiyesyesno
Discussion forumyesyesno
Online chatnonoyesavailable via 3rd-party add-ons
Audio conferencingnonoyesavailable via 3rd-party add-ons
Video conferencingnonoyesavailable via 3rd-party add-ons
Screen sharingnonoyesavailable via 3rd-party add-ons
Calendar sharingnonoyes
Contact sharingnonoyes
Document sharingyesyesyes
File versioningyesnoyes
More Resources
OpenProjectRedmineZimbra
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