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Open Atrium vs SharePoint System Properties Comparison

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Our visitors often compare Open Atrium and SharePoint with Redmine, Nextcloud and OpenProject.

Editorial information provided by Project Management Zone
SystemsOpen Atriumformerly 8Trees  Xexclude from comparisonSharePoint  Xexclude from comparison
DescriptionOpen Atrium is an open source collaboration tool based on Drupal.SharePoint is a web application framework and collaboration platform.
CategoryProject Collaboration, ranked #55Project Collaboration, ranked #1
DeveloperPhase2 TechnologyMicrosoft
Websiteopenatrium.comproducts.office.com/­en-us/­sharepoint
Technical documentationdocs.openatrium.commsdn.microsoft.com/­en-us/­library/­office/­dn833469.aspx
Social network pages
Twitter4,007followers
Facebook86,554likes
LinkedIn57,482followers
Twitter201,282followers
Initial release20092001
LicenseOpen SourceGPL 2Commercial
Web-based service (SaaS)Software-as-a-Service modelSharePoint Online
Web-based architectureyesyes
Programming languagePHP
Operating systemsLinux
OS X
Unix
Windows
Windows
Mobile appsnoAndroidnumerous 3rd-party apps
iOSnumerous 3rd-party apps
Windows Phonenumerous 3rd-party apps
APIApplication Programming Interfaceyesyesseveral sets of APIs, including object models and REST web service.
Multi-useryesyes
User rolesyesyes
Authentication mechanismPassword
LDAPLightweight Directory Access Protocol
OpenID
Password
Active Directory
NotificationsEmailEmail
Mobile push
RSS feeds
Project Collaboration Properties
Project wikiyesyesSharePoint pages
Discussion forumyesyes
Online chatnoyes
Audio conferencingnonoavailable via Microsoft Lync and other products
Video conferencingnonoavailable via Microsoft Lync and other products
Screen sharingnoyes
Calendar sharingyesyes
Contact sharingnoyes
Document sharingyesyes
File versioningnoyes
More Resources
Open AtriumSharePoint
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