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Grouper Infosheet (PDF)
Identity and Access Management Infosheet (PDF)

Part of NSF Middleware Initiative: NMI-EDIT

New! Grouper v1.3.0

Background
The Grouper Working Group is a result of the initial efforts of the MACE-Dir-Groups Working Group.

Grouper is an open source toolkit for managing groups. It is designed to function as the core element of a common infrastructure for managing group information across integrated applications and repositories. Grouper combines multiple sources of group information, both automated and manual, in managing memberships and other group information in a Group Registry, a central information asset complementary to a site's Person Registry.

Grouper manages two primary types of objects: groups and naming stems. Groups are created and named within a naming stem. Group management authority can be limited and delegated by naming stem or group, and naming stems may themselves be arranged in a hierarchy.

NEW! Grouper v1.3.0 is the latest version. Changes include:

New and experimental Web Services interface
Improved user interface
New utility for removing memberships for unresolvable subjects
Improvement to overall performance

For additional feature listings, tarballs, and documentation for previous releases, please see the Archives in the wiki.

If you'd like to get involved with the Grouper Working Group, please subscribe to the mailing lists.

NOTE WELL: All Internet2 Activities are governed by the Internet2 Intellectual Property Framework.

Working Group Chair
Tom Barton, University of Chicago

Working Group Flywheel
Steve Olshansky, Internet2

Grouper Software (Part of NSF Middleware Initiative: NMI-EDIT)
The newest production level of Grouper, v1.2.1, is available in the Software Download section of the Grouper Product Wiki.

Grouper Working Group Final Documents
Note: Grouper Draft & Archived Documents can be found in the Grouper Project Wiki. Product Documentation is also in the wiki.

For reference, see also the Internet2 Document Library. For more information on submitting draft documents, see the Internet2 Document Guidelines, then add your document to the Grouper wiki.

	Final Document Title	File Type	Author(s)	Home(s)	Date
4	LDAP Representations of Membership in Groups (aka eduMember)	html	Keith Hazelton	U. Wisconsin	5-Jul-2005
3	Group and Membership Practices	html	Keith Hazelton	U. Wisconsin	5-Jul-2005
2	Group Tools Architecture	html	Tom Barton	U. Chicago	6-Dec-2003
1	Practices in Directory Groups	html	Tom Barton	U. Memphis	Oct-2002

Related Documentation

Grouper Trademark Guidelines and Styleguide
Grouper License
Minutes of Internet2 Middleware Initiative User Interface Call: February 2, 2005

Minutes of Grouper Working Group Conference Calls
Additional handouts and relevent material for Working Group calls may be found here in the Project Wiki.

Development of this software was supported with funding from Internet2, the University of Chicago, the University of Bristol, the NSF Middleware Initiative (NSF 02-028, Grant No. OCI-0330626, OCI-0721896), and JISC. Any opinions, findings and conclusions or recommendations expressed in this material are those of the author(s) and do not necessarily reflect the views of the National Science Foundation (NSF).