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New Grouper users should strongly consider installing Grouper using the InCommon Trusted Access Platform packaging approach with Docker.

To use the Grouper installer, see the "Grouper Installer" training video.

Here is a movie demonstrating the  Grouper upgrader, for Grouper 2.2.1 and above

Report Grouper Security Concerns here

View the Grouper Demo

View the Grouper demo  (if you have issues registering for the demo, click here for info)

Current Grouper release is v2.4.0

Read the Release Notes for Grouper 2.4

Release components

If you are new to Grouper and need to get started, download the installer and watch this video


New Features in Grouper 2.4.0

Most features in Grouper 2.4.0 are also in 2.3.0 patches.  The upgrade from 2.3.0 to 2.4.0 is a minor upgrade.

Migrate to new UI

Migrate all screens in Admin and Lite UI to the "New UI" and remove the admin and lite UI. Note, you can add the legacy UI if needed

DeprovisioningDeprovision access from someone to loses an affiliation or changes jobs
AttestationGroups and folders can be marked to require periodic membership review. Reminders will be emailed to group owners
Grouper deployment guideVersion 1 of the Grouper deployment guide is an introduction to Grouper and best practices for using it

New messaging strategies

Add new messaging strategies for ActiveMQ, AMQP (e.g. RabbitMQ), AWS
Grouper loader in UIUser interface to show loader configuration, diagnostics, logs, wizard editor
Subject API diagnosticsUser interface to analyze, diagnose, and recommend improvements for subject source configuration
Real time SQL loaderAllow a change log table (SQL triggers) or messages to trigger loader updates for a partial population or single user
InstrumentationImprove and standardize Grouper logging to provide centralized metrics at an institution and the ability to upload stats to a central Internet2 server
PackagingDocker containers that hold Grouper components for each deployment
GSH next generationImprove gsh by adding readline like capabilities (line editing, tab completions, history, etc)
Inbound messagesAllow Grouper to read a message queue and act on messages (e.g. membership changes etc)
vt-ldap to LdaptiveUpgrade from vt-ldap to Ldaptive
properties configConvert sources.xml and ehcache.xml to be cascaded properties files
Update 3rd party librariesUpdate 3rd party libraries to the latest version that is feasible

Grouper source code
is on GitHub.

Previous Grouper Versions

For previous Grouper versions, click the link for the desired version:

2.4.0: 2.4.0 
2.3.0: 2.3.0
2.2.2: 2.2.2
2.2.1: 2.2.1
2.2.0: 2.2.0
2.1:, 2.1.3, 2.1.2, 2.1.1, 2.1.0
2.0: 2.0.3, 2.0.2, 2.0.1, 2.0.0
1.7: 1.7.0
1.6: 1.6.3, 1.6.2, 1.6.1, 1.6.0

Email Subscriptions

As an open source project, support is provided by means of the Grouper documentation wiki and open mailing lists. Grouper implementers are urged and welcome to subscribe to the following email lists:

  • Grouper-Announce mailing list, for important annoucements around security and releases.
  • Grouper-Users mailing list, which is an open support forum for deployment issues.
  • Grouper-Developers mailing list, for those interested in discussion of development issues.

To subscribe , see instructions here


Grouper is licensed under the Apache 2.0 license. See for a copy of this license.

Development of this software was supported with funding from Internet2, the University of Chicago, University of Pennsylvania, Duke University, University of Washington, University of Memphis, University of Bristol (UK), the NSF Middleware Initiative (NSF 02-028, Grant No. OCI-0330626,  Grant No. OCI-0330626, OCI-0721896, and OCI-1032468), 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).

See Also

Grouper v.2.4 Release Notes

v2.4 Upgrade Instructions from v2.3

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