Extensions are installable packages which give CiviCRM new functionality, and this directory provides a centralized list of extensions which the CiviCRM community has created.

Further resources:

A port of the Drupal 'civicrm_og_sync' module for WordPress that enables two-way synchronisation between BuddyPress Groups and CiviCRM....
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org.civicoop.eventprivateical...
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CiviCRM WordPress Member Sync keeps a WordPress user in sync with a CiviCRM membership by granting either a role or capabilities to a WordPress user who has that membership. This enables you to have, among other things, members-only content on your website that is only accessible to current members as defined by the membership types and status rules that you set up in CiviCRM....
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Extension to facilitate creation of membership, contribution, recurring and subscription records in a multi-step Wizard.
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This CiviCRM extension provides dashlets for atom feeds, because the native CiviCRM blog dashlet only supports rss. (I think.) For the moment it supports only one feed. But I want (at some point) to be able to support multiple feeds. More info on the github project page....
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This CiviCRM extension provides an API method that allows you to search for relationships that were active on a given date. I hope that this will be a temporary extension, and that this functionality will one day part of CiviCRM core....
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This is a small utility module I wrote because I needed to batch process a list of email address and mark the with the "on hold" status in CiviCRM. You paste in a list of emails and you can batch edit their "on hold" status. I also included the possibility to remove the "on hold" status....
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The "Style Guide" extension demonstrates common HTMTL/CSS styling conventions used within CiviCRM. It adds a new submenu, "Support => Developer => Style Guides" with a list of demo pages. For more information, see https://github.com/civicrm/org.civicrm.styleguide....
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Integrate Direct Debit payments using SmartDebit (https://www.smartdebit.co.uk/) with CiviCRM
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Grants access for event creators to view or edit their events' participants.
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This function takes a group of contacts, and splits it into several new smaller groups, each with some maximum number of contacts. The original group is left untouched....
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