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:

Provides several custom searches:   'Fancy Participant Search'  - This search can easily list just the participants who choose "session AAA"  from your priceset options and send them all an email or SMS/Text message.  ...
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A chatbot extension that integrates chat across a variety of platforms (currently Facebook and CiviCRM SMS are implemented) with CiviCRM.
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This extension adds a new url civicrm/a/#/email/unsubscribe with the screen in the screenshot. It is intended to assist in data entry for unsubscribe requests. From the screen find the emails you wish to unsubscribe:  ...
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This extension allows organisations to upload Just Giving Payments into CiviCRM. The end result is that the contributions and donors are all recorded within a single batch which can then be reonciled to the finance system. Installation Guide can be found here...
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Extension introduces the InvoiceAddress Get API, getting several invoice addresses for a contact based on valid relationships.
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CiviCRM natively supports one of three different map markers based on the contact type (Individual, Household, Organization). The Map Pins Extension allows you to replace those markers with custom markers of your own, based on configurable sets of rules depending on contact sub-type, group, tag, or other criteria.  ...
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If you theme is already based on boostrap, civisualize works fine out of the box. If you don't, enable this extension that will add the missing stylesheets so the default datavisualisations look better...
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Export Permission creates a permission for export - without this permission the export option is not available from the search actions menu.
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The Campaign Manager takes working with CiviCRM's campaigns to the next level. You'll love the new stats,KPIs, and hierarchies of campaigns.
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This is a simple CiviCRM report giving you a list of the upcoming birthdays of your contacts. Simply install the extension, create a new report, and use "Available for Dashboard" to give you the list upon login....
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This extension provides fieldset on new contact form for adding relationship(s).
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This CiviCRM extension adds some contribution related functionality that I find useful for our CiviCRM instance....
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When CiviCRM geocodes an address, the geocoding service generally returns much more information than CiviCRM uses. This extension allows site administrators to set a policy for what to do with that information on a field-by-field basis: discard it, fill in missing data, or overwrite existing data....
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The CiviMobileAPI extension (com.agiliway.civimobileapi) is a CiviCRM component that allows to use a mobile application CiviMobile.
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Integrates CiviCRM with Sharepoint
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