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:

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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This simple extension adds an icon on the Drupal recent items block. Clicking on this icon clears the items.
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Backport of FontAwesome so it can be used in CiviCRM < 4.7. Useful if your extension uses fontawesome icons. http://fontawesome.io https://wiki.civicrm.org/confluence/display/CRMDOC/Icons ...
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Online Worldpay Payment Processor using API to generate tokens and authorise payment. Once installed just set-up the payment processor and this will be available for using in CiviCRM...
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This extension has been developed for the test purpose only....
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Integrates CiviCRM with Sharepoint
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Extended membership report with support of filtering/showing custom fields of Individual contact.
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This extension adds a new API to CiviCRM: Entity is FinancialItem, action is Get. You can also use the derived actions getsingle, getvalue, getcount etc....
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Provides functions to look up address meta-data from Postcodes.io: admin district, geolocation, and county.
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GoCardless Payment Processor for CiviCRM...
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This extension adds tokens for pronouns in Norsk to CiviCRM.
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This extension protects the use of a personal from address in the Send E-mail takas (after search). It does not protect the use of personal from address in CiviMail (Mass mailings)....
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