coopsymbiotic

Lets users enter a duration in hours, not just in minutes.

Ever had a custom field whose possible values depended on the values of another field?

Attaches ICS files to event confirmation emails.

Displays the contribution progress bar widget on contribution pages

Enable CiviDiscounts on contributions/payment pages.

Adds new settings to determine if a priceset field value should be displayed for one-time donations, recurring or both.

Import interface for more complex, programmatic imports (can be extended by other extensions).

On forms that allow the creation of a user, always use the email as the username (do not let users select their own username).

Provides membership new and renewal statistics based on CiviCRM historical data (so you can also generate membership reports for previous years).

Saves a copy of message templates on disk every time they are saved. Helps for doing diffs between versions.

Makes it possible to create CiviCRM activities using a profile.

Calculates the taxes based on the place of supply.

A timetracker extension for CiviCase.

Provides an interface to live-translate strings in Transifex, and also to export/import strings from various CiviCRM settings (contribution pages, events, etc).

Sends you a detailed email when a CiviCRM fatal error occurs.

Adds Open Graph Protocol (OGP) meta tags to some CiviCRM pages, which provides a better experience when sharing pages on social media.

Scheduled Job that routinely looks for duplicates (and merges them if there are no conflicts).

Provides an alternative visual to CiviCRM radio buttons. In itself, this extension does not do anything, but other extensions can call it, such as recurringbuttons.

Adds support to export search results and report results directly into the Excel xlsx format.