Popular tracks views of your single entry pages an records useful information that can be used for analytics and for outputting trending or most viewed articles in your templates. Popular can tell your users what the most popular entries trending today on Mobile, or what was most viewed last month in Seattle.
Post Block allows you to block POST or GET requests to your pages which do not match the conditions you specify. This can be an extra help in preventing spam and working around limitations of older add-ons.
Post Affiliate Pro integration
Replaces system emails with Postmark, rather then using SMTP or PHPMail. Simply enter your postmark API credentials and start sending reliable emails! Future release may include queue system / CRON feature. Requires EE 2.5.0 + (uses hook: email_send)
The Postponed extension will automatically record your ping- and trackback-jobs when you post a future entry and will postpone them until the entry goes live. Once the time has come it will notify any pingservers you selected and any trackback URLs you entered.
Preparse makes it possible to parse data directly in an entry, rather than at the template level, saving processing resources.
Allows you to designate one of your EE categories as a primary one for that entry, and then pull the primary category variables like all native EE category variables.
ProForm: Publisher is a simple extension to add support for multiple languages to ProForm through the multilingual Publisher add-on.
Project Cerberus is an antispam webservice specifically targeting ExpressionEngine member profile spam.
Protect certain entries or whole channels (with entries) for deletion.
Proxy is an EE2.0 Module used to substitue template tags with placeholder data, in order to more efficiently and effectively test your templates.
Before Proxy, I was creating a plethora of test entires to test various types of content that could be used in a Channel Field. The process of creating all these dummy entries was time consuming, confusing, and led to me not testing as rigarously as I should have been. Proxy was created to speed up the testing of templates, by allowing the developer to quicky swap in placeholder tag data when the template renders.
This extension adds PSiGate as an available payment gateway in Expresso Store 2.1+.
Streamlines publishing by adding a subtle overlay bar at the bottom of the ExpressionEngine entry editing screen, freeing you from having to scroll to the top of the page to save your changes.
Creates a floating submit button stops one from scrolling back to top of page when filling out long publish forms.
Reverts Publish/Edit page form back to EE 1.2.1 version without tabs
Publish Prefixes lets you tame large/unweildy publish and edit menus by grouping channels by using prefixes in your channel names.
Publish Tweeks alters the publish/edit page to streamline it for your users. It removes the "Quick Save" and "Preview" buttons when publishing. It also cancels the redirect to the preview after saving and keeps the user on the edit screen.
Publishers Clearinghouse hides weblogs from the Publish menu. It also allows weblogs to be hidden for specific member groups.
If you are logged in as a Super Admin, a small tab appears at the top left which opens a pane with 6 tables of data: Weblogs, Member Groups, Categories, Weblog Fields, Admin Quicklinks and Weblog Entries
Purge is an extension for that sends a purge request to the Varnish caching proxy upon entry submission/deletion. This allows you to keep objects in the cache longer while still being able to keep your site up-to-date.