This plugin will help you to filter the main query by category and post type.

This plugin will help you to filter the RSS feed list by category and post type.

This plugin will help you to filter the search page results by category and post type.

This plugin can help you to include more post types to main query; filter what posts to show in the feed, home page and search page. You can filter by category and post type. Plugin uses pre_get_posts filter.

Get posts and data sanely with Quick Query.

Export your WordPress data in XML and JSON formats easily!

This plugin adds a widget to display a list of posts in the WordPress sidebar.

Display a custom query using a shortcode

Allows dynamic menu creation using WP_Query syntax

Simple Yearly Archive is a rather neat and simple Wordpress plugin that allows you to display your archives in a year-based list.

A lightweight plugin that wraps the functionality of WP_Query in an easy-to-use shortcode.

Facilitates injecting an array of posts into a WP query object as if queried. Particularly useful to allow use of standard template tags.