If there’s one word that I would use to describe the WordPress community, it’s this: huge. It should come as no surprise, then, that there are plugins being released and updated every single day. Today, I have compiled a list of top 22 best and free wordpress integration plugins for your wordpress blogs.
While compiling this list, it’s always a possibility that I missed some other great resources. Feel free to share it with us. If you like this effort then don’t forget to take a look on other articles: Free WordPress Portfolio Themes, Metro Apps for Windows 8, Forums Plugins for WordPress and Newsletter Signup WordPress Widgets.
1. PilotPress
PilotPress allows you to have a website, membership site, customer center, and an affiliate center integrated together with Office Autopilot.

2. Integrator3
Take integration-on-demand to a whole new level with Integrator 3 – bringing together so much without sacrificing functionality and usability.

3. Pushover for WooCommerce
Pushover for WooCommerce integrates WooCommerce with the Pushover notifications app for Android and iOS.

4. ManageWP Worker
ManageWP Worker plugin allows you to remotely manage your WordPress sites from one dashboard.

5. Apptivo eCommerce
The Apptivo eCommerce plugin is part of our comprehensive tool set for online store administrators. The plugin allows you to easily create and organize your product database from directly within WordPress.

6. InfiniteWP Client
Install this plugin on unlimited sites and manage them all from a central dashboard. This plugin communicates with your InfiniteWP Admin Panel.

7. WP-Spreadplugin
This is a small WordPress plugin for displaying the articles of your Spreadshirt-Shop in WordPress. The plugin uses the Spreadshirt API to display and don’t uses iframes!

8. GlobalFeed
GlobalFeed is designed to take content from various networks and bring them together in the one place that matters most, your blog!

9. Magento WordPress Integration
Magento WordPress Integration is the easiest way to get blocks, sessions and products from your Magento store.

10. Simple Dropbox Upload
This plugin lets you insert an upload form on your pages or in a post so visitors can upload files to your Dropbox account.

11. SoundCloud Sound Competition
SoundCloud Sound Competition has been created to let you host your own remix competition without thinking about storage space, it’s all integrated with SoundCloud so that all remixes are stored there.

12. WHMCS Bridge
The WHMCS Bridge plugin integrates your WHMCS support and billing software into WordPress providing a seamless and consistent user experience to your customers.

13. Affiliates Jigoshop Integration Light
This plugin integrates Affiliates with Jigoshop. With this integration plugin, referrals are created automatically for your affiliates when sales are made.

14. Social
Brought to you by MailChimp, Social is a lightweight plugin that handles a lot of the heavy lifting of making your blog seamlessly integrate with social networking sites Twitter and Facebook.

15. Twitter Tools
Twitter Tools is a plugin that creates a complete integration between your WordPress blog and your Twitter account.

16. Dropbox Upload Form
This plugin lets you insert a upload form on your pages so visitors can upload files to a Dropbox account.

17. WP-United
WP-United glues together WordPress sites and phpBB forums. Get the full power of WordPress publishing and plugins, with the familiar and established community format of phpBB.

18. PiwigoPress
From any open API Piwigo gallery, swiftly include your photos in Posts/Pages and/or add randomized thumbnails and menus in your sidebar.

19. WP SIMILE Timeline
This plugin integrates the SIMILE Timeline into WordPress and provides an option interface for the various timeline settings.

20. GD Star Rating
Plugin allows you to set up advanced rating and review system for post types and comments in your blog using single, multi and thumbs ratings.

21. Network Shared Media
This plugin adds a new tab to the “Add Media” window, allowing you to access media in other blogs.

22. Instagrate to WordPress
Integrate your Instagram images and your WordPress blog with automatic posting of new images into blog posts.
