# WP Fusion > WP Fusion is a WordPress plugin that connects your WordPress site with CRMs and marketing automation platforms. It enables deep integration between WordPress plugins (membership, ecommerce, learning management, forms) and your CRM, allowing for automated tagging, field synchronization, and content personalization based on CRM data. WP Fusion serves as the bridge between over 100 WordPress plugins and 60+ CRMs/marketing automation platforms. It allows you to track user activity, restrict content based on CRM tags, sync user data bidirectionally, and trigger automations based on WordPress events. ## Core Documentation - [Getting Started Guide](https://wpfusion.com/documentation/getting-started/installation-guide/): Installation and basic setup instructions - [CRM Specific Installation Guides](https://wpfusion.com/documentation/installation-guides/how-to-connect-activecampaign-to-wordpress/): Installation instructions for specific CRMs (replace "activecampaign" with the CRM you're using) - [General Settings](https://wpfusion.com/documentation/getting-started/general-settings-and-setup/): Configuration options and global settings - [Working with Tags](https://wpfusion.com/documentation/getting-started/working-with-tags/): How to use CRM tags for automation and content restriction - [Syncing Contact Fields](https://wpfusion.com/documentation/getting-started/syncing-contact-fields/): Mapping WordPress user data to CRM fields - [Restricting Access](https://wpfusion.com/documentation/getting-started/access-control/): Content protection based on CRM tags - [Activity Tracking](https://wpfusion.com/documentation/getting-started/tracking-user-activity/): Monitoring and responding to user behavior - [Site Tracking Scripts](https://wpfusion.com/documentation/tutorials/site-tracking-scripts/): Adding tracking scripts to your site ## Developer Resources - [Developer Functions](https://wpfusion.com/documentation/functions/*): Core API functions for developers - [Filters Reference](https://wpfusion.com/documentation/filters/*): Available filter hooks for customization - [Actions Reference](https://wpfusion.com/documentation/actions/*): Action hooks for extending functionality - [Contributing Custom Integration Modules](https://wpfusion.com/documentation/advanced-developer-tutorials/contributing-integration-modules/): How to contribute custom integration modules to the WP Fusion repository - [Creating Custom CRM Modules](https://wpfusion.com/documentation/developer-tutorials/creating-custom-crm-modules/): Building integrations with new CRMs - [The WP Fusion CRM API](https://wpfusion.com/documentation/developer-tutorials/the-wp-fusion-crm-api/): Understanding the internal API architecture ## FAQ - [Changelog](https://wpfusion.com/documentation/faq/changelog/): Version history and updates - [CRM Compatibility](https://wpfusion.com/documentation/faq/crm-compatibility/): Which CRMs and CRM features are supported by WP Fusion - [How does licensing work?](https://wpfusion.com/documentation/faq/how-does-licensing-work/): Managing active sites, subdomains, license upgrades, licenses for staging sites - [Account](https://wpfusion.com/account/): Update payment method, download latest versions of the plugins, and manage active sites ## Plugin Integrations - [Membership Plugins](https://wpfusion.com/documentation/membership/*): Integrations with membership and user management plugins - [Ecommerce Plugins](https://wpfusion.com/documentation/ecommerce/*): Integrations with online store and payment plugins - [Learning Management](https://wpfusion.com/documentation/learning-management/*): Integrations with course and LMS plugins - [Forms and Lead Generation](https://wpfusion.com/documentation/lead-generation/*): Integrations with form builders and opt-in tools - [Page Builders](https://wpfusion.com/documentation/page-builders/*): Integrations with visual page builders ## Pro Addon Plugins - [Abandoned Cart Tracking Addon](https://wpfusion.com/documentation/abandoned-cart-tracking/abandoned-cart-overview/): Track abandoned carts and recover lost revenue - [Enhanced Ecommerce Addon](https://wpfusion.com/documentation/ecommerce-tracking/ecommerce-overview/): Sync ecommerce orders with your CRM - [Event Tracking Addon](https://wpfusion.com/documentation/event-tracking/event-tracking-overview/): Track user events and actions in supported CRMs - [Media Tools Addon](https://wpfusion.com/documentation/media-tools/media-tools-overview/): Track media file engagement via tags - [Logins Addon](https://wpfusion.com/documentation/logins/overview/): Track user logins in your CRM, redirect users after login based on tags, and tag users who haven't logged in for a specific period of time ## Tutorials and Guides - [Batch Operations](https://wpfusion.com/documentation/tutorials/batch-operations/): Exporting and processing data in bulk - [Auto Login](https://wpfusion.com/documentation/tutorials/auto-login/): Creating passwordless login experiences - [Lead Source Tracking](https://wpfusion.com/documentation/tutorials/lead-source-tracking/): Capturing and storing referral information - [Syncing Users Between Sites](https://wpfusion.com/documentation/tutorials/sync-users-between-sites/): Managing users across multiple WordPress installations ## Optional - [Blog Articles](https://wpfusion.com/blog/): Latest news, tutorials and case studies - [Changelog](https://wpfusion.com/documentation/faq/changelog/): Version history and updates - [FAQ](https://wpfusion.com/documentation/faq/): Frequently asked questions