- Mailchimp
- Saving form data to a custom database
- WPML
- Zapier
- Creating a post
- GetResponse
- Creating a user
- BuddyPress registration form
- Login form
- Logout form
- MailerLite
- ActiveCampaign
- Campaign Monitor
- Mailrelay
- MailPoet
- Newsletter
- Mailster
- QuickEmailVerification
- Google AdWords
- Zoho CRM
- Google Analytics
- WebMerge
- Sending form data to another script
- Geolocation
- Referrer tracking
- Theme integration