- IgnitionDeck Crowdfunding
- Informizely
- Insightly
- Instagram Content Blocks
- Instamojo
- Instapage
- IntegralWP
- Integrations & App Directory
- Intellinote
- Interact
- involve.me
- Issuu
- Jane
- Jobber
- Join By Text
- Jotform
- Judge.me Product Reviews
- Justuno
- Keela
- KeeSaaS
- Kindful
- Klipfolio
- LaunchKit
- LeadBoxer
- Leadfeeder by Dealfront
- Leadpages
- LeadQuizzes
- LeadsBridge
- LearnWorlds
- Less Annoying CRM
- Lightspeed
- Lil Regie sync with Mailchimp
- Link Preview
- LinkShortener.io
- Linktree
- LiveAgent Help Desk Software
- LiveChat
- LiveIntent - Real-Time Advertising in Email
- Lytics
- Magic Members
- Mailchimp App For 3dcart
- Mailchimp App for Volusion
- Mailchimp for 3dcart (Official)
- Mailchimp for Ubercart
- Mailchimp Integration for Vtiger
- Mailchimp Module2
- Mailchimp Subscriber Chiclet for WordPress
- Mailchimp's HootSuite Integration
- Mailmunch Email List Builder
- MailOptin
- Make, formerly Integromat
- MakePlans | Appointment Booking & Scheduling
- Matcha
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- Meta leads
- Meta: Facebook & Instagram Posting
- Metrics Watch
- Miva
- Mixpanel
- Monday.com
- MoonClerk
- MotionMail
- MyPlace
- Neon CRM
- Nexternal eCommerce Platform Integration
- NiftyImages - Personalized and Dynamic Images
- Nuture LinkedIn leads with Mailchimp
- Nuvemshop
- ODBC Driver for Mailchimp
