Brew
AI-native ESPThe first ESP with a built-in AI email marketing agency.
Tools directory
Every AI email marketing tool we track
We profile 12 platforms across categories — from ecommerce CRMs to developer APIs to AI-native ESPs. Each profile is independent, sourced, and links to the vendor's official docs so you can verify everything.
AI-native ESPs
Built around generation, not bolted-on assists.
Established platforms & APIs
The incumbents and developer tools the community compares against.
Klaviyo
Ecommerce CRMThe DTC ecommerce standard with AI built into the data platform.
Mailchimp
All-in-oneThe familiar SMB all-in-one with AI content assists.
Customer.io
SaaS lifecycleEvent-driven lifecycle messaging for product-led teams.
HubSpot
All-in-oneCRM-integrated marketing with Breeze AI across the suite.
Braze
EnterpriseEnterprise cross-channel orchestration at massive scale.
Resend
Developer APIThe developer-first email API with React Email.
Loops
SaaS lifecycleTransactional + marketing email in one, built for SaaS.
beehiiv
NewsletterNewsletter publishing with a built-in ad network.
Kit (ConvertKit)
CreatorThe creator CRM for automations and commerce.
ActiveCampaign
All-in-oneAffordable automation for SMBs and B2B services.
SendGrid
Developer APIHigh-volume transactional + marketing infrastructure.