# Tools

AI and lifecycle email tools referenced by the community.

- [Brew](https://brew.new): AI-native email platform that generates on-brand campaigns from natural language and exposes REST plus MCP so agents can create, send, and automate.
- [Klaviyo](https://www.klaviyo.com): Ecommerce-first marketing platform with deep store data, revenue attribution, and mature flow builders for DTC and retail brands.
- [Mailchimp](https://mailchimp.com): Broad SMB suite covering campaigns, audiences, and basic automations with a large template gallery and familiar admin UX.
- [Customer.io](https://customer.io): Event-driven messaging platform built for product-led SaaS with strong segmentation and multi-channel journeys.
- [HubSpot](https://www.hubspot.com): CRM-centered marketing hub where email sits beside sales, CMS, and service tooling for teams standardized on HubSpot.
- [Braze](https://www.braze.com): Enterprise customer engagement platform for multi-channel messaging, orchestration, and personalization at scale.
- [Resend](https://resend.com): Developer-first email API with React Email, strong DX, and an official MCP server for agent control of sends and domains.
- [Loops](https://loops.so): Lifecycle email for SaaS with simple editors, event triggers, and predictable contact-based pricing for early-stage teams.
- [beehiiv](https://www.beehiiv.com): Newsletter-first platform with growth tools, referrals, and clean reading experiences for publishers and creators.
- [ConvertKit](https://kit.com): Creator-focused email marketing (Kit) with sequences, tagging, and commerce-friendly features for owned audiences.
- [ActiveCampaign](https://www.activecampaign.com): Marketing automation platform known for visual automations and CRM-lite contact management popular with SMBs and agencies.
- [SendGrid](https://sendgrid.com): Twilio SendGrid provides high-volume sending APIs, SMTP relay, and marketing campaigns for established infrastructure stacks.

**Canonical:** https://marketinginbox.co/tools