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hub · marketing

Marketing and lifecycle email

Platforms for behavior-triggered, lifecycle, and broadcast email. Workflows, segments, audience modeling, and analytics. Picked for SaaS, ecommerce, and product teams that need more than transactional sends.

Lifecycle, broadcast, and behavior-triggered email platforms.

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Directory (16)

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SendGrid

Transactional Marketing

Twilio-owned veteran with broad SDK coverage.

free tier
60-day free trial only (permanent free tier was removed May 2025)
starts at
$19.95/mo for 50,000 emails

Loops

Marketing Transactional

Modern lifecycle and broadcast email for SaaS.

free tier
1,000 contacts and 4,000 sends/mo on the Free plan
starts at
$49/mo for 5,000 contacts

Brevo

Transactional Marketing

All-in-one with a generous daily free tier.

free tier
300/day permanent
starts at
$9/mo for 5,000 emails

Mailjet

Transactional Marketing

European-focused, GDPR-friendly all-in-one.

free tier
6,000/mo (200/day cap) permanent
starts at
$17/mo for 15,000 emails

Elastic Email

Transactional Marketing

Low-cost email API and SMTP relay with marketing features nearby.

free tier
$0/mo test plan with limited sending only to yourself
starts at
$19/mo for Email API up to 50,000 emails/mo

SendPulse

Transactional Marketing

Marketing suite with a generous transactional SMTP tier.

free tier
12,000 transactional emails/mo on SMTP Basic, 50 messages/hour
starts at
$15 pay-as-you-go for 10,000 emails, or $74.85/mo monthly for Pro 100,000

Customer.io

Marketing Transactional

Behavior-driven lifecycle messaging.

free tier
No permanent free tier; trial only
starts at
$100/mo (Essentials)

Encharge

Marketing

SaaS-focused marketing automation with behavior-based flows.

free tier
14-day free trial
starts at
$99/mo monthly for Growth up to 2,000 subscribers, or $79/mo billed yearly

Userlist

Marketing

SaaS lifecycle email with account-level data.

free tier
14-day free trial, card required
starts at
Dynamic slider pricing; Basic includes 10,000 users and $10/mo per additional 1,000 users

Drip

Marketing

Ecommerce marketing automation with behavior-based segmentation.

free tier
14-day free trial, no credit card required
starts at
$39/mo for 1 to 2,500 people

ActiveCampaign

Marketing

Broad marketing automation and CRM for growing businesses.

free tier
14-day free trial, no credit card required
starts at
Public pricing page uses a calculator; no static paid start exposed to crawler

Sender

Marketing

Budget-friendly email marketing with a generous free plan.

free tier
Free forever for 2,500 subscribers and 15,000 emails/mo
starts at
Paid plans start at the 1,000-subscriber tier; exact price is shown in the account slider

Klaviyo

Marketing

Ecommerce-focused marketing automation.

free tier
500 emails to 250 contacts
starts at
$45/mo for 5,000 emails

Mailchimp / Mandrill

Marketing Transactional

Legacy marketing giant, transactional via Mandrill.

free tier
500 contacts, 1,000 sends/month
starts at
$13/mo Essentials

Kit

Newsletter Marketing

Creator-focused newsletter platform (formerly ConvertKit).

free tier
10,000 subscribers, broadcasts only
starts at
$15/mo for 1,000 subscribers (Creator)

Plunk

Self-hosted Marketing

Open-source unified email platform.

free tier
3,000/mo on hosted free plan
starts at
$19/mo or self-host

reading this as developers picking email infrastructure

The question here is which one a backend engineer would rather operate. That means SDK depth in the language already in use, whether a retry can safely be replayed, how much the event log tells you when a customer says the email never arrived, and whether the pricing curve stays sane as volume grows.

Applied to marketing and lifecycle email, that means weighing developer experience, SDK breadth, idempotency keys, and operating track record ahead of the rest, against password resets, receipts, and magic links shipped from application code.