MailerSend

Intuitive email API and SMTP

Duuce

Buy and Sell Newsletters

Paddle

The complete payments solution

Elastic Email

The most affordable email delivery service

FirstPromoter

Affiliate and referral tracking for SaaS

Sender

Email marketing software

PostHog

How developers build successful products

Simple Analytics

Privacy-first Google Analytics alternative

Moosend

Email Marketing for Thriving Businesses

MailerCheck

Verify Your Email List

SparkPost

A developer-centric email delivery service

Keap

Small Business CRM & Automation

Emma

Multi-channel marketing that works for you

Postmark

The email service that people actually like

The Newsletter Club

Growth through collaborations

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