Email Marketing

Smartlead

Deliverability-first cold email infrastructure — unlimited mailboxes, smart rotation, and a powerful API.

Lemlist

Multichannel outreach with deep personalization — email, LinkedIn, and calls in one sequence.

Instantly

Cold email at scale — unlimited sending accounts, built-in warm-up, and a B2B lead database in one.

Userlist

Email automation built specifically for B2B SaaS, with company-level data.

Customer.io

Data-driven lifecycle messaging across email, push, in-app, and SMS.

Ghost

The open-source publishing platform — beautiful websites, newsletters, and paid subscriptions with 0% fees.

Kit

The creator marketing platform (formerly ConvertKit) — email, automations, and monetization built for creators.

Plunk

Open-source email platform — transactional sends, campaigns, and automations at $0.001 per email, self-hostable.

Loops

One email platform for SaaS — marketing, product, and transactional email in a single, Notion-like editor.

MailerSend

Transactional email service built for teams — send via API or SMTP with drag-and-drop templates and strong deliverability.

beehiiv

The newsletter platform built for growth — create, grow, and monetize your email audience without code.

Resend

The email API for developers — send transactional and marketing email that reaches inboxes, not spam folders.

Substack

The home for independent voices — publish a newsletter, podcast, or community and get paid by subscribers.

Email marketing that sells without the hassle — email and SMS with a generous free plan.

Emma

Email marketing built for your ecosystem — email, SMS, and automation with brand governance, by Marigold.

The autonomous B2C CRM — unify customer data and run AI-powered email, SMS, and service across channels.

AWeber

Connect, automate, and sell your vision — veteran small-business email marketing with a free plan.

Constant Contact

Email marketing and digital marketing platform for small businesses with easy-to-use templates and tools.

Mailchimp

Deal

The best-known email marketing platform — campaigns, automations, and a marketing CRM for small business.