Top Constant Contact Alternatives & Competitors in 2026

SendGrid is an enterprise-grade email marketing software that gives businesses the option to integrate and control email marketing locally on their apps, and to design hyper-engaging email marketing campaigns on its cloud-based platform.

Brevo (formerly Sendinblue) is an all-in-one digital marketing software designed to empower businesses with tools like email marketing, SMS campaigns, marketing automation, and CRM functionalities. Its intuitive drag-and-drop editor and over 60 customizable templates simplify campaign creation, saving time and resources. Brevo also provides survey functionalities that can be used for customer feedback and adapted for employee feedback collection. With its affordability and scalability, Brevo delivers significant value to businesses of all sizes, enhancing customer engagement while supporting internal communication and growth strategies. In this Brevo review, I'll look at the features, performance, customer service, and the Brevo pricing plans.

GetResponse is an email marketing software that’s highly intuitive. It empowers you to run effective marketing campaigns with access to landing pages, email conversion funnels, website builders, marketing automation, and webinars that strengthen your customer relationship.

Benchmark helps small and mid-sized businesses convert more sales by providing access to AI, landing pages, automation, e-commerce tools, and dozens of automations to supercharge email marketing campaigns. With almost 2 dozen email templates, users need zero technical knowledge to get things done.

Klaviyo is a specialized email and SMS marketing platform built strictly for online stores. Unlike general email tools that just send newsletters, Klaviyo connects directly to your store's checkout data to help you sell more.