Microsoft Outlook vs Zoho Campaigns

Gmail

Online e-mail service from Google

Zoho Mail

A webmail service with minimalist interface for your organization

Protonmail

An end-to-end encrypted email service

Yandex Mail

Free and reliable email for personal and business use from Yandex

Spike

The first collaborative email platform

GetResponse

A platform for email marketing and beyond

Mailchimp

Email and marketing platform targeted for small Business

AWeber

Email marketing platform for small business

MailerLite

Email marketing campaigns platform with features like automation, landing pages and surveys

SendPulse

A powerful suite of tools for multi-channel marketing