- Free open source alternatives of paid software.
Paid software
Free open source alternative app list about topic "email marketing campaigns send" :
ConvertKit
Connect with your fans, foster your community, and earn a living online with the only marketing platform built for creators, by creators.
Freemium
Windows
macOS
Linux
SendGrid
SendGrid Email API and Email Marketing Campaigns. Send at scale with SendGrid’s trusted email API and marketing campaigns platform, delivering 148+ billion emails for senders like you every month.
Freemium
Windows
macOS
Linux
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