Listmonk
Description: Listmonk is an open-source newsletter and mailing list manager. It allows you to easily create, send, and manage email newsletters and mailing lists. Key features include subscriber management, email templates, A/B testing, analytics, and integration with services like Mailchimp.
Type: software
Pricing: Open Source
Nexmo
Description: Nexmo is a cloud communications platform that enables developers to integrate messaging, voice and phone capabilities into mobile apps, websites and business systems using APIs. It supports SMS, voice calls, phone number provisioning, 2-factor authentication and more.
Type: software