Sendy is described as 'A self hosted newsletter application that lets you send trackable emails via Amazon Simple Email Service (SES). Complete with reports, subscriber & list management'. There are more than 100 alternatives to Sendy for a variety of platforms, including the Web, Windows, Self-Hosted solutions, SaaS and Mac. The best alternative is Mailchimp, which is free. Other great apps like Sendy are MailerLite (Freemium), TinyLetter (Free), Sendinblue (Freemium) and GetResponse (Paid).