Free mailer software

Here are some free mailer software options:

1. Mailchimp: A popular email marketing platform that offers a free plan for up to 2,000 subscribers and 12,000 emails per month.
2. MailerLite: A free email marketing software that allows you to send up to 12,000 emails per month to up to 2,500 subscribers.
3. Sendinblue: A free email marketing software that offers unlimited emails to up to 2,500 subscribers.
4. Tinyletter: A simple and free email newsletter service that allows you to send up to 50,000 emails per month to up to 10,000 subscribers.
5. Campaign Monitor: A free email marketing software that offers a limited plan for up to 500 subscribers and 12,000 emails per month.
6. Constant Contact: A free email marketing software that offers a limited plan for up to 100 subscribers and 1,000 emails per month.
7. Mailster: A free email marketing software that allows you to send up to 10,000 emails per month to up to 1,000 subscribers.
8. SendPulse: A free email marketing software that offers unlimited emails to up to 2,500 subscribers.
9. Vocus: A free email marketing software that offers a limited plan for up to 500 subscribers and 12,000 emails per month.
10. OpenEMM: A free and open-source email marketing software that allows you to send unlimited emails to unlimited subscribers.

Please note that while these software options are free, they may have limitations and restrictions compared to paid plans. Additionally, some may require you to create an account or provide some basic information to get started.