databasus
https://github.com/databasus/databasus
Databasus is a free, open source and self-hosted tool to backup databases. Make backups with different storages (S3, Google Drive, FTP, etc.) and notifications about progress (Slack, Discord, Telegram, etc.).
https://github.com/databasus/databasus
notifuse
https://github.com/Notifuse/notifuse
The open-source alternative to Mailchimp, Brevo, Mailjet, Listmonk, Mailerlite, and Klaviyo, Loop.so, etc.
Notifuse is a modern, self-hosted emailing platform that allows you to send newsletters and transactional emails at a fraction of the cost. Built with Go and React, it provides enterprise-grade features with the flexibility of open-source software.
https://github.com/Notifuse/notifuse