AutoSend Newsletter is a complete newsletter application built with Next.js and AutoSend to send newsletters with ease. It has multiple features like

• Collecting emails and names from readers

• Two-step email-based verification for new subscribers

• Writing issues in markdown & publishing them right from the dashboard

• Sending newsletter issues to multiple emails right from the dashboard

...and much more!

Here's an article on how you I built this newsletter from the ground up: https://www.adarshdubey.com/blog/autosend-newsletter

One can set up this newsletter app just by cloning the repo and following the README from the repository.

Best part? It's all open source! Go ahead and implement features you want to see.