Blogging for Devs - Grow your blog as a developer without an existing audience
Newsletter Operating System - All-in-one dashboard to launch & grow your newsletter
Goose Blog - A simple and lightweight text style open source blog.
Letterfuel - Grow your audience with a curated newsletter
Ahrefs - Ahrefs is a toolset for SEO and marketing. We have tools for backlink research, organic traffic research, keyword research, content marketing & more. Give Ahrefs a try!
Newsletter Resources Kit - A resources kit to launch, grow, & monetize your newsletter