Listed allows you to create an online publication with automatic email newsletters delivered to your readers, directly from Standard Notes. It's ideal for creating a public journal, or sharing domain-specific knowledge.
Quail is a modern, AI-powered, newsletter service. It supports multiple push channels, including email, telegram, and discord. It has good integration with popular editors like Obsidian and VScode.
Cusdis - Lightweight, privacy-first, open-source comment system
Cusdis is an open-source, lightweight (~5kb gzipped), privacy-first alternative to Disqus. It's super easy to use and integrate with your existed website
Remark42 is a self-hosted, lightweight, and simple (yet functional) comment engine, which doesn't spy on users. It can be embedded into blogs, articles or any other place where readers add comments.