strapi
🚀 Strapi is the leading open-source headless CMS. It’s 100% JavaScript/TypeScript, fully customizable, and developer-first.
bloom42
Markdown-first CMS for bloggers, minimalists and startups. Open Source alternative to Medium, Mailchimp and Substack - https://markdown.ninja
pluginpal
🔌 Generate a highly customizable sitemap XML in Strapi CMS