strapi
🚀 Strapi is the leading open-source headless CMS. It’s 100% JavaScript/TypeScript, fully customizable, and developer-first.
espocrm
EspoCRM – Open Source CRM Application
excalith
Terminal-inspired, clean, feature-rich and customizable browser start page for geeks. Has built-in editor for customizing.
WTTJ
Customizable design system from Welcome to the jungle (@wttj) with react, typescript, tailwindcss, ariakit and a lot of love 💛 Here you'll find all the core components you need to create a delightful webapp.