Apache is a free and open-source cross-platform web server software.
JSDelivr is a free public CDN for open-source projects. It can serve web files directly from the npm registry and GitHub repositories without any configuration.
Open Graph is a protocol that is used to integrate any web page into the social graph.
Summernote is an open-source JavaScript library that offers a feature-rich WYSIWYG editor for web applications, allowing users to create and edit formatted content in a familiar word processor-like interface.