Gatsby is a free and open source framework based on React that helps developers build blazing fast modern websites and apps.
Siema is a lightweight carousel plugin with no dependencies and no styling. It is 100% open source - free to use on personal and commercial projects.
Quill is a modern rich text editor built for compatibility and extensibility. It's a free, open source WYSIWYG editor built for the modern web.
ToxicBox is a jQuery lightbox plugin that displays pictures, containers, and notifications in a popup window.