Start Bootstrap
Over the years, Start Bootstrap has been the most popular library of free, open source Bootstrap themes on the web. The objective was simple at first: design and share free, open source, and easy-to-download Bootstrap themes without compromising quality and they continue to do that today. The bootstraps offered are unique.
Get Bootstrap
Every new theme and update is reviewed by the Get Boostrap team against a set of principles they created. These cover a wide range of topics including as design, component flexibility, class name, directory organization, build tools, plugin reusability, and so on. The list is endless.
W3Schools
W3Schools is designed to facilitate learning, testing, and training. To increase reading and basic comprehension, examples may be simplified. Tutorials, references, and examples are continually evaluated to ensure accuracy, but we cannot guarantee that all information is completely right.