Many, many frameworks have been created since Bootstrap took off. It may not have been the first, but it sure made people start thinking about them. People made them for the experience, for the fun of it, and to solve very specific needs. They made them for clients, for themselves; alone, and in teams. Some were sub-par, some were only usable in specific cases, and others were brilliant. But very few got any serious recognition from the community. Eventually, you’d see a new framework or five every other...