Many of the resources below are free or very low-cost, and are sure to be useful to a lot of designers and developers out there. If i missed something that you think it need to be included in this post, please post your comments
batman.js is a full-stack microframework extracted from real use and designed to maximize developer and designer happiness. It favors convention over configuration, template-less views, and high performance by simply not doing very much. It all adds up to blazingly fast web apps with a great development process; it’s batman.js.