Manifest lets you build websites the way you want, without templates or constraints. It’s fast, light, and builds websites that are instantly usable on computers while displaying quickly on smartphones. If you need to build a website, Manifest will help you build it faster. Expansion packs will enable a host of new CSS tricks. Created over the course of a decade, it’s designed to help build simple websites with forms, PHP, and JavaScript, for demanding clients at an insane speed.