The Service Portal often gets compared to web-based CMSs like WordPress or Drupal (“It’s just a website, isn’t it?”). Those of us that are familiar with Service Portal know that it is its own beast. There are a few fundamental differences:
1) There is no strict file structure to interact with on the Service Portal to control templates of output pages
2) All direct interaction and development with the Service Portal happen through the front end only. The backend of ServiceNow is largely obfuscated and inaccessible.
2. jQuery UI
jQuery UI is a set of user interface widgets based on jQuery. It includes datepicker, autocomplete, slider, tabs, dialog, progressbar, buttons, and more.
ColorZilla is a color picker tool that lets you choose colors easily. It comes with a color wheel and various tools to help you select colors.
7. Google Maps API
Google maps api is a great tool that lets you add google map markers to your site. It's easy to use and gives you lots of options to customize your map.