The document discusses the current tools, libraries, and technologies used at Kisko including Ruby on Rails 4.1 with Ruby 2.1.5, PostgreSQL, Memcached for caching, Redis if needed, UploadsCarrierWave for file uploads with Refile also being considered. For front-end development, Haml is primarily used for HTML templating with Slim also being experimented with, SVGs are preferred over icon fonts, and Mapbox is used for custom maps with interest in WebGL maps. JavaScript frameworks include CoffeeScript, Backbone, and trying out AngularJS.