When websites require complex backend functionality and frequent online updates, Webinetics uses best-of-breed open source content management systems like MODX and Processwire that provide complete design freedom and flexibility.
AngularJS, the newer of the two, is a full web app framework that uses HTML as a template language, which speeds up the development process.
The Yeoman workflow comprises three types of tools for improving productivity when building a web app: the scaffolding tool (yo), the build tool (Grunt, Gulp, etc) and the package manager (like Bower and npm).
Other tools and experience include programming frameworks like PHP (LAMP stack) and ASP.Net, creating custom themes for WordPress, and HTML5 and CSS development. SASS/Compass is sometimes used for CSS development.