JavaScript libraries
jQuery The Write Less Do More JavaScript Library

Font scripts
Making the web more beautiful fast and open through great typography

UI frameworks
Powerful extensible and feature packed frontend toolkit Build and customize with Sass utilize prebuilt grid system and components and bring projects to life with powerful JavaScript plugins

CMS
Open source software which you can use to easily create a beautiful website blog or app

Appointment scheduling
Trumba offers web hosted event calendar software for publishing online interactive calendars of events

Advertising
Established in 2014 the IAB Technology Laboratory Tech Lab is a non profit consortium that engages a member community globally to develop foundational technology and standards that enable growth and trust in the digital media ecosystem Comprised of digital publishers ad technology firms agenci

CDN
The recommended free CDN for Bootstrap Font Awesome Bootswatch and Bootstrap Icons

Ecommerce
Schema org is a set of extensible schemas that enables webmasters to embed n structured data on their web pages for use by search engines and other applications

Ecommerce
The World Wide Web Consortium W3C develops standards and guidelines to help everyone build a web based on the principles of accessibility internationalization privacy and security