Responsive Web Design Certification (Projects):

Reference: https://www.freecodecamp.org/learn/

Tribute Page: https://rudolffonseca.github.io/freecodecamp/TributePage/tribute.html
Survey Form: https://rudolffonseca.github.io/freecodecamp/Survey%20Form/surveyform.html
Product Landing Page: https://rudolffonseca.github.io/freecodecamp/landingpage/landingpage.html
Technical Documentation Page: https://rudolffonseca.github.io/freecodecamp/documentation/tech-doc-page.html
Personal Portifolio WebPage: https://rudolffonseca.github.io/freecodecamp/personal-portifolio/personal-portifolio.html

Front End Development Libraries (Projects):

Reference: https://www.freecodecamp.org/learn/front-end-development-libraries/

Random Quote Machine: https://rudolffonseca.github.io/freecodecamp/randomquotemachine
Markdown Previewer: https://rudolffonseca.github.io/freecodecamp/markdownpreviewer