Ethos is a free HTML one-page template for creating beautiful portfolios or resume websites.
Freebies tagged html
OAK is a free HTML portfolio template ideal for designers, photographers and any kind of creative people who need a website for showcasing their own works.
OAK: A free HTML template for creative portfolios
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Carbon Design System is a free set of UI kit released by IBM and available for designers and developers, as Sketch file and HTML + SCSS component library.