The Material Design type scale includes a range of contrasting styles that support the needs of your product and its content. The type scale is a combination of thirteen styles that are supported by the type system. It contains reusable categories of text, each with an intended application and meaning. Source: https://material.io/design/typography/the-type-system.html#type-scale
The typeface Gotham is one of the most popular sans-serifs in circulation. Designed at the turn of the millennium by Tobias Frere-Jones for the Hoefler & Co Source: 10 Free Font Alternatives to Gotham
Source: The Psychology of Fonts (Fonts That Evoke Emotion)
Source: Type Scale – A Visual Calculator
Top 10 Font Alternatives to Helvetica Source: Top 10 Font Alternatives to Helvetica
Think Helvetica is a bit overused? Then check out this list of 10 grotesque sans-serif typefaces that share similar characteristics with Helvetica. Source: Top 10 Helvetica Alternatives for 2019 · Typewolf
Categories Fonts, Typography
Source: Adding Custom Fonts to WordPress with @Font-Face and CSS3
https://pierrickcalvez.com/journal/a-five-minutes-guide-to-better-typography
Free FontsA selection of complimentary typography for your web projects. Source: Awwwards Directory