Manrope
Manrope has confidently established its presence in the typeface community, boasting a website that overshadows those of many established startups. As a variable font, it offers an array of weights within a single file. I have a soft spot for Manrope—its complete ligature set and full multilingual support are impressive. It’s a jack-of-all-trades, promoting itself as semi-condensed, semi-rounded, and hybrid in various other aspects. 
Gidole
The beloved DIN, appreciated for its versatility and elegant simplicity, comes at a steep price. Enter Gidole, the open-source sibling of DIN. Its resemblance is uncanny, with only minor differences perceptible to the most discerning eyes. Before opting for DIN, give Gidole a try—it comes with a passionate support community on Github too. 
Inter
Inter may have surged in popularity, yet it’s worth mentioning for its reliably solid updates and excellent open-source community engagement. If you’re after something with a bit more flair than Helvetica and more consistent than San Francisco, Inter fits the bill. Now readily available on Google Fonts, it features over 2500 glyphs, diverse styles, and multiple features. 
Overpass
Overpass, a creation of Delvefonts financed by RedHat, was fashioned as a substitute for the widely-used Interstate and Highway Gothic fonts. Its extensive style and ligature variety have led to its adoption by major e-commerce platforms, not to mention there’s a monospace version available. Aside from Google Fonts, you can get Overpass through KeyCDN and Font Library. 
Public Sans
Public Sans, an endeavor from the U.S. Government, is predominantly used across various government websites and is a key element of their design system. Developed from the well-known Libre Franklin, it boasts a slew of features like multilingual support and a broad weight range. Its variable format is available, albeit still under experimentation. 
Space Grotesk
Space Grotesk might not be a household name yet, but it’s worthy of your attention as an exciting alternative to the ubiquitous Helvetica. With its suite of stylistic options, tabular figures, accented characters, and multilingual support, it’s a sterling option in the graphic font landscape. 
Alice
Alice offers a charming serif option described as traditional, quaint, and perfect for projects that command a sense of sophistication. While it’s limited to a single weight, Alice’s availability on Google Fonts magnifies its accessibility. 
Urbanist
Urbanist presents itself as a versatile, geometric sans-serif with roots in Modernist design. Crafted from basic shapes, it epitomizes neutrality, allowing it to function seamlessly over a spectrum of applications. Should you be considering a replacement for the premium Sofia font, Urbanist is a strong contender. 
Evolventa
Evolventa, a Cyrillic offshoot of the URW Gothic L font family, stands out with its geometric design. While it has a smaller family size, it is often chosen for web headlines and eye-catching titles. 
Fira Sans
Fira Sans comes from the creators of Firefox and has been generously contributed to the open-source community. Serving as Firefox’s go-to browser font and used throughout their website, it’s optimized for reading clarity on screens. Google Fonts also offers Fira Sans. 
Hack
For building a developer’s site or finding the perfect code-styling typeface, Hack should be on the top of your list. It’s especially lightweight, packed with symbols and ligatures, and specifically crafted for coding. Hack even offers a straightforward Windows installation process. 
IBM Plex
Plex, from the renowned tech company IBM, is favoured for its comprehensive family, including Mono, Sans, Serif, and Condensed. It’s multi-lingual and ideal for global website designs. And of course, Plex is entirely open-source. 
Monoid
For those who write code, Monoid stands out with its integration of font-awesome, dubbed Monoisome. This feature allows the inclusion of icons within code, simplifying the process. Apart from coding, Monoid is highly legible for standard web text as well. 
Object Sans
Object Sans (originally known as Objectivity) is a compelling geometric typeface fit to stand in for numerous premium fonts. It marries the best traits of Swiss neo-grotesks with geometric shapes. Object Sans is as versatile in large headers as it is in body text. 
Lunchtype
Lunchtype emerged from an intriguing 100-day design project carried out during lunch breaks. If you’re in search of something more lively than vanilla Helvetica for your endeavor, Lunchtype might just be your type, offering an array of weights and a condensed style for a full typographic menu. 
Jost
Drawing inspiration from 1920s German sans-serifs, Jost has earned its stripes in the open-source font world. For those seeking a Futura alternative, Jost offers variable weights and extensive language support, capturing attention with a modern twist on a classic style. 
Work Sans
Work Sans is a distinctive grotesk sans with certain quirks that set it apart. The font’s variable weight options and multilingual capabilities ensure it shines on both screens and print. 
