Many sites offer "free" versions of premium fonts that are restricted to personal projects (like a school assignment or a private blog). For business logos, client work, or advertising, a commercial license is almost always required.
Google Fonts is the gold standard for free, open-source typography. If you like the vibe of Napa Sans, consider these alternatives: napa sans font free
Using a font without a proper license in a commercial project can lead to expensive lawsuits or "cease and desist" orders. Many sites offer "free" versions of premium fonts
Features elegant letterforms and a wide range of weights. 2. Font Squirrel napa sans font free