San Francisco (sans-serif typeface) products and for overall branding. It was the original system typeface of watchOS and tvOS and has replaced Helvetica Neue and Lucida Grande as the system typeface of macOS and iOS since OS X El Capitan and iOS 9. Apple uses it on its website and for its product wordmarks, where it replaced Myriad Pro. It is also used on the keyboard of the 2015 MacBook and on the 2016 MacBook Pro, replacing VAG Rounded. It is also used as Apple's corporate typeface. Apple restricts the usage of the typeface by others. It is licensed to registered third-party developers only
Helvetica stroke widths within a glyph. Nimbus Sans L, a version of URW's Nimbus Sans spaced to match the standard Linotype/PostScript version of Helvetica, was released under the GNU General Public License in 1996, and donated to the Ghostscript project to create a free PostScript alternative. It (or a derivative) is used by much open-source software such as R as a system font. A derivative of this family known as "TeX Gyre Heros" has been prepared for use in the TeX scientific document preparation software. FreeSans, a free font descending from URW++ Nimbus Sans L, which in turn descends from Helvetica.