Editing Helvetica (section)

===Free Helvetica substitute fonts===
[[File:TeXGyreHerosSpecimenCH path.svg|thumb|TeX Gyre Heros – an enhanced version of Nimbus Sans under the GUST Font License]]
* '''[[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.<ref>{{cite web |url=http://www.tug.org/fonts/deutsch-urw.txt |title=Finally! Good-quality free (GPL) basic-35 PostScript Type 1 fonts. |format=TXT |access-date=2010-05-06 |archive-date=2010-06-15 |archive-url=https://web.archive.org/web/20100615013230/http://www.tug.org/fonts/deutsch-urw.txt |url-status=live }}</ref><ref>{{cite web|url=http://mirror.cs.wisc.edu/pub/mirrors/ghost/aladdin/fonts/ghostscript-fonts-std-4.0.tar.gz |title=ghostscript-fonts-std-4.0.tar.gz - GhostScript 4.0 standard fonts - AFPL license |format=TAR.GZ |date=1996-06-28 |access-date=2010-05-06 |url-status=dead |archive-url=https://web.archive.org/web/20110424032316/http://mirror.cs.wisc.edu/pub/mirrors/ghost/aladdin/fonts/ghostscript-fonts-std-4.0.tar.gz |archive-date=2011-04-24 }}</ref> It (or a derivative) is used by much open-source software such as [[R (software)|R]] as a system font.<ref>{{cite web|title=Fonts|url=http://www.cookbook-r.com/Graphs/Fonts/|website=R Cookbook|access-date=7 April 2016|archive-date=14 April 2016|archive-url=https://web.archive.org/web/20160414083945/http://www.cookbook-r.com/Graphs/Fonts/|url-status=live}}</ref><ref>{{cite web|last1=Horton|first1=Nicholas|title=Specifying fonts in graphics|url=http://sas-and-r.blogspot.co.uk/2010/04/example-733-specifying-fonts-in.html|website=SAS & R|date=19 April 2010|access-date=7 April 2016|archive-date=21 April 2016|archive-url=https://web.archive.org/web/20160421172055/http://sas-and-r.blogspot.co.uk/2010/04/example-733-specifying-fonts-in.html|url-status=live}}</ref>
* '''TeX Gyre Heros'''<ref>{{cite web | url=https://www.gust.org.pl/projects/e-foundry/tex-gyre/heros | title=TeX Gyre Heros — GUST Web Presence | access-date=2023-08-09 | archive-date=2023-06-10 | archive-url=https://web.archive.org/web/20230610192406/https://www.gust.org.pl/projects/e-foundry/tex-gyre/heros | url-status=live }}</ref> – a derivative of Nimbus Sans L with enhanced letter forms and metrics – has been prepared for use in the [[TeX]] scientific document preparation software, and since 2009 general under the GUST font license.<ref>{{cite web|title=TeX Gyre Heros|url=http://www.tug.dk/FontCatalogue/texgyreheros/|website=The LaTeX font catalogue|publisher=TeX Users Group Denmark|access-date=2 August 2017|archive-date=15 August 2017|archive-url=https://web.archive.org/web/20170815193140/http://www.tug.dk/FontCatalogue/texgyreheros/|url-status=live}}</ref><ref>[http://www.gust.org.pl/projects/e-foundry/tex-gyre The TeX Gyre (TG) Collection of Fonts] {{Webarchive|url=https://web.archive.org/web/20110622122721/http://www.gust.org.pl/projects/e-foundry/tex-gyre |date=2011-06-22 }}, accessed 2020-09-30.</ref>
* '''[[FreeSans]]''' is a free font descending from URW++ Nimbus Sans L, which in turn descends from Helvetica.<ref>{{cite web |url=https://www.gnu.org/software/freefont/design-notes.html |title=GNU FreeFont - Design notes |date=2009-10-04 |access-date=2010-07-02 |archive-date=2010-06-15 |archive-url=https://web.archive.org/web/20100615141734/https://www.gnu.org/software/freefont/design-notes.html |url-status=live }}</ref> It is one of free (GPL) fonts developed in GNU FreeFont project, first published in 2002.

Other such typefaces take creative liberties from Helvetica and its basic letter shapes.

* '''[[Liberation fonts|Liberation Sans]]''' is a metrically equivalent font to Arial developed by [[Steve Matteson]] at [[Ascender Corporation|Ascender]] and published by [[Red Hat]] under the [[SIL Open Font License]].<ref>{{citation |url=https://fedoraproject.org/wiki/Licensing/LiberationFontLicense |title=LiberationFontLicense – License Agreement and Limited Product Warranty, Liberation Font Software |access-date=2012-12-19 |archive-date=2012-05-23 |archive-url=https://web.archive.org/web/20120523100933/https://fedoraproject.org/wiki/Licensing/LiberationFontLicense |url-status=live }}</ref><ref>{{citation|url=https://fedorahosted.org/liberation-fonts/browser/LICENSE |title=LICENSE - liberation-fonts |access-date=2012-12-19 }}{{dead link|date=March 2017 |bot=InternetArchiveBot |fix-attempted=yes }}</ref> It is used in some Linux distributions as default font replacement for Arial.<ref>{{citation |url=http://wiki.mandriva.com/en/Releases/Mandriva/2008.0/What%27s_New#Liberation_font_set |title=Mandriva Linux 2008 Release Tour |quote=integrated into Mandriva Linux 2008 |access-date=2010-04-04 |url-status=dead |archive-url=https://web.archive.org/web/20100619073124/http://wiki.mandriva.com/en/Releases/Mandriva/2008.0/What%27s_New#Liberation_font_set |archive-date=2010-06-19 }}</ref> [[Oracle Corporation|Oracle]] funded the additional development of Liberation Sans Narrow in 2010.<ref>{{cite web |url=http://www.openoffice.org/dev_docs/features/3.3/index.html#New_Narrow_Font_Family |title=OpenOffice.org 3.3 New Features |access-date=2016-03-20 |archive-date=2010-11-05 |archive-url=https://web.archive.org/web/20101105110421/http://www.openoffice.org/dev_docs/features/3.3/index.html#New_Narrow_Font_Family |url-status=live }}</ref><ref>{{Citation | url = https://fedorahosted.org/liberation-fonts/ | title = Liberation Fonts | publisher = Fedora | access-date = 2016-03-20 | archive-date = 2017-02-15 | archive-url = https://web.archive.org/web/20170215065644/https://fedorahosted.org/liberation-fonts/ | url-status = live }}</ref> Google commissioned a variation named [[Arimo (typeface)|Arimo]] for [[ChromeOS]].
* '''[[Roboto]]''' was developed by Christian Robertson of Google as the system font for its [[Android (operating system)|Android]] operating system; this has a more condensed design with the influence of straight-sided geometric designs like [[DIN 1451]].
* '''Inter''' (originally '''Inter UI''') is a fork of Roboto that resembles Apple's [[San Francisco (sans-serif typeface)|San Francisco]] typeface.<ref>{{cite web |url=https://rsms.me/inter/ |title=Inter font family}}</ref>
* '''Mona Sans''', a [[GitHub]] variable font released under [[SIL Open Font License]], stands out from the above examples with its [[a|'single-storey']] lowercase '''a'''.<ref>{{cite web | url=https://github.com/github/mona-sans | title=Mona Sans | website=[[GitHub]] | access-date=2023-08-10 | archive-date=2023-08-10 | archive-url=https://web.archive.org/web/20230810230540/https://github.com/github/mona-sans | url-status=live }}</ref>
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