Sample / Useful Style Guides when it comes to language.

• Australian Gov Style Manual
  https://www.stylemanual.gov.au/
• The Guardian News paper
  https://www.theguardian.com/guardian-observer-style-guide-a
• Mailchimp
  https://styleguide.mailchimp.com/voice-and-tone
• Progress Style Guide – (feels more like a manifesto, but the Central Principles make sense as a good starting point)
  https://s3.amazonaws.com/s3.sumofus.org/images/SUMOFUS_PROGRESSIVE-STYLEGUIDE.pdf

Company Style Guides for Inspiration

• https://style.greenpeace.org.uk

Tools

• I like Contentious’ approach to developing a ‘living document’
  https://contentious.ltd/tools-for-style-guides/