...especially those who also have a broader variety of products, technologies, and languages.
Helpful to get an idea how to structure content, categories, UX, discoverability.
Random link collection (not necessarily all relevant, and not much sorted):
* https://developer.mozilla.org/en-US/ and https://developer.mozilla.org/en-US/docs/Mozilla/Projects
** Note: https://codetribute.mozilla.org/ looks like it allows filtering per programming language
* https://gitlab.com/help (EE) / https://gitlab.gnome.org/help (CE)
* https://docs.github.com/en/developers
** also see https://github.blog/2020-07-01-launching-docs-github-com/
* https://developer.microsoft.com/
* https://developers.google.com/
* https://developers.facebook.com/
* https://www.drupal.org/project/devportal
* https://developer.amazon.com/
* https://developer.nytimes.com/
* https://developer.vimeo.com/
* https://developers.tumblr.com/
* https://developer.paypal.com/
* https://dev.mendeley.com/
* https://www.dropbox.com/developers
* https://www.linkedin.com/developers/
* https://developer.twitter.com/en/docs
* https://developers.soundcloud.com/docs/api/guide
* https://ubuntu.com/tutorials
* https://developer.twitter.com/en
* https://www.libreoffice.org/community/developers/
* https://www.flickr.com/services/developer/
* https://developer.wordpress.org/
* https://developer.metro.net/
Further references:
* https://www.mediawiki.org/wiki/Web_APIs_hub#External_examples
* https://www.mediawiki.org/wiki/Requests_for_comment/Add_developer_link_to_footer_of_Wikimedia_wikis#Examples