A browser extension for viewing diffs of specific files and directories on GitHub. Chrome: https://chrome.google.com/webstore/detail/github-file-diff/lmhbkinmjbfihpkihjdhcagnigpklinh Originally made to explore https://github.com/apple-open-source/macos
https://addons.mozilla.org/en-US/firefox/addon/github-file-diff/
