Refined GitHub

Simplifies the GitHub interface and adds useful features

Highlights:

• Mark issues and pull requests as unread
• Tabs in code are shown as 4 spaces instead of 8 spaces
• Fix merge conflicts in a click
• Reaction avatars showing who reacted to a comment
• Clickable references to issues and pull requests
• View linked gists inline in comments
• View the source of Markdown files
• Open all your notifications at once
• Copy a file's content
• Full names of comment authors are shown next to their username
• Followers you know are shown on profile pages
• Badge on user's profile if they follow you
• The news feeds automagically expands when you scroll down
• And much more…

See the website for more info.