If you buy only one theme, make it Refined. It is the gold standard for a reason.
Don’t underestimate what you can do with Confluence’s built-in "Custom HTML" feature (under Look and Feel) and space-sidebar macros. best confluence themes
(DIY)
Aura focuses on modernizing the aesthetic rather than just structural branding. If you buy only one theme, make it Refined
It introduces a collapsible, floating table of contents that follows you as you scroll. It also adds a "Recently Viewed" carousel to your dashboard and allows you to create custom CSS to tweak every pixel. If you buy only one theme
Salesforce or Notion – clean, corporate, but warm.