Vivaldi (opens in new tab)

Feature-packed web browser The web browser for techies and people who need a browser that helps them get things done. The user interface is fully customizable, including keyboard shortcuts, mouse gestures, and programmable macros. Seize back control of your tabs with features like Workspaces, Tab Stacks, and Tab Tiling. Stay on top of all your emails, appointments, to-dos, and news with Mail, Calendar, Tasks, and Feed Reader. (Compatible with IMAP, POP3, CalDAV, and Atom/RSS.) Jot down ideas ...