Vivaldi
Web browser with built-in email client, calendar, and RSS reader. The company behind it, Vivaldi Technologies, was co-founded by Jon von Tetzchner, former CEO of Opera.
- Based on Chromium.
- Revisits features of Presto-based Opera (tab stacks, keyboard shortcuts, mouse gestures).
- Comes with built-in ad and tracker blocker.
- Customizable UI.