Ultimatum is a chromium fork with webextensions support on Android, anti-detect browser capabilities, web3.0 support and much more.
Cost / License
- Free
- Open Source (BSD-3-Clause)
Platforms
- Mac
- Windows
- Linux
- Android

Opera Air is described as 'Experience a mindfulness-centric browser with AI assistance, soundscapes, and a built-in Ad Blocker for distraction-free browsing. Also includes a secure VPN' and is a Web Browser in the ai tools & services category. There are more than 50 alternatives to Opera Air for a variety of platforms, including Mac, Windows, Linux, Android and iPhone apps. The best Opera Air alternative is Mozilla Firefox, which is both free and Open Source. Other great apps like Opera Air are Zen Browser, Brave, Google Chrome and Vivaldi.
Ultimatum is a chromium fork with webextensions support on Android, anti-detect browser capabilities, web3.0 support and much more.

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SURF THE WEB, SAVE THE OCEAN
Wave Browser helps clean the ocean with every session.
Through our verified partnership with 4ocean, Wave funds real ocean cleanup. We will remove over 300,000 pounds of plastic and trash from our ocean, rivers, and coastlines by 2028.
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