Best Opera Alternatives for Monica

Voilà is a browser-based AI assistant that helps you write, research, and boost productivity on any website, all while keeping your data private and respecting your privacy

Sider is an AI browser extension that boosts productivity in reading, writing, and more. Trusted by 6M+ users, it offers features to optimize online activities.

Merlin AI is a browser extension that unifies top AI models (ChatGPT, Claude, Gemini) for research, summarizing, writing, coding, diagramming, translation, and more—directly in your browser