BrowserOS is an open-source agentic browser that runs AI agents locally. Your privacy-first alternative to Perplexity Comet.



Simular Browser is described as 'AI-powered macOS application designed to enhance productivity with smart automation, note-taking, notifications, and seamless computer action execution' and is an app. There are seven alternatives to Simular Browser for a variety of platforms, including Mac, Windows, Linux, Android and iPhone apps. The best Simular Browser alternative is BrowserOS, which is both free and Open Source. Other great apps like Simular Browser are Perplexity Comet, Deta Surf, Dia Browser and Web AI Browser.
BrowserOS is an open-source agentic browser that runs AI agents locally. Your privacy-first alternative to Perplexity Comet.



Intelligent browser offering AI search, contextual sidebar for instant content analysis, agent-driven automations like booking or emailing, privacy-first data handling, seamless Chrome extension support, and unified management of web tasks for work and personal use.




Workspace fusing browsing, file management, and AI with local-first data; offers note-taking, applet creation, offline media storage, YouTube and PDF interaction, customizable AI-powered notes, citation tools, split views, sidebar navigation, and privacy features.




Browser with AI-powered sidebar enables summarizing web pages, answering questions, drafting content, comparing sites, and adapting task-specific tools for writing, research, shopping, and communication, all with privacy features like ad and tracker blocking included.




SwiftUI-powered macOS browser featuring native WebKit rendering, local AI using Apple MLX, adaptive tab hibernation, granular privacy controls, incognito mode, comprehensive keyboard shortcuts, ad blocking, secure password management, and built-in download manager.

Browser integrates conversational AI for instant answers on any website, contextual sidebar for summaries, agent interaction with web content, user-controlled privacy, incognito mode, collaborative highlighting, customizable preferences, and searches across multiple media types.




ArcSphere is an AI Navigator that turns scattered tabs into clear answers. Chat across pages, summarize content, draft text, and insert results directly—no copying links, no switching apps. Organize tabs with Spheres, ask questions as you browse, and get one clear answer from...



