BrowserOS is an open-source agentic browser that runs AI agents locally. Your privacy-first alternative to Perplexity Comet.
United States
Deta Surf Alternatives
Deta Surf is described as 'Digital workspace merging browser, file manager, and AI; supports local notes, applet creation, offline multimedia storage, and advanced multitasking interface' and is a Note-taking tool in the ai tools & services category. There are more than 50 alternatives to Deta Surf for a variety of platforms, including Mac, Web-based, Windows, Android and iPhone apps. The best Deta Surf alternative is Obsidian, which is free. Other great apps like Deta Surf are Joplin, Raindrop.io, Logseq and Anytype.
Alternatives list
- 26 BrowserOS alternatives
26 Perplexity Comet alternativesIntelligent 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.
+1
70 Linkwarden alternativesA fully self-hostable, open-source collaborative bookmark manager to collect, organize and archive webpages.
Cost / License
- Freemium
- Open Source (AGPL-3.0)
Application types
Platforms
- Online
- Android
- iPhone
- Android Tablet
- iPad
- Self-Hosted
- Google Chrome
- Cloudron
- Docker
- Mozilla Firefox
73 Curio alternativesCapture web links and newsletters, organize articles with tags, notes, and highlights, search a personal library, and read clean text online or offline in a focused Markdown viewer. Planned features include AI summaries, PDF extraction, and mobile apps.
Cost / License
- Free
- Open Source (GPL-2.0)
Application types
Platforms
- Online
- Self-Hosted
- Google Chrome
- Docker
- Mozilla Firefox
- Android
- iPhone
+5
Lightweight, self-hosted app for managing personal checklists and notes with drag and drop, progress bars, Kanban boards, Markdown WYSIWYG editor, file-based data, user management, sharing options, themes, open source, and API access.
+2
30 NotebookLM alternativesAI-first notebook by Google, available in the U.S., blends large language models and user-chosen data. Apply for access to explore intelligent insights and enhance your note-taking experience.
Cost / License
- Free
- Proprietary
Application type
Platforms
- Online
- Android
- Android Tablet
- iPhone
- iPad
52 NeverWrite alternativesNeverWrite is a local-first knowledge workspace for people who need to handle workflows with multiple parallel agents and subagents. Built like a code editor, but for markdown. It has inline review changes, like Cursor and others.
Cost / License
- Free
- Open Source (Apache-2.0)
Application type
Platforms
- Mac
- Windows
- Google Chrome
- Mozilla Firefox
47 SurfSense alternativesHighly customizable AI research agent just like NotebookLM / Perplexity / Glean, connected to external sources such as search engines (Tavily), Slack, Notion, YouTube, GitHub and more.
+1
95 Dia Browser alternativesBrowser 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.
+9
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.
+5
51 suprow alternativesDesktop browser replaces tabs with Spaces, organizing web apps into themed workspaces for efficient switching. Includes command palette, overlay tab switcher, ad blocker, dark mode, Picture-in-Picture, download management, and robust privacy controls without telemetry.
+2
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