Alternatives to Fellou
A desktop web browser with a built-in AI agent that carries out multi-step tasks across websites. The listings below can replace it for an important use case. Each note says what changes if you switch.
The original
Fellou
A desktop web browser with a built-in AI agent that carries out multi-step tasks across websites.
Replacements
Listings that take over the same core job as Fellou.
Perplexity Comet
Agentic browser with a built-in research assistant and task automation.
Perplexity Comet also runs on Windows and macOS with an assistant that acts on pages, but it requires a Perplexity account and is likewise closed source.
Opera Neon
Opera's agentic web browser that uses AI agents to research, manage tabs and act on web pages.
Opera Neon offers several agents for different tasks and connects to external tools through MCP and CLI, but it is a paid product rather than freemium.
ChatGPT Atlas
OpenAI's Chromium-based web browser with ChatGPT and an agent mode built into every page.
ChatGPT Atlas builds ChatGPT and an agent mode into every page on a Chromium base, but it is macOS only and tied to the ChatGPT service.
BrowserOS
An open-source Chromium-based browser with built-in AI agents that can run on local models.
BrowserOS is an open-source Chromium browser with built-in AI agents that can run on local models, and it adds Linux, though local models need capable hardware.
Dia
AI-first browser with a chat sidebar that works across your tabs.
Dia centres on a chat sidebar that reads your open tabs rather than multi-step agent tasks, and it is macOS only and requires an account.
Also worth comparing
These listings name Fellou as their own alternative, so the relationship runs both ways.
Browser Use
Open source framework that lets AI agents control a web browser.
Fellou replaces the framework with a closed-source desktop browser for Windows and macOS whose built-in agent shows an editable action plan, so no coding is needed but control is reduced.
Manus
An autonomous AI agent that carries out multi-step tasks such as building slides and websites.
Fellou is a desktop browser for Windows and macOS whose AI agent runs multi-step tasks across websites and shows an editable plan before acting.
Skyvern
Open-source AI agents that automate browser workflows such as logins, form filling and data extraction.
Fellou is a closed-source desktop browser for Windows and macOS with a built-in AI agent that shows an editable action plan before acting.
Similar software
Related functionality, not a direct replacement.
Lightpanda
A headless browser written from scratch in Zig for web automation, crawling and AI agents.
Arc Search
Mobile browser with an AI Browse for Me mode that reads pages and summarizes them.
Maxthon
Long-running Chromium browser with built-in notes, passwords and AI chat.
QQ Browser
Tencent's Chinese-language web browser with a built-in Yuanbao AI assistant, split-screen browsing and file tools.
Arc
Chromium browser organised around spaces, a sidebar and split views.
Microsoft Edge
Microsoft's Chromium-based browser, bundled with Windows.