Alternatives

Products that do what WebBrain does

The sidebar agent for the rest of us

1. 1
   Kimi WebBridge▲115

   A bridge connecting AI agents to the live web

   May 2026

2. 2
   Browserfly▲203

   AI agent that lives in your browser

   2025

3. 3
   WritingMate.ai▲477

   Free ChatGPT alternative that works as a Chrome extension

   2023

4. 4
   Open Browser Use▲112

   Open-source browser automation for local AI agents

   May 2026

5. 5
   Lyto▲178

   "One AI agent across your browser, tools, and messages "

   Jun 2026

6. 6
   TalkWeb▲188

   AI powered chrome extension to chat with any website

   2023

7. 7
   Compuser.ai▲174

   AI Computer use agent in your browser

   2025

8. 8
   Agent Browser▲149

   Browser Agents that communicate using ASCII wireframes

   Mar 2026

9. 9
   MyNextBrowser▲106

   Make any browser agentic and automate workflows

   Mar 2026

10. 10
    FlowLens▲134

    Bug reports built for coding agents, so you can ship faster.

    Dec 2025

11. 11
    Basement Browser▲108

    A multiplayer mobile browser with AI agents on every webpage

    Mar 2026

12. 12
    NeuralSide▲97

    Fast, focused AI in the browser sidebar

    2025

13. 13
    Archie.AI Chrome Extension▲85

    Talk to Google Analytics from your Chrome browser

    2018

14. 14
    AgentNotch▲120

    Real-time AI coding assistant telemetry in your Mac's notch

    Jan 2026

15. 15
    BrainyAI▲185

    Your browser AI sidekick

    2024

16. 16AR
    A remote browser product, open-sourced▲253

    2019 · github.com

17. 17
    Browser Arena▲175

    Open-source benchmarks for cloud browser infrastructure

    Apr 2026

18. 18
    AlliHat▲96

    Claude AI in your Safari sidebar

    May 2026

19. 19
    BrowserCopilot AI▲212

    Your AI Companion Across the Web

    2024

20. 20
    Browser AI Kit▲212

    Run AI tools directly in your browser

    2024

21. 21
    Browserbase▲60

    A web browser for your AI

    2025

22. 22WB
    We Built Open-Source Alternative to OpenAI's Operator, Runs in Chrome▲9

    Hi HN, I'm one of the creators of Nanobrowser, an open-source Chrome extension that lets you automate web tasks using AI agents. We were inspired by the potential of tools like OpenAI's Operator, but we wanted something that was: -Open-Source:You can see the code, modify it, and contribute to the project. -Browser-Based:No complex setups or server deployments. It runs directly in your browser. -Customizable:You can tailor the agent's behavior to your specific needs. -BYO LLM:Bring your own large language model API key (OpenAI, Anthropic,or even local models), No vendor lock-in. -Privacy…

    2025 · github.com

23. 23
    Agent Browser Shield▲109

    Block prompt inject & cut token costs for AI browser agents

    Jun 2026

24. 24
    ChatGPT Sidebar Chrome Extension▲162

    AI & you work side by side on any page

    2023

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