SiteList review score
Exceptional brand positioning and high-velocity content program. Throttled by severe performance bottlenecks and conflicting technical indexing signals.
Reviewed on Aug 15, 2026
WebBrain — The sidebar agent for the rest of us
webbrain.one
Unclaimed listingWhat it does
WebBrain is a free, open-source browser extension that brings AI agent capabilities to your browser. It reads pages, extracts data, and automates web tasks — powered by your choice of LLM.
Two ratings
Verified user rating
—
No verified reviews yet — the evidence locker is empty.
Screenshots
Captured during our latest review on Aug 24, 2026
Pricing details
Free forever; no paid tiers or usage-based pricing evidenced. Billed annual.
View sourceKey features
Side panel UI
Built-in side panel chat interface for browser interactions.
Self-hostable
Can be deployed and run independently without proprietary cloud dependencies.
Multilingual UI
Supports user interface in multiple languages including English, Chinese, Arabic, and others.
Who it’s for
Daily browsing AI assistant
Provides on-page summarization, data extraction, and form-filling assistance directly in the browser sidebar.
Integrations
OpenAI-compatible endpoints
AI models
Supports all OpenAI-compatible API endpoints for model routing.
llama.cpp / Ollama
Local LLMs
Runs local large language models via llama.cpp or Ollama.
Buyer questions
Questions buyers actually ask
Is WebBrain free?
Yes, WebBrain is free forever and open-source under the GPL-3.0-or-later license.
Product FAQ information · View source
The expert review
WebBrain earns a 76/100 for its exceptionally strong brand positioning and high-velocity content program. However, the site's potential is throttled by severe performance bottlenecks and conflicting technical indexing signals.
76/100: strong product, technical friction
Verified user reviews
0 verifiedNo reviews yet. The evidence locker is empty.
Reviews from verified users appear here once approved.
Reviews are from the SiteList community. Some reviewers received incentives — disclosed in the review, always. The verdict is never for sale.
Scores across 13 dimensions
Brand & experience
Performance
Content & editorial
Trust & decision surfaces
Search & discoverability
Docs & measurement
- Domain
- webbrain.one
- Category
- Agent orchestration & runtimes
- Pricing
- Free · $0/mo
- Platforms
- web, desktop
- HQ
- Turkey
- Last checked
- Aug 15, 2026
- Public dimensions
- 13
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