DexThirdLayer
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Related Products
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About
Brainfo is an AI-powered productivity platform designed to help users build a digital “second brain” for organizing ideas, knowledge, and tasks. The platform combines note-taking, document creation, task management, and goal tracking into a single integrated workspace. Inspired by Tiago Forte’s CODE methodology, Brainfo helps users capture, organize, distill, and express information effectively. Users can store notes, bookmarks, documents, and databases in one system to manage both personal and professional knowledge. The built-in AI assistant supports tasks such as writing improvement, summarization, translation, brainstorming, and content generation. Brainfo also allows users to access multiple AI models, including ChatGPT, Claude, and Gemini, within one interface. By unifying productivity tools and AI capabilities, Brainfo helps individuals and teams think more clearly and work more efficiently.
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About
Joindex’s product Dex turns your browser into a single AI-powered workspace and “second brain” that understands your tasks, context, and workflows across all your tabs and connected apps so you can handle work faster without switching between tools. It connects with popular apps and services, remembers preferences and context, and surfaces relevant suggestions, notes, links, and actions right when you need them, helping with tasks like scheduling meetings, summarizing content, scraping and exporting data, managing emails, and automating repetitive steps directly in your browser. Dex organizes AI-generated notes and todos into retrievable memory, predicts what’s next based on your activity, and works across multiple applications and tabs so you don’t lose context or waste time digging for information, while privacy controls let you manage permissions and data access.
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Platforms Supported
Windows
Supported
Mac
Supported
Linux
Supported
Cloud
Supported
On-Premises
Not Supported
iPhone
Supported
iPad
Supported
Android
Supported
Chromebook
Supported
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Platforms Supported
Windows
Not Supported
Mac
Not Supported
Linux
Not Supported
Cloud
Supported
On-Premises
Not Supported
iPhone
Not Supported
iPad
Not Supported
Android
Not Supported
Chromebook
Not Supported
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Audience
Students, writers, professionals, and teams seeking an AI-powered workspace to organize knowledge, manage tasks, and improve productivity through a digital second-brain system
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Audience
Knowledge workers and professionals in need of a tool to centralize tasks, context, and workflows to boost productivity
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Support
Phone Support
Not Supported
24/7 Live Support
Supported
Online
Supported
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Support
Phone Support
Not Supported
24/7 Live Support
Not Supported
Online
Supported
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API
Offers API
Supported
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API
Offers API
Not Supported
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Screenshots and Videos |
Screenshots and Videos |
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Pricing
$12 per month
Brainfo is a subscription-based product with three plans — all of which include unlimited notes, docs, bookmarks, databases, tasks, goals, workspaces, comments, device sync, folders, tags, projects, shares, blocks, media uploads, and import/exports.
Free — $0 forever For individuals and small teams getting started. Includes 3 workspace members, 5 MB file uploads, 30 minutes of voice typing per month, 30 days of version history, and Trial AI usage. Pro — $12/user/month ($10/user/month billed annually) For creators and thinkers who need full AI access and a larger workspace. Includes 20 workspace members, 500 MB file uploads, 230 minutes of voice typing per month, 90 days of version history, and Standard AI usage with the full multi-model AI Chat Hub (ChatGPT, Claude, Gemini, DeepSeek, GLM, Grok). Team — $40/user/month ($36/user/month billed annually) For professionals and growing teams. Includes unlimited workspace members, 5 GB file uploads, 630 minutes of voice typing per month, 180 days of version history, and Advanced AI usage with priority access to top models. All plans include a 14-day free trial of paid features. Educational and non-profit discounts are available — contact support. Prices are in USD.
Free Version
Supported
Free Trial
Not Supported
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Pricing
Free
Free Version
Supported
Free Trial
Not Supported
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Reviews/
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Reviews/
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Training
Documentation
Supported
Webinars
Not Supported
Live Online
Not Supported
In Person
Not Supported
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Training
Documentation
Supported
Webinars
Not Supported
Live Online
Not Supported
In Person
Not Supported
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Company InformationBrainfo
Founded: 2025
Canada
brainfo.ai
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Company InformationThirdLayer
United States
www.joindex.com
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Categories |
Categories |
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Note-Taking Features
Categories / Organization
Supported
Clip From Web
Supported
Document Scanning
Not Supported
Formatting / Markdown
Supported
Handwriting
Supported
Hyperlinking
Supported
Image Insertion
Supported
List/Checklist Creation
Supported
Printing
Supported
Search
Supported
Sharing / Collaboration
Supported
Syncing
Supported
Templates
Not Supported
Voice Notes
Supported
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Integrations
Asana
Not Supported
Claude
Supported
DeepSeek
Supported
GPT-5.4
Supported
Gemini
Supported
Gmail
Not Supported
Google Calendar
Not Supported
Google Chrome
Not Supported
Google Docs
Not Supported
Google Drive
Not Supported
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Integrations
Asana
Supported
Claude
Not Supported
DeepSeek
Not Supported
GPT-5.4
Not Supported
Gemini
Not Supported
Gmail
Supported
Google Calendar
Supported
Google Chrome
Supported
Google Docs
Supported
Google Drive
Supported
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