01CAPTURE
Write naturally. Don't worry about organizing.
Type raw thoughts, meetings, reminders, or notes into Quick Capture. No manual tags or folder sorting required.
✨ FREE PUBLIC BETA
Turn messy thoughts into a plan.
Capture anything. SecondBrain uses AI to turn it into notes, tasks and calendar events — automatically.
SecondBrain Quick Capture AI Transformation
QUICK CAPTURE OMNI-BOXAI Ready
"Prepare the product launch, review the presentation, and schedule a meeting with the team on Monday."
✨ SecondBrain is organizing your thought...
📝 NOTECreated
Product Launch
Folder: #Work · Auto-summary & launch plan references attached.
✓ TASKPending
Review presentation
Priority: High · Linked to Product Launch
📅 CALENDARMonday
Team Meeting
Timezone Synced · Monday
THOUGHT→AI UNDERSTANDS→NOTE + TASK + CALENDAR
One thought. Everything connected.
SecondBrain connects your ideas, tasks, knowledge, documents and calendar so you can focus instead of organizing.
HOW IT WORKS
From thought to action in seconds.
Three simple steps to transform raw mental chaos into a clear execution plan.
02UNDERSTAND
AI detects your intent, tasks, dates and context.
SecondBrain AI interprets what you typed, extracts action items, identifies due dates, and links related knowledge.
03ACT
Your information becomes connected and actionable.
Your thought instantly splits into a structured note, prioritized task, and calendar event — ready to execute.
PERSONAL AI ASSISTANT
Ask your SecondBrain anything.
Your AI isn't just a chatbot. It understands your personal context.
SecondBrain AI Assistant
Contextual RAG Reasoning
"What should I focus on today?"
Here's what matters today:
1Review product presentation
2Prepare launch campaign
3Team meeting — Monday
Based on your tasks, notes and calendar.3 Sources Verified
CONNECTED KNOWLEDGE ENGINE
AI that knows your context.
Ask questions and get answers based on your own information.
Notes
Tasks
Calendar
Documents
Bookmarks
SecondBrain AI Engine
Searches across your notes, tasks, calendar events, documents, and bookmarks simultaneously.
WORKSPACE PREVIEW
Your entire workspace. Finally connected.
Notes, tasks, calendar, documents and AI — working together in one place.
SecondBrain Workspace Preview — Dashboard
MODULES
Today's Focus & Agenda
Live SyncedMeeting with Rahul4:00 PM
Review Q3 Budget Report3:00 PM (Task)
AI WORKSPACE INSIGHT
"You have 1 meeting at 4 PM and 2 tasks due today. All references are attached to your project notes."
CORE FEATURES
Everything your brain needs. One workspace.
Built around the 6 core pillars of personal productivity and AI reasoning.
🧠 AI Assistant
Ask questions and get help using your own context.
📝 Smart Notes
Capture and organize ideas without friction.
✓ Tasks
Turn ideas into actionable work.
📅 Calendar
Keep plans, deadlines and meetings connected.
📂 Documents
Keep important files alongside your knowledge.
🔖 Bookmarks
Save useful information without losing context.
+ more built in
UNIFIED VALUE
All the tools. One brain. 🧠
A comparable paid productivity stack can easily add up.
Stop paying for a pile of subscriptions just to manage your life.
SecondBrain brings your notes, tasks, calendar, documents, bookmarks and AI into one connected workspace.
SEPARATE TOOLS
Multiple apps & subscriptions
₹5,000+/ month
A comparable productivity stack adds up quickly:Fragmented
Notes & WorkspaceNotion Plus
Tasks & PlanningTodoist Pro
SchedulingCalendly Standard
AI AssistantChatGPT Plus
Cloud StorageGoogle One 100GB
File StorageDropbox Plus
*Approximate INR conversion of the provider's public USD price where official local pricing is unavailable. Actual checkout price may vary by region, taxes and plan.
BRING IT TOGETHER↓
SECOND BRAIN 🧠
₹399/ month
Notes • Tasks • Calendar • AI
Documents • Bookmarks • Search
Documents • Bookmarks • Search
ONE WORKSPACE. ONE CONTEXT.
SEPARATE TOOLS
Multiple apps & subscriptions
₹5,000+/ month
A comparable stack adds up quickly:Fragmented
Notes & WorkspaceNotion Plus
Tasks & PlanningTodoist Pro
SchedulingCalendly Standard
AI AssistantChatGPT Plus
Cloud StorageGoogle One 100GB
File StorageDropbox Plus
*Approximate INR conversion of provider USD prices.
BRING IT TOGETHER↓
SECOND BRAIN 🧠
₹399/ month
Notes • Tasks • Calendar • AI
Documents • Bookmarks • Search
Documents • Bookmarks • Search
ONE WORKSPACE. ONE CONTEXT.
Stop switching. Start connecting.
Your ideas, tasks, calendar, documents and AI — together.
TRANSPARENT PRICING
Start free. Upgrade when you need more.
SecondBrain is currently in free public beta.
Free Beta
ACTIVE$0/ forever free
Full core feature access in free beta.
Unlimited Notes & Markdown Editor
Task Management & Priority Flags
Calendar & Event Scheduling
Document Storage Vault (1 GB)
Smart Bookmark Manager
Personal AI Assistant (20 actions/day)
Quick Capture & Auto-Tagging
Pro Plan
Coming soon$12per month (Coming Soon)
Heavy-duty AI reasoning & expanded vault storage.
🚀 1,000 AI actions / day (50x higher limit)
🧠 Deep Context RAG (Remembers all notes, tasks & docs)
🔍 Neural Semantic Search across full workspace
⚡ Automatic Note-to-Task & Calendar Scheduling
📂 10 GB Document Storage (100 MB max upload)
🎯 Priority AI Speed & Model Latency
📅 Unlimited Calendar Sync & Recurring Events
✨ Priority Access to New AI Features
FREQUENTLY ASKED QUESTIONS
Everything you need to know.
What is SecondBrain?
SecondBrain is a unified AI operating system that combines your notes, tasks, calendar events, documents, and bookmarks into one intelligent workspace.
How does AI organize my thoughts automatically?
When you type raw text into Quick Capture, AI interprets your intent, detects due dates, tasks, and tags, and creates structured note, task, or calendar items automatically.
Is my data private and secure?
Yes. All user data is isolated with PostgreSQL Row Level Security (RLS) policies and encrypted authentication via Supabase.
How does the free public beta work?
During public beta, you get free access to all core features including 20 daily AI actions, notes, tasks, calendar, documents, and bookmarks.
Your brain has enough tabs open.
Put your ideas, tasks, knowledge and AI in one place.
Get Started Free →Free public beta.
SecondBrain
Your AI Operating System