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Your AI-Powered
Second Brain

Capture notes, links, and files — AI auto-tags, organizes, and lets you search by meaning so you never lose a great idea again.

Free forever for individuals • Privacy-first • No credit card required

4 GitHub stars|2,425+ tests passing|Open source & free
10TILs Published
11Collections Shared
547Notes Captured
32Knowledge Builders

See it in action

Watch how Mindweave helps you capture, organize, and rediscover your knowledge.

See how it works

Click a feature to explore it in detail.

Quick Capture

Save notes, links, and files in seconds. Paste a URL, type a thought, or drop a file — Mindweave handles the rest. One interface for all your knowledge.

  • Notes, links, and file uploads
  • Auto-extracts titles and metadata from URLs
  • Capture from web, Chrome extension, or Android
Try it free
NoteLinkFile
Meeting notes — Q1 planning
Key decisions from today's meeting: 1) Launch MVP by March. 2) Focus on semantic search as differentiator. 3) Chrome extension priority...
Save

Four steps. Total recall.

Save it once and let AI handle the rest.

1

Capture anything

Notes, links, files.

Type a thought, paste a URL, or drop a file. One click and it's saved.

2

AI does the rest

Tags, summaries, embeddings.

Gemini auto-tags, summarizes, and creates vector embeddings. Zero manual work.

3

Find it instantly

Search by meaning.

Semantic search finds related ideas, not just keyword matches. Or just ask a question.

4

Never forget again

Your second brain.

Every idea resurfaces when you need it. Recommendations, clusters, and insights — all automatic.

How Mindweave compares

See what sets Mindweave apart from existing knowledge tools.

Semantic search (by meaning)
AI auto-tagging
Knowledge Q&A (RAG)
Open source / self-host
Vector embeddings
AI Flashcards & Spaced Repetition
Gamification & Badges
Knowledge Marketplace
Embeddable Knowledge Cards

Compared to Notion, Evernote, and Obsidian

Built for curious minds

See how people like you use Mindweave every day.

Researchers

From papers to breakthroughs

Organize papers, notes, and findings. Ask questions across your entire research corpus.

  • Save PDFs & annotate highlights
  • Ask questions across your entire corpus
  • Auto-tag by methodology, topic, and field

Developers

Your personal Stack Overflow

Save code snippets, docs, and Stack Overflow answers. Semantic search finds the right solution fast.

  • Save code snippets, docs & error fixes
  • Semantic search finds the right solution fast
  • Never re-Google the same problem twice

Students

Study smarter, not harder

Capture lecture notes, readings, and study materials. AI-powered review when exams hit.

  • Capture lecture notes & reading highlights
  • AI flashcards with spaced repetition for exams
  • Organize by course, semester, and topic

Content Creators

From inspiration to publication

Bookmark inspiration, draft ideas, and resurface references when creating new content.

  • Bookmark references, images & quotes
  • Resurface the perfect example when creating
  • Track ideas from spark to finished piece

Professionals

Never lose institutional knowledge

Track meeting notes, decisions, and project knowledge. Never lose institutional memory.

  • Track meeting notes & key decisions
  • Share curated knowledge with your team
  • Search across months of project history

Lifelong Learners

Build your second brain

Save articles, podcasts, and book highlights. Build a personal knowledge base that grows with you.

  • Save articles, podcasts & book highlights
  • Connect ideas across disciplines
  • Grow a knowledge base that compounds over time

Beyond the basics

Mindweave keeps shipping. Here's what else is in the box.

Collaborative Collections

Share collections with role-based access

Daily Highlights

AI-powered daily content spotlight

Content Templates

Quick-start templates for common note types

Voice Capture

Speak your ideas, AI transcribes them

Screenshot OCR

Extract text from images with Gemini Vision

URL Summarizer

Auto-summarize articles and YouTube videos

Reminders

Spaced repetition review scheduling

Webhook Integrations

Connect to Slack, Discord, and custom APIs

Knowledge Wrapped

Shareable year-in-review stats

TIL Public Feed

Share bite-sized learnings publicly

Version History

Track and compare content changes

API Access

REST API with key-based auth for integrations

Available everywhere

Capture knowledge from any device, any browser, anywhere.

Web App

Full-featured dashboard for capturing, searching, and managing your knowledge base from any browser.

Coming Soon

Android App

Capture ideas on the go. Share links and notes directly from any app to your Mindweave knowledge base. Currently in Closed Testing.

Command palette for power users

Navigate, search, and take action without ever leaving your keyboard.

Everything at your fingertips+K

  • Instant search across your entire knowledge base
  • Quick navigation to any page with keyboard shortcuts
  • Recently visited pages for fast context switching
  • Theme switching (Light / Dark / System) in one click
  • Fast actions: New Note, Ask AI, Keyboard Help
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Open Source

Built in the open

Mindweave is fully open source. Explore the code, contribute, or self-host your own instance.

2,425+ tests passing|TypeScript strict|MIT License
Next.js 15TypeScriptPostgreSQLpgvectorTailwind CSSAuth.jsDrizzle ORMGemini AI

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