Mindex captures, connects, and surfaces everything you know — transforming scattered thoughts into structured intelligence you can actually use.
The human mind excels at pattern recognition, creative synthesis, and making unexpected connections. It's terrible at rote memorisation and perfect recall.
Mindex handles the storage so your mind can focus on what it was built for: thinking.
We call it the Second Brain Principle — augment biological intelligence with a structured, queryable, interconnected knowledge system that grows with you.
Web clipper, mobile app, email forwarding, voice notes, and API ingestion. If it matters, Mindex catches it — regardless of where you are or what device you're using.
Our models don't just store your notes — they read, summarise, cross-reference, and surface unexpected connections across everything you've ever saved.
Every note becomes a node. Every connection becomes an edge. Navigate your thinking spatially and discover ideas you'd long forgotten — or never consciously knew you had.
Ask Mindex anything in natural language. It searches, synthesises, and responds with citations. Your second brain answers in seconds what your first brain couldn't find in hours.
Mindex surfaces the right knowledge at the right time using spaced repetition science. You don't just store knowledge — you actually retain it.
End-to-end encryption. Zero-knowledge architecture. Your thoughts belong to you — not our servers, not our models, not our investors. Full stop.
Bring everything in — articles, PDFs, voice memos, screenshots, emails, YouTube transcripts, and raw thoughts.
AI auto-tags, clusters, and links related content. You curate; the system structures. Zero manual filing required.
Mindex draws connections across domains — your finance notes linking to your psychology reading to your business strategy.
Query your brain in plain language. Export to documents. Share with teammates. Let your knowledge compound into creative output.
Three tiers. One goal: make you genuinely smarter over time.
The essentials. Perfect for solo thinkers just beginning to build their second brain.
The full second brain. For serious knowledge workers who compound their thinking daily.
Team intelligence infrastructure. For organisations that treat knowledge as a strategic asset.
"I've tried every note-taking system since 2015. Mindex is the first one where I actually find things I wrote two years ago. The knowledge graph alone is worth the price of admission."
"As a researcher, I consume 50+ papers a month. Mindex synthesises across all of them and surfaces connections my brain never would have made. It genuinely accelerates discovery."
"We deployed Mindex across our 18-person strategy team. The shared knowledge graph turned three years of tribal knowledge into something we can actually query. Game-changing."
Start free. Upgrade when you're ready to go deep. No commitment, no credit card required.
Claim Your Brain