Your Knowledge, Connected.
A graph-based knowledge system that reads your documents, notes, and references - and answers questions with citations. Local-first. No manual tagging.
The Real Cost of Scattered Knowledge
of a knowledge worker's time is spent searching for information instead of doing meaningful work
per week lost to duplicating work and reinventing the wheel across disconnected tools
of professionals settle for "good enough" sources when the right information is not immediately findable
of web-referenced sources suffer from reference rot - linked context disappears over time
Built for How You Actually Work
From first source to final deliverable - NexaLink keeps your entire knowledge base connected, searchable, and cited.
Semantic Search Across Everything
Ask a question in plain language and get answers drawn from your documents, notes, and highlights - with citations back to the exact source.
Automatic Concept Extraction
NexaLink reads your documents and notes, extracts key concepts, claims, and entities, then links them across your entire collection.
Cross-Source Connections
Surfaces relationships between documents, notes, and references that you would not find with keyword search. Discover unexpected links across domains.
Knowledge Health Dashboard
See which areas of your knowledge base are well-covered and where gaps exist. Track coverage, freshness, and connection density.
Local-First, Private by Default
Your data stays on your machine. No cloud sync required. No vendor lock-in. Export everything at any time.
Cited Answers, Not Hallucinations
Every answer links back to the specific passage, page, or note it came from. Verify claims instantly.
Ask a Question. Get a Cited Answer.
Think NotebookLM - but it works continuously.
JWT-based authentication with refresh token rotation. Owns cross-service auth for all downstream APIs.
Decision to migrate to JWT driven by cross-service auth requirements for billing integration.
Tech lead for Identity & Auth squad. Led JWT migration and owns auth service architecture.
Works With Your Existing Tools
Import from the tools you already use. NexaLink reads your files, watches for changes, and keeps your graph up to date.
Built for professionals who think in connections, not folders.
Frequently Asked Questions
Everything you need to know about NexaLink and how it works.
Ready to Connect Your Knowledge? Start Free.
NexaLink is free for personal use. No credit card required.
We typically respond within 24 hours on business days.