Your notes, books, and thoughts.
Connected in one spatial universe.
Drop in PDFs, EPUBs, video lectures, and notes. ATLAS connects your reading, active recall, spatial cards, and 3D maps into a living body of knowledge you own on your disk.
Designed for how your mind actually works
No scattered browser tabs, no proprietary locks. Everything you read, sketch, and learn stays in sync in one desktop application.
Knowledge Universe Map
Transform isolated documents into a living neural web. Connect books, notes, topics, and flashcards into an interactive map that helps you locate missing links and revisit past insights.
- 3D node graph visualization with real-time physics
- Bi-directional linking between documents & cards
- Cluster discovery by domain or tag
Native PDF & EPUB Reader
Read textbooks, research papers, and books directly inside the workspace. Extract highlights directly into active-recall flashcards or margin notes without switching apps.
- Native PDF and EPUB rendering
- Instant highlight-to-card pipeline
- Split-screen side-by-side note taking
Visual Canvas & Drawing
Write, sketch, and diagram freehand alongside your reading material. Combine typed markdown with fluid handwriting for complex concepts that text alone cannot capture.
- Pen & tablet drawing support
- Embedded topic canvas diagrams
- Seamless combination of handwriting and text
Spatial Cards & Socratic AI Tutoring
Arrange flashcards on a spatial workspace, test retention, and converse with an AI assistant grounded directly in your selected research corpus.
- Freeform spatial card arrangement with Spaced Repetition (SRS)
- Context-aware Claude partner for difficult concepts
- Automatic card creation from reading passages
Active Video Lectures & AI Quiz
Stop watching videos passively. ATLAS inspects transcripts in real time to generate comprehension checks, key takeaway summaries, and quiz questions as you watch.
- Interactive YouTube video player with transcript sync
- Real-time transcript analysis & AI quizzes via Claude
- Timestamped bookmarking directly into notes
One-Click Web Publishing
Turn any topic, synthesis, or document into a clean, publishable web page. Share your research with colleagues or students without leaving your desktop app.
- Clean web output generation
- Preserves markdown formatting, media, and diagrams
- No complex web hosting configuration required
Everything you need to master complex subjects
Engineered for depth, speed, and long-term retention.
100% Local-First & Private
Your notes, PDFs, and data stay on your device file system. Complete control, zero lock-in, and offline reliability.
Spaced Repetition (SRS)
Built-in review scheduling calculates optimal review intervals so you never forget crucial knowledge items.
Rich Markdown & Math
Full support for GitHub Flavored Markdown, LaTeX math formatting, code blocks with syntax highlighting, and media embeds.
Exam & Quiz Generator
Generate practice tests automatically from selected topics and documents to test your comprehension under exam-like conditions.
Plugins & Marketplace
Extend ATLAS with custom plugins, community-created study packs, and specialized research tools.
Custom Routines & Planning
Organize daily study goals, track review streaks, and maintain steady momentum across long-term research projects.
Transparent, Sovereign Licensing
Get started with Core Desktop for offline local study, or subscribe to Pro for deep Claude AI document reasoning and synthesis.
Complete offline desktop sovereignty for solo students, researchers, and writers.
- Unlimited local SQLite & Markdown notes
- 3D spatial knowledge graph visualization
- Native PDF & EPUB reader with margin annotations
- Freehand drawing canvas & visual diagrams
- Spaced Repetition (SRS) flashcard engine
For power researchers synthesizing dense paper archives, lecture videos, and monographs.
- Multi-Document Claude Synthesis: Semantic literature queries across your entire paper archive
- Interactive Video Lectures: Automatic transcript comprehension checks & quizzes from YouTube
- AI Flashcards from Notes: Generate active-recall card decks directly from highlighted passages
- Card Chat & Examination: Interactive Socratic tutoring per card and automated practice exams
- Priority model throughput and prompt cache acceleration
- Encrypted end-to-end cloud sync across desktop clients
Download ATLAS Workspace for Desktop
Start building your personal knowledge system today. Available for Windows, macOS, and Linux.
Join the ATLAS Community
Share study decks, suggest features, test new builds, and discuss learning workflows directly with the developers and other researchers.