One Workspace Per Project. Everything You Need Inside.
Create a deck for each subject, project, or goal. Inside: AI chat, notes, tasks, flashcards, journals, and more—all without app-switching.
Currently available for macOS only. Windows and Linux versions coming soon.
AI Study Assistant
Full ChatGPT built into your decks with three specialized AI modes
* AI features require your own OpenAI API key. Built-in AI subscriptions coming soon.
Full ChatGPT Built In
Complete ChatGPT interface with GPT-5 and GPT-4o support. Chat, ask questions, and get instant explanations while you study.
Three AI Modes
Study Mode generates flashcards and notes. Feynman Mode identifies knowledge gaps. Conversational for Q&A.
Review Before Importing
AI creates study materials automatically, but you have full control. Accept, inspect, edit, or decline suggestions.
Smart Flashcards
Science-backed spaced repetition with rich media support
Spaced Repetition Algorithm
Science-backed spaced repetition maximizes long-term retention by reviewing cards at the perfect moment before you forget them.
Rich Content & Media
Embed YouTube videos, images, and rich text formatting directly in your flashcards. Perfect for visual learners.
AI-Powered Generation
Generate 1-30 flashcards instantly on any topic using GPT-4o. Review, customize, and import only the cards you want.
Professional Notes
Full-featured rich text editor with multimedia support
Rich Text Editor
Full-featured editor with headers, lists, bold, italic, links, code blocks, and more. Powered by Slate.js for a professional writing experience.
Embed Videos & Images
Add multimedia content directly into your notes. Perfect for creating comprehensive study guides with visual aids.
AI Can Generate Notes
In Study Mode, AI automatically creates detailed notecards for concepts that need explanation alongside flashcards.
Video Library
Curate educational videos with YouTube integration
Curate Educational Videos
Build your own video library with YouTube integration. Search and add videos without leaving the app.
Attach Notes & Flashcards
Add notes directly to videos with timestamps. Create flashcards for important points you don't want to forget.
Smart Metadata
Titles and descriptions auto-populate from YouTube. Organize with tags and categorize your video library.
Kanban Task Board
Visual drag-and-drop task management per deck
Visual Task Management
Track study goals, content creation, and project tasks with a drag-and-drop Kanban board. Organize by subject/course.
To Do → In Progress → Done
Three-column workflow with instant drag-and-drop. Move tasks between columns and reorder with smooth animations.
Rich Task Details
Add detailed notes to any task. Track creation and update dates. Bulk delete completed tasks with one click.
Quick-Capture Sticky Notes
Fastest way to capture ideas with color-coded organization
Press Enter to Create
Fastest way to capture ideas. Type a note and press Enter— done. Perfect for brainstorming and quick reminders.
Color-Coded Organization
Four colors (yellow, pink, blue, green) for visual organization. Change colors to categorize by priority.
Drag & Drop + Inline Editing
Arrange notes exactly how you want. Click to edit inline with auto-save. Copy to clipboard with one click.
Timeline Journal
Social-media-style journaling with image support
Social-Media-Style
Timeline-based feed with markdown support. Document your learning journey, project progress, or daily reflections.
Add Up to 4 Images
Drag, drop, or paste images directly. Smart layouts automatically adapt to 1-4+ images with lightbox viewing.
Multiple Journal Books
Create separate journals for different topics, projects, or time periods. Each deck can have multiple journal books.
Tables & Databases
Structured data tables with 13 column types and smart aggregations
13 Column Types
Text, number, date, select, multi-select, currency, percentage, rating, URL, email, phone, boolean, and datetime.
Inline Editing & Aggregations
Click any cell to edit with type-specific inputs. Auto-calculate sums, averages, min/max in column headers.
Templates & Search/Sort
Save table structures as templates. Search across columns and sort by any field with type-aware comparison.
Powerful Organization
Decks, collections, tags, search, and filters
Decks & Collections
Group related content into decks (one per subject/project). Organize decks into collections by topic or category.
All 8 Tools in Every Deck
Each deck contains AI Chat, Flashcards, Videos, Rich Notes, Kanban Board, Sticky Notes, Journal, and Tables.
Tags, Search, & Filters
Tag content across all types. Powerful search finds anything instantly. Filter by content type or view everything together.
Stop Juggling Apps. Start Making Progress.
Most productivity tools force you to choose: simple but limited, or powerful but overwhelming. Decks gives you both—eight tools that work together without the complexity.
Why Decks?
- One workspace per project—everything in one place
- Simple, clean UI—no complexity overload
- Eight powerful tools that actually work together
- AI chat, notes, tasks, flashcards, journal, videos, tables
- Lifetime access after one purchase
- $20/year for updates—optional renewal
- All data stored locally on your device
Common Alternatives
- Complex UI requires hours to learn
- Tools scattered across multiple apps
- Generic productivity tools, not purpose-built
- Endless configuration and setup time
- Monthly fees that add up fast ($10-20/mo)
- Locked into subscriptions forever
- Data stored on remote servers
Own Your Second Brain Forever
One purchase. Lifetime access. No subscription trap.
- All features included from day one
- All updates free for the first year
- Optional $20/year renewal for continued updates
- Keep your current version forever if you don't renew
Currently available for macOS only. Windows and Linux versions coming soon.