Browser: Free. Native app for iPhone, iPad and Mac: €14.99/$12.99 at launch (regular €19.99/$19.99), one-time purchase across all three devices, no subscription.
Not given
Key features
Fully offline with no server required
Real folders on disk and Markdown files
Automatic version history with restore
Sync via user's own cloud folder (iCloud, Dropbox)
Nested folders to any depth
Freehand drawing with pen and color
Magnetic arrows for connecting elements
Full-text search across all folders
Interactive to-do lists on canvas
Open and save .pptx PowerPoint files
Text, images, charts, and vector shapes
Fills, gradients, and formatting options
Transitions and animations
Speaker notes and presenter tools
Slide sections for organization
WebAssembly browser editor
Desktop apps for Mac, Windows, and Linux
What makes it different
No account or server: your data never leaves your device
Real files you own: folders are real folders, documents are Markdown files
Works fully offline with no internet dependency
Automatic sync through your own cloud (iCloud or Dropbox)
Native apps for iPhone, iPad and Mac showing full canvas
Completely free with no subscription required
Open-source code that users can inspect and improve
visualOS
DeckCraft