SpeedyNote

SpeedyNote is a fast, open-source note-taking application designed for

stylus users who need iPad-quality annotation on budget hardware. Built

with native C++ and Qt, it delivers 360Hz stylus input on hardware as

modest as an Intel Celeron N4000 at 1.1GHz — with no Electron bloat.

Annotate PDFs with pressure-sensitive inking tools including pen, marker,

and highlighter, all rendered as vector strokes that zoom infinitely

without pixelation. Organize your work with multi-layer editing, paged

notebooks, or infinite edgeless canvases with lazy-loading tiles.

Key features include:

Instant PDF loading with clickable internal links and outline navigation

Multi-layer editing with add, delete, reorder, and merge operations

Touch gestures: two-finger pan, pinch-to-zoom, and palm rejection

Cross-platform note sharing via .snbx notebook packages

Powerful command-line interface for batch PDF export and notebook management

Multi-tab editing to work on multiple documents simultaneously

Auto-save so you never lose work