Xournal++
描述：
Xournal++ is a hand note taking software written in C++ with the target of flexibility, functionality and speed.
特徵：
- Support for pen pressure, e.g. Wacom Tablet
- Support for annotating PDFs
- Fill shape functionality
- PDF Export (with and without paper style)
- PNG Export (with and without transparent background)
- Allow to map different tools / colors etc. to stylus buttons / mouse buttons
- Sidebar with Page Previews with advanced page sorting, PDF Bookmarks and Layers (can be individually hidden, editing layer can be selected)
- enhanced support for image insertion
- Eraser with multiple configurations
- Significantly reduced memory usage and code to detect memory leaks compared to Xournal
- LaTeX support (requires a working LaTeX install)
- bug reporting, auto-save, and auto backup tools
- Customizable toolbar, with multiple configurations, e.g. to optimize toolbar for portrait / landscape
- Page Template definitions
- Shape drawing (line, arrow, circle, rect, splines)
- Shape resizing and rotation
- Rotation snapping every 15 degrees
- Rect snapping to grid
- Audio recording and playback alongside with handwritten notes
- Multi Language Support, Like English, German (Deutsch), Italian (Italiano)…
- Plugins using Lua scripting
