When comparing Xournal++ vs VNote, the Slant community recommends Xournal++ for most people. In the question“What are the best note taking apps for UNIX-like systems?” Xournal++ is ranked 15th while VNote is ranked 17th. The most important reason people chose Xournal++ is:
Fill shape functionality, shape drawing (line, arrow, circle, rect, spline), shape resizing and rotation.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Advanced PDF annotation tools
Fill shape functionality, shape drawing (line, arrow, circle, rect, spline), shape resizing and rotation.
Pro Supports pen input from devices such as Wacom tablets
Pro LaTeX support (requires a working LaTeX install)
Pro PDF, PNG export
PDF Export (with and without paper style);
PNG Export (with and without transparent background)
Pro Grid and rotation snapping
Pro SUPPORT
Pro Plugins using LUA scripting
Pro Audio recording and playback alongside with handwritten notes
Pro Able to attach files to a note
Pro Markdown
Markdown note-taking app.
Pro Free, open source
Source code is available via https://github.com/tamlok/vnote/
Pro Fast, uses C++ and QT Frameworks
Pro Supports MathJax, Mermaid Diagrams, Flowchart.js
Pro Vim Mode
Pro Can be synced using third-party synchonization services
All files on your local disk. Utilize third-party synchronization services to work from anywhere seamlessly. (taken from https://tamlok.github.io/vnote/)