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@@ -849,6 +849,7 @@ These providers offer apps and services filled with data trackers. Also, most of
 - [TinyList](https://tinylist.app/) - Create and share notes and checklists, without sacrificing your privacy.
 - [Trilium Notes](https://github.com/zadam/trilium) - Build your personal knowledge base with Trilium Notes 
 - [Vikunja](https://vikunja.io) - The open-source to-do app to organize your life.
+- [Xournal++](https://xournalpp.github.io/) - Open source app for note taking and annotating PDF files. 
 - [YankNote](https://github.com/purocean/yn) - A Hackable Markdown Note Application for Programmers.
 
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