Best Lorien Alternatives ranked by AI · updated Aug 2026

💡 Pick it for a more mature open-source stylus and PDF-annotation workflow, especially on Linux.

Rnote is an open-source note-taking and sketching app for Linux, designed for stylus, touchscreen, and mouse input. It uses an infinite canvas...

💡 Pick it when collaboration, browser access, and shareable diagrams matter more than local-first handwriting.

Excalidraw is an open-source virtual whiteboard for hand-drawn diagrams, sketches, and lightweight collaboration. It suits developers, educators, and teams that want a...

💡 Pick it for synchronized notebooks, handwriting, and collaboration across many devices.

OneNote is a digital notebook for capturing and organizing notes.

💡 Pick it for precision vector sketching, professional drawing tools, and a stronger tablet experience.

Concepts is a digital design sketchbook for creative professionals. It offers a natural drawing experience with a vast array of tools.

💡 Pick it when linked knowledge management and Markdown files matter more than handwriting and sketching.

Obsidian is a powerful knowledge base that works on top of a local folder of plain text Markdown files.

💡 Pick it for free, local PDF annotation and handwritten notes rather than an unrestricted visual canvas.

Xournal++ is a handwriting notetaking software with PDF annotation support.