Xournal++ - Xournal++ is a handwriting notetaking software with PDF annotation support. Written in C++ with GTK3, supporting Linux (e.g. Ubuntu, Debian, Arch, SUSE), macOS and Windows 10. Supports pen input fr...
OneNote - Get the OneNote app for free on your tablet, phone, and computer, so you can capture your ideas and to-do lists in one place wherever you are. Or try OneNote with Office for free.
xournal - Lightweight notetaking and sketching app.
Stylus Labs Write - Write is a word processor for handwriting, designed primarily for tablets with an active stylus.
Jarnal - Jarnal is an open-source application for notetaking, sketching, keeping a journal, making a...
Microsoft Whiteboard - The canvas where ideas, content, & people come together.