Tomboy is a desktop note-taking application for Linux, Unix, Windows, and Mac OS X. Developed by Alex Graveley
License: Open Source
nvALT is a lightweight note-taking app focused on simplicity and speed, primarily designed for Mac users with a strong emphasis on Markdown support. Tomboy, on the other hand, is a cross-platform note-taking application that offers rich text editing, tagging, and linking features, making it more versatile for collaborative work.