nvALT 2 is a fork of the original Notational Velocity with some additional features and interface modifications, including MultiMarkdown functionality. Developed by Brett Terpstra
License: Open Source
nvALT is a lightweight note-taking app focused on simplicity and speed, ideal for text-based notes, while Penzu offers a richer set of features including multimedia support and journal prompts, making it more suitable for personal journaling and reflective writing.