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
Notezilla offers a more feature-rich experience with rich text formatting and cross-platform capabilities, making it suitable for users who need advanced note-taking features. In contrast, nvALT is a lightweight alternative that focuses on simplicity and speed, making it ideal for users who prefer a straightforward, Markdown-based note-taking approach.