There are 2 repositories under notational-velocity topic.
Notational velocity for vim.
Use Alfred to quickly open notes in iCloud/Apple Notes.
:memo: Textual Velocity - Notational Velocity-like note taking for Atom
A portable notational velocity for your shell written in POSIX shell.
Ulauncher extension to search, store and retrieve plain text notes, inspired by NotationalVelocity
Notational Velocity package for Atom, based on nvatom
A poor man's Notational Velocity
display all the text notes in a masonry layout by last modified time.