| Nrack | Root namespace for the Rack API |
| Napp | Rack's custom UI widgets that control the Rack state and engine |
| Nplugin | Loads and manages Rack plugins |
| Nengine | High-performance classes handling modules and voltage signals between them |
| Nasset | Handles common path locations |
| Naudio | Abstraction for all audio drivers in Rack |
| Ncolor | Utilities for NVGcolor |
| Ncomponentlibrary | Library of Rack components: knobs, ports, lights, switches, buttons, etc |
| Nhistory | Action history for UI undo/redo |
| Nwindow | Handles OS windowing, OpenGL, and NanoVG |
| Npatch | Handles the Rack patch file state |
| Nwidget | Base UI widget types |
| Nmidiloopback | |
| Ndsp | Digital signal processing routines and classes |
| Ngamepad | Gamepad/joystick/controller MIDI driver |
| Nkeyboard | Computer keyboard MIDI driver |
| Nlibrary | Synchronizes plugins with the VCV Library and handles VCV accounts with the vcvrack.com API |
| Nlogger | Logs messages to a file or the terminal |
| Nmath | Extends <cmath> with extra functions and types |
| Nmidi | Abstraction for all MIDI drivers in Rack |
| Nnetwork | Networking functions for HTTP requests, downloads, and URLs |
| Nui | Common graphical user interface widgets |
| Nrandom | Random number generation |
| Nsettings | Process-scope globals, most of which are persisted across launches |
| Nsimd | Abstraction of aligned types for SIMD computation |
| Nstring | Supplemental std::string functions |
| Nsystem | Cross-platform functions for OS, file path, and filesystem routines |
| Ntag | Tags describing the function(s) of modules |
| Nevent | Deprecated Rack v1 event namespace |
1.15.0