| ▼Njem | This namespace contains the fundamental classes that are used in all other packages of Jem |
| Ngl | This namespace contains classes and functions for building OpenGL-based graphics applications |
| Nhdf5 | This namespace exports classes for accessing HDF5 files |
| Nio | This namespace contains classes and functions that provide support for input and output operations |
| ▼Nmp | This namespace provides support for building parallel message passing programs |
| Nmt | |
| Nuni | |
| Nmt | This namespace provides support for building multi-threaded parallel programs |
| ▼Nnumeric | This namespace provides support for developing numerical algorithms and applications |
| Nufunc | |
| Nstd | This namespace provides support for using the standard library |
| Nutil | This namespace exports various container classes and an event framework |
| Nxml | This namespace contains classes and functions dealing with XML documents |
| Nxutil | This namespace exports extra utility classes and functions |
| ▼Njive | |
| Nalgebra | This namespace contains classes that implement common matrix-vector operations |
| Napp | The classes and functions in this namespace provide a modular application framework |
| Nfem | The classes and functions in this namespace can be used to develop finite element applications |
| Nfemodel | This namespace exports a collection of finite element models |
| Ngeom | This namespace contains a collection of shape classes that encapsulate the geometrical properties of a finite element |
| Ngl | The classes and functions in this namespace can be used for viewing meshes |
| Ngraph | This namespace contains classes and functions to deal with graphs |
| Nimplict | This namespace exports modules for solving systems of equations implicitly |
| Nmbody | This namespace contains various classes and functions that can be used in multi-body simulations |
| Nmesh | The classes and functions in this namespace can be used to generate meshes |
| Nmodel | The classes and functions provide a framework for implementing modular, numerical models |
| Nmp | This namepace contains basic components for building parallel, numerical programs |
| Nsolver | This namespace contains classes and functions for solving linear systems of equations |
| Nutil | This namespace contains various classes and functions for storing and manipulating frequently used data structures |
| Nstd | |