macOS
Homebrewverified · 100%
brew install netcdf-cxxlocal Homebrew formula metadata
MacPortsverified · 94%
sudo port install netcdf-cxxMacPorts ports tree · science/netcdf-cxx/Portfile · source: api.github.com
brew
Install netcdf-cxx with Homebrew, apt, dnf, MacPorts, pacman
C++ libraries and utilities for NetCDF. Version 4.3.1 via Homebrew; verified 2026-06-22.
install
Additional install commands
Linux
Debian aptverified · 92%
sudo apt install libnetcdf-c++4-1Debian stable package indexes · libnetcdf-c++4-1 · source: deb.debian.org
Fedora dnfverified · 92%
sudo dnf install netcdf-cxxFedora Rawhide package metadata · netcdf-cxx · source: dl.fedoraproject.org
Arch Linux pacmanverified · 92%
sudo pacman -S netcdf-cxxArch Linux sync databases · netcdf-cxx · source: geo.mirror.pkgbuild.com
overview
Package summary
C++ libraries and utilities for NetCDF
Project links
Commands and aliases
- ncxx4-config
history
Project history and usage
netcdf-cxx is Unidata's netCDF-4 C++ interface package. In Homebrew it is a small language-binding formula that depends on the main netcdf C library and installs the C++ library plus ncxx4-config for build integration.
Project history
The modern netCDF-4 C++ API came from Lynton Appel of the Culham Centre for Fusion Energy, where it was developed for managing fusion research data from the MAST experiment. Unidata's C++ guide says the API is a complete read/write interface layered over the netCDF-4 C interface, replacing a previous partial C++ interface and using standard C++ features such as namespaces, exceptions, and templates that were not in the older mid-1990s netCDF-3 C++ API.
Adoption history
The package is important inside scientific C++ builds but much smaller than the core netCDF C package. On July 1, 2026, Homebrew reported 652 installs over 365 days and 69 installs over 30 days for netcdf-cxx, compared with tens of thousands for netcdf itself. That shape matches its role as a language binding pulled in only by projects that compile C++ against netCDF directly.
How it is used
Users install it when a C++ application needs native netCDF-4 read/write APIs rather than calling the C interface directly. In practice it is used by build systems through the installed headers, library, and ncxx4-config, and it inherits netCDF-C behavior, fixes, and file-format support because the C++ layer sits on top of the C library.
Why package nerds care
The nerdy packaging point is dependency order: netcdf-cxx is not the file format itself, and it does not replace netcdf. It is a thin language-specific layer for C++ consumers, so mismatched netCDF-C versions, HDF5 support, and library naming are the kinds of issues that matter more than end-user CLI behavior.
Timeline
- Mid-1990s: the first netCDF-3 C++ API existed, according to Unidata's C++ guide.
- 2016-05-13: netcdf-cxx4 v4.3.0 was released.
- 2019-09-12: netcdf-cxx4 v4.3.1 was released, requiring netCDF-C 4.6.0 or newer.
- 2026-07-01: Homebrew listed stable version 4.3.1 revision 3.
Related projects
- netcdf
- netcdf-fortran
- netcdf4-python
- HDF5
Sources
security posture
Risk level: green
narrow executable package without higher-risk signals.
Risk classifier
green risk · low confidence · appliance
Why
- narrow executable package without higher-risk signals
Signals
- metadata:no-higher-risk-signals
Install behavior
- No Homebrew post-install hook is recorded in formula metadata.
- Homebrew bottle metadata is available for 8 platform targets.
- Installs with 3 runtime dependencies.
- Build metadata lists 1 build dependencies.
Recommended review
Before unattended agent use, check whether the tool reads plaintext credentials, writes remote state, publishes artifacts, or shells out to plugins.
executables
Installed executables
| Command | Kind | Exposure | Note |
|---|---|---|---|
ncxx4-config | cli | global executable |
freshness
Version and freshness
These signals separate page generation age, package-manager activity, and upstream release comparison. Version lag is warned only when an evidence URL and comparable versions are present.
page generated2026-07-08
manager version4.3.1
manager updated2026-06-22
local dataok
upstreamcurrent
latest detectedv4.3.1
https://github.com/Unidata/netcdf-cxx4
- okNo freshness warnings were generated.
install metadata
Package metadata
| Package key | brew:netcdf-cxx |
|---|---|
| Version | 4.3.1 |
| Package manager | Homebrew |
| Package manager page | https://formulae.brew.sh/formula/netcdf-cxx |
| Homepage | https://www.unidata.ucar.edu/software/netcdf/ |
| Repository | https://github.com/Unidata/netcdf-cxx4 |
| Upstream docs | https://docs.unidata.ucar.edu/netcdf-cxx/current |
| License | NetCDF |
| Source archive | https://github.com/Unidata/netcdf-cxx4/archive/refs/tags/v4.3.1.tar.gz |
| Last updated | 2026-06-22T14:05:37-07:00 |
| Pulse | updated |
| Dependencies | hdf5, netcdf, zstd |
| Build dependencies | cmake |
| Bottle | available (on arm64_linux, arm64_sequoia, arm64_sonoma, arm64_tahoe, arm64_ventura, sonoma, ventura, x86_64_linux) |
| Homebrew post-install | not defined |
| Service | none declared |
registry facts
Source database details
| Source Database | Homebrew formula API |
|---|---|
| Tap | homebrew/core |
| Full Name | netcdf-cxx |
| Version Scheme | 0 |
| Revision | 3 |
| Bottle Stable Root URL | https://ghcr.io/v2/homebrew/core |
| Deprecated | no |
| Disabled | no |
| Keg Only | no |
| URL Keys |
|
source database matches
Other package-manager records
Matches are pulled from external package-manager indexes and kept separate from local Automic Vault package links.
Debian apt95%
libnetcdf-c++4-1 4.3.1-5
C++ interface for scientific data access to large binary data
http://www.unidata.ucar.edu/software/netcdf/
sudo apt install libnetcdf-c++4-1- Section: libs
- Architecture: amd64
- Source Package: netcdf-cxx
- 4 dependencies
- normalized package name match
- Matched by: Netcdf Cxx
Debian apt95%
libnetcdf-c++4-dev 4.3.1-5
creation, access, and sharing of scientific data in C++
http://www.unidata.ucar.edu/software/netcdf/
sudo apt install libnetcdf-c++4-dev- Section: libdevel
- Architecture: amd64
- Source Package: netcdf-cxx
- 2 dependencies
- 3 optional deps
- normalized package name match
- Matched by: Netcdf Cxx
Debian apt95%
libnetcdf-c++4-doc 4.3.1-5
NetCDF C++ API documentation
http://www.unidata.ucar.edu/software/netcdf/
sudo apt install libnetcdf-c++4-doc- Section: doc
- Architecture: all
- Source Package: netcdf-cxx
- normalized package name match
- Matched by: Netcdf Cxx
Ubuntu apt95%
libnetcdf-c++4-1 4.3.1-4build2
C++ interface for scientific data access to large binary data
http://www.unidata.ucar.edu/software/netcdf/
sudo apt install libnetcdf-c++4-1- Section: universe/libs
- Architecture: amd64
- Source Package: netcdf-cxx
- 4 dependencies
- normalized package name match
- Matched by: Netcdf Cxx
Ubuntu apt95%
libnetcdf-c++4-dev 4.3.1-4build2
creation, access, and sharing of scientific data in C++
http://www.unidata.ucar.edu/software/netcdf/
sudo apt install libnetcdf-c++4-dev- Section: universe/libdevel
- Architecture: amd64
- Source Package: netcdf-cxx
- 2 dependencies
- 3 optional deps
- normalized package name match
- Matched by: Netcdf Cxx
Ubuntu apt95%
libnetcdf-c++4-doc 4.3.1-4build2
NetCDF C++ API documentation
http://www.unidata.ucar.edu/software/netcdf/
sudo apt install libnetcdf-c++4-doc- Section: universe/doc
- Architecture: all
- Source Package: netcdf-cxx
- normalized package name match
- Matched by: Netcdf Cxx
dnf95%
netcdf-cxx 4.2-43.fc44
Legacy netCDF C++ library
http://www.unidata.ucar.edu/software/netcdf/
sudo dnf install netcdf-cxx- License: BSD-3-Clause
- Category: Unspecified
- Architecture: i686
- Source Package: netcdf-cxx
- 7 dependencies
- 2 provides
- normalized package name match
- Matched by: Netcdf Cxx
dnf95%
netcdf-cxx-devel 4.2-43.fc44
Development files legacy netCDF C++ library
http://www.unidata.ucar.edu/software/netcdf/
sudo dnf install netcdf-cxx-devel- License: BSD-3-Clause
- Category: Unspecified
- Architecture: i686
- Source Package: netcdf-cxx
- 3 dependencies
- 1 provides
- normalized package name match
- Matched by: Netcdf Cxx
dnf95%
netcdf-cxx-static 4.2-43.fc44
Static libraries for legacy netCDF C++ library
http://www.unidata.ucar.edu/software/netcdf/
sudo dnf install netcdf-cxx-static- License: BSD-3-Clause
- Category: Unspecified
- Architecture: i686
- Source Package: netcdf-cxx
- 1 dependencies
- 1 provides
- normalized package name match
- Matched by: Netcdf Cxx
pacman95%
netcdf-cxx 4.3.1-5
NetCDF C++ bindings
https://github.com/Unidata/netcdf-cxx4/
sudo pacman -S netcdf-cxx- License: custom
- Architecture: x86_64
- 3 dependencies
- normalized package name match
- Matched by: Netcdf Cxx
MacPorts95%
netcdf-cxx
sudo port install netcdf-cxx- normalized package name match
- Matched by: Netcdf Cxx
source trail
Generated from repository data
This page is generated by av-web from the private package SQLite artifact built by scripts/generate-pkg-sqlite.py.
Combined YAML source
View the package source record on GitHub.
Used sources
- Geiger risk classifier
- Nucleus package database
- av.db category and tag curation
- cross-ecosystem install command graph
- curated package history
- external package-manager database matches
- package relationship graph
- package version freshness
- package-page enrichment