macOS
brew install foxlocal Homebrew formula metadata
sudo port install foxMacPorts ports tree · x11/fox/Portfile · source: api.github.com
brew
Toolkit for developing Graphical User Interfaces easily. Version 1.6.59 via Homebrew; verified 2026-06-25.
install
brew install foxlocal Homebrew formula metadata
sudo port install foxMacPorts ports tree · x11/fox/Portfile · source: api.github.com
sudo apk add foxAlpine Linux edge package indexes · fox · source: dl-cdn.alpinelinux.org
sudo dnf install foxFedora Rawhide package metadata · fox · source: dl.fedoraproject.org
nix profile install nixpkgs#foxnixpkgs package indexes · pkgs/by-name/fo/fox/package.nix · source: api.github.com
sudo pacman -S foxArch Linux sync databases · fox · source: geo.mirror.pkgbuild.com
sudo zypper install libFOX-1_6-0openSUSE Tumbleweed package metadata · libFOX-1_6-0 · source: download.opensuse.org
overview
Toolkit for developing Graphical User Interfaces easily
history
FOX Toolkit is a C++ cross-platform GUI toolkit. Its official site presents it as a way to build applications that can be recompiled across operating systems while keeping GUI behavior under the toolkit's control.
FOX was started by Jeroen van der Zijp and is distributed as source archives from the official fox-toolkit.org download area rather than through an official public source-control repository. The site copyright range begins in 1997, and the downloads page lists stable, old-stable, and development source releases.
The project's design notes frame FOX as a source-available LGPL toolkit written from the ground up in C++, avoiding wrappers over native GUI libraries and concentrating platform dependencies in selected base classes.
FOX's adoption story is tied to portable desktop software and bundled sample applications. The official download page ships source archives for Linux/Unix and Windows, documentation, and application sources such as Adie, Shutterbug, and the FOX Calculator inside the FOX distribution.
For package managers, FOX is the kind of dependency that appears both as a GUI library and as a source of small demonstration utilities, which is why packages often expose executables such as adie, calculator, reswrap, and fox-config.
Developers use FOX as a C++ GUI library, compiling against its headers and libraries. The Win32 documentation describes linking FOX applications with Visual C++ and using a normal main function via the mainCRTStartup entry point.
The official goals page emphasizes platform-independent public interfaces, avoiding accidental inclusion of platform-specific GUI headers, and relying only on low-level operating-system facilities.
FOX is package-nerd significant as a long-lived, self-contained GUI toolkit with its own build artifacts, helper tools, and sample applications. It represents the older Unix packaging problem of shipping a portable C++ GUI library that also contains useful end-user programs.
It is also interesting because official distribution is archive-based: the source of truth is the project's download directory and documentation site, not an official GitHub or GitLab project page.
security posture
narrow executable package without higher-risk signals.
green risk · low confidence · appliance
Before unattended agent use, check whether the tool reads plaintext credentials, writes remote state, publishes artifacts, or shells out to plugins.
executables
| Command | Kind | Exposure | Note |
|---|---|---|---|
PathFinder | cli | global executable | |
adie | cli | global executable | |
calculator | cli | global executable | |
fox-config | cli | global executable | |
reswrap | cli | global executable | |
shutterbug | cli | global executable |
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.
install metadata
| Package key | brew:fox |
|---|---|
| Version | 1.6.59 |
| Package manager | Homebrew |
| Package manager page | https://formulae.brew.sh/formula/fox |
| Homepage | http://fox-toolkit.org/ |
| Upstream docs | http://fox-toolkit.org/ |
| License | LGPL-2.1-or-later |
| Source archive | https://distfiles.macports.org/fox/fox-1.6.59.tar.gz |
| Last updated | 2026-06-25T13:37:40+02:00 |
| Pulse | updated |
| Dependencies | fontconfig, freetype, jpeg-turbo, libpng, libtiff, libx11, libxcursor, libxext, libxfixes, libxft, libxi, libxrandr, libxrender, mesa, mesa-glu |
| Uses from macOS | bzip2 |
| Bottle | available (on arm64_linux, arm64_sequoia, arm64_sonoma, arm64_tahoe, sonoma, x86_64_linux) |
| Homebrew post-install | not defined |
| Service | none declared |
registry facts
| Source Database | Homebrew formula API |
|---|---|
| Tap | homebrew/core |
| Full Name | fox |
| Version Scheme | 0 |
| Revision | 0 |
| Bottle Stable Root URL | https://ghcr.io/v2/homebrew/core |
| Deprecated | no |
| Disabled | no |
| Keg Only | no |
| URL Keys |
|
source database matches
Matches are pulled from external package-manager indexes and kept separate from local Automic Vault package links.
fox
nix profile install nixpkgs#foxfox 1.6.59-r0
Free Objects for X
sudo apk add foxfox-adie 1.6.59-r0
Adie text editor
sudo apk add fox-adiefox-calculator 1.6.59-r0
Free Objects for X - calculator
sudo apk add fox-calculatorfox-dev 1.6.59-r0
Free Objects for X (development files)
sudo apk add fox-devfox-doc 1.6.59-r0
Free Objects for X (documentation)
sudo apk add fox-docfox-pathfinder 1.6.59-r0
Free Objects for X - fast file manager
sudo apk add fox-pathfinderfox-shutterbug 1.6.59-r0
fox - screen snapshot application
sudo apk add fox-shutterbugfox-utils 1.6.59-r0
fox (development utilities)
sudo apk add fox-utilsfox 1.6.59-3.fc44
C++ based Toolkit for developing Graphical User Interfaces
sudo dnf install foxfox-devel 1.6.59-3.fc44
Development files for fox
sudo dnf install fox-develfox-doc 1.6.59-3.fc44
Documentation files for fox
sudo dnf install fox-docfox-utils 1.6.59-3.fc44
Utility applications based on fox
sudo dnf install fox-utilsfox 1:1.6.59-1
Free Objects for X: GUI Toolkit for C++
sudo pacman -S foxlibFOX-1_6-0 1.6.57-4.14
Shared libraries for the FOX toolkit 1.6
sudo zypper install libFOX-1_6-0fox
sudo port install foxsource trail
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View the package source record on GitHub.