macOS
brew install monolocal Homebrew formula metadata
sudo port install monoMacPorts ports tree · devel/mono/Portfile · source: api.github.com
brew
Cross platform, open source .NET development framework. Version 6.14.1 via Homebrew; verified from local package data.
install
brew install monolocal Homebrew formula metadata
sudo port install monoMacPorts ports tree · devel/mono/Portfile · source: api.github.com
sudo apk add monoAlpine Linux edge package indexes · mono · source: dl-cdn.alpinelinux.org
sudo apt install ca-certificates-monoDebian stable package indexes · ca-certificates-mono · source: deb.debian.org
sudo dnf install ibm-data-db2Fedora Rawhide package metadata · ibm-data-db2 · source: dl.fedoraproject.org
nix profile install nixpkgs#mononixpkgs package indexes · mono · source: raw.githubusercontent.com
sudo pacman -S monoArch Linux sync databases · mono · source: geo.mirror.pkgbuild.com
sudo zypper install mono-coreopenSUSE Tumbleweed package metadata · mono-core · source: download.opensuse.org
choco install monoChocolatey community package catalog · mono · source: community.chocolatey.org
scoop install main/monoScoop official bucket manifest trees · bucket/mono.json · source: api.github.com
winget install --id Mono.Mono -eWindows Package Manager source index · Mono.Mono · source: cdn.winget.microsoft.com
overview
Cross platform, open source .NET development framework
history
Mono is the long-running open-source implementation of the .NET runtime and class-library stack for non-Windows and embedded platforms. The project was launched by Ximian in 2001 around Miguel de Icaza's effort to bring the Common Language Infrastructure and C# model to Linux; Mono's own early-history note says the team planned the July 19, 2001 launch at the O'Reilly conference and shipped early metadata, compiler, and class-library pieces.
The first development years were spent making the runtime, JIT, C# compiler, and class libraries self-host. Mono's history records milestones such as the runtime running Hello World in August 2001, the C# compiler compiling its first program in September 2001, compiler self-hosting work in 2002, and Mono 1.0 on June 30, 2004. The About page summarizes the architecture as an ECMA C# and Common Language Infrastructure implementation with a runtime, JIT, AOT compiler, garbage collector, loader, interoperability pieces, and .NET-compatible class libraries.
The stewardship story mirrors the commercial history around cross-platform .NET. Mono was supported by Novell after its Ximian acquisition, then by Xamarin, and then by Microsoft after the 2016 Xamarin acquisition. Microsoft's acquisition announcement emphasized Xamarin's C# mobile tooling for iOS, Android, and Windows and cited more than 1.3 million Xamarin developers and more than 15,000 customers. Mono joined the .NET Foundation in 2016, and the Mono homepage says WineHQ took over stewardship of the upstream Mono Project in 2024 while Microsoft moved active workloads to a modern Mono runtime fork in dotnet/runtime.
In package managers, Mono is both a runtime and a developer toolchain: users install it to run .NET Framework-compatible applications outside Windows, compile C# code, host libraries that expect the classic Mono stack, or support older Xamarin/Unity-era workflows. Its importance is historical as much as practical: it proved that .NET could be portable years before cross-platform .NET became Microsoft's default story.
security posture
broad file, network, media, or database tool signal. generalized runtime or code generation signal.
yellow risk · medium confidence · runtime
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 |
|---|---|---|---|
al | cli | global executable | |
al2 | cli | global executable | |
aprofutil | cli | global executable | |
caspol | cli | global executable | |
cccheck | cli | global executable | |
ccrewrite | cli | global executable | |
cert-sync | cli | global executable | |
cert2spc | cli | global executable | |
certmgr | cli | global executable | |
chktrust | cli | global executable | |
crlupdate | cli | global executable | |
csc | cli | global executable | |
csharp | cli | global executable | |
csi | cli | global executable | |
disco | cli | global executable | |
dmcs | cli | global executable | |
dtd2rng | cli | global executable | |
dtd2xsd | cli | global executable | |
gacutil | cli | global executable | |
gacutil2 | cli | global executable | |
genxs | cli | global executable | |
httpcfg | cli | global executable | |
ikdasm | cli | global executable | |
ilasm | cli | global executable | |
illinkanalyzer | cli | global executable | |
installvst | cli | global executable | |
lc | cli | global executable | |
macpack | cli | global executable | |
makecert | cli | global executable | |
mconfig | cli | global executable | |
mcs | cli | global executable | |
mdassembler | cli | global executable | |
mdbrebase | cli | global executable | |
mdoc | cli | global executable | |
mdoc-assemble | cli | global executable | |
mdoc-export-html | cli | global executable | |
mdoc-export-msxdoc | cli | global executable | |
mdoc-update | cli | global executable | |
mdoc-validate | cli | global executable | |
mdvalidater | cli | global executable | |
mkbundle | cli | global executable | |
mod | cli | global executable | |
mono | cli | global executable | |
mono-api-html | cli | global executable | |
mono-api-info | cli | global executable | |
mono-cil-strip | cli | global executable | |
mono-configuration-crypto | cli | global executable | |
mono-find-provides | cli | global executable | |
mono-find-requires | cli | global executable | |
mono-hang-watchdog | cli | global executable | |
mono-heapviz | cli | global executable | |
mono-package-runtime | cli | global executable | |
mono-service | cli | global executable | |
mono-service2 | cli | global executable | |
mono-sgen | cli | global executable | |
mono-shlib-cop | cli | global executable | |
mono-symbolicate | cli | global executable | |
mono-test-install | cli | global executable | |
mono-xmltool | cli | global executable | |
monodis | cli | global executable | |
monodocer | cli | global executable | |
monodocs2html | cli | global executable | |
monodocs2slashdoc | cli | global executable | |
monolinker | cli | global executable | |
monop | cli | global executable | |
monop2 | cli | global executable | |
mozroots | cli | global executable | |
mprof-report | cli | global executable | |
pdb2mdb | cli | global executable | |
pedump | cli | global executable | |
permview | cli | global executable | |
peverify | cli | global executable | |
resgen | cli | global executable | |
resgen2 | cli | global executable | |
secutil | cli | global executable | |
setreg | cli | global executable | |
sgen | cli | global executable | |
sgen-grep-binprot | cli | global executable | |
signcode | cli | global executable | |
sn | cli | global executable | |
soapsuds | cli | global executable | |
sqlmetal | cli | global executable | |
sqlsharp | cli | global executable | |
svcutil | cli | global executable | |
vbc | cli | global executable | |
wsdl | cli | global executable | |
wsdl2 | cli | global executable | |
xbuild | cli | global executable | |
xsd | 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:mono |
|---|---|
| Version | 6.14.1 |
| Package manager | Homebrew |
| Package manager page | https://formulae.brew.sh/formula/mono |
| Homepage | https://www.mono-project.com/ |
| Repository | https://gitlab.winehq.org/mono/mono |
| Upstream docs | https://github.com/mono/mono#readme |
| License | Apache-2.0 |
| Source archive | https://dl.winehq.org/mono/sources/mono/mono-6.14.1.tar.xz |
| Dependencies | python@3.14 |
| Build dependencies | autoconf, automake, cmake, libtool, llvm, pkgconf |
| Uses from macOS | krb5 |
| Bottle | available (on arm64_linux, arm64_sequoia, arm64_sonoma, arm64_tahoe, sonoma, x86_64_linux) |
| Homebrew post-install | defined |
| Service | none declared |
| Caveats | To use the assemblies from other formulae you need to set: export MONO_GAC_PREFIX="$HOMEBREW_PREFIX" |
registry facts
| Source Database | Homebrew formula API |
|---|---|
| Tap | homebrew/core |
| Full Name | mono |
| Version Scheme | 0 |
| Revision | 0 |
| Head Version | HEAD |
| Conflicts With |
|
| 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.
ca-certificates-mono 6.12.0.199+dfsg-6
Common CA certificates (Mono keystore)
sudo apt install ca-certificates-monolibmono-2.0-1 6.12.0.199+dfsg-6
Mono JIT library (Default version)
sudo apt install libmono-2.0-1libmono-2.0-dev 6.12.0.199+dfsg-6
Mono JIT library - Development files (Default version)
sudo apt install libmono-2.0-devlibmono-accessibility4.0-cil 6.12.0.199+dfsg-6
Mono Accessibility library (for CLI 4.0)
sudo apt install libmono-accessibility4.0-cillibmono-btls-interface4.0-cil 6.12.0.199+dfsg-6
Mono Mono.Btls.Interface library (for CLI 4.0)
sudo apt install libmono-btls-interface4.0-cillibmono-cairo4.0-cil 6.12.0.199+dfsg-6
Mono Cairo library (for CLI 4.0)
sudo apt install libmono-cairo4.0-cillibmono-cecil-private-cil 6.12.0.199+dfsg-6
Mono.Cecil library
sudo apt install libmono-cecil-private-cillibmono-cil-dev 6.12.0.199+dfsg-6
Mono Base Class Libraries (BCL) - Development files
sudo apt install libmono-cil-devlibmono-codecontracts4.0-cil 6.12.0.199+dfsg-6
Mono.CodeContracts library (for CLI 4.0)
sudo apt install libmono-codecontracts4.0-cillibmono-compilerservices-symbolwriter4.0-cil 6.12.0.199+dfsg-6
Mono.CompilerServices.SymbolWriter library (for CLI 4.0)
sudo apt install libmono-compilerservices-symbolwriter4.0-cillibmono-corlib4.5-cil 6.12.0.199+dfsg-6
Mono core library (for CLI 4.5)
sudo apt install libmono-corlib4.5-cillibmono-corlib4.5-dll 6.12.0.199+dfsg-6
Mono core library (for CLI 4.5) - stand-alone package
sudo apt install libmono-corlib4.5-dlllibmono-cscompmgd0.0-cil 6.12.0.199+dfsg-6
Mono cscompmgd library (for CLI 4.0)
sudo apt install libmono-cscompmgd0.0-cillibmono-csharp4.0c-cil 6.12.0.199+dfsg-6
Mono.CSharp library (for CLI 4.0)
sudo apt install libmono-csharp4.0c-cillibmono-custommarshalers4.0-cil 6.12.0.199+dfsg-6
Mono CustomMarshalers library (for CLI 4.0)
sudo apt install libmono-custommarshalers4.0-cillibmono-data-tds4.0-cil 6.12.0.199+dfsg-6
Mono Data Library (for CLI 4.0)
sudo apt install libmono-data-tds4.0-cilsource trail
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View the package source record on GitHub.