# Install chezscheme with Homebrew, apt, zypper, scoop, winget, Nix
Implementation of the Chez Scheme language. Version 10.4.1 via Homebrew; verified 2026-06-22. Also installable with debian: sudo apt install chezscheme.
## Install
```sh
sudo av install brew:chezscheme
```
Additional install commands:
### macOS
- Homebrew (100%):
```sh
brew install chezscheme
```
Evidence: local Homebrew formula metadata
### Linux
- Debian apt (92%):
```sh
sudo apt install chezscheme
```
Evidence: Debian stable package indexes: chezscheme from https://deb.debian.org/debian/dists/stable/main/binary-amd64/Packages.xz
- zypper (92%):
```sh
sudo zypper install chezscheme
```
Evidence: openSUSE Tumbleweed package metadata: chezscheme from https://download.opensuse.org/tumbleweed/repo/oss/repodata/50b07339cb64c8ed4091bdbabddadc1ff5737b090e478818a195b40d8a3292861a879139b4a3987c31109699fde9fbf4a716367ddf4eef77da75f96e3193d6ed-primary.xml.zst
- Nix (92%):
```sh
nix profile install nixpkgs#chez
```
Evidence: nixpkgs package indexes: pkgs/by-name/ch/chez/package.nix from https://api.github.com/repos/NixOS/nixpkgs/git/trees/master?recursive=1
### Windows
- Scoop (92%):
```sh
scoop install main/chezscheme
```
Evidence: Scoop official bucket manifest trees: bucket/chezscheme.json from https://api.github.com/repos/ScoopInstaller/Main/git/trees/master?recursive=1
- winget (92%):
```sh
winget install --id Cisco.ChezScheme -e
```
Evidence: Windows Package Manager source index: Cisco.ChezScheme from https://cdn.winget.microsoft.com/cache/source.msix
## Package facts
- **Package key:** brew:chezscheme
- **Package manager:** Homebrew
- **Version:** 10.4.1
- **Source summary:** Implementation of the Chez Scheme language
- **Homepage:**
- **Repository:**
- **Last updated:** 2026-06-22T14:03:01-07:00
- **Generated:** 2026-08-03T19:37:03+00:00
## Executables
- chez (alias)
- petite (alias)
- scheme-script (alias)
## Install behavior
- Bottle: not available
## Freshness
- Page generated: 2026-08-03
- Package-manager version: 10.4.1
## Project history and usage
Chez Scheme is a Scheme implementation with an optimizing native-code compiler, runtime system, interactive environment, and extensive documentation for R6RS-oriented Scheme programming.
### Project history
The official project page describes Chez Scheme as both a programming language and an implementation, with supporting tools and documentation. It emphasizes compilation by default, on-the-fly compilation from source, whole-program compilation, garbage collection, profiling, debugging, and an interactive shell.
The Cisco-hosted project page separates current source, current release, open-source releases, and legacy releases, reflecting the project's long pre-GitHub history and later open-source maintenance.
### Adoption history
Chez Scheme has long mattered to Scheme implementers because it is a serious optimizing compiler rather than only an interpreter. In package-manager catalogs it gives users a high-performance Scheme system through normal install flows.
The input package metadata lists Homebrew, Debian/Ubuntu, Nix, Scoop, winget, and openSUSE packages. Homebrew reported 1,813 trailing-365-day installs at research time.
### How it is used
The Homebrew formula installs `chez`, `petite`, and `scheme-script`, covering the full Chez Scheme system, Petite Chez Scheme, and script execution workflows.
Users install it as a Scheme compiler/runtime, an interactive environment, or a dependency for Scheme research and language implementation work.
### Why package nerds care
Chez Scheme is package-nerd-significant because it brings a historically important optimizing Scheme compiler into ordinary OS package managers, where it can be installed beside lighter interpreters.
Its package also exposes the distinction between language runtimes that are research-grade compilers and ones that are small embeddable interpreters, a useful axis in Scheme packaging.
### Timeline
- 2017: Chez Scheme 9.4.1 release notes documented supported platforms and changes after version 8.4.
- 2026: Chez Scheme 10.4.1 released, with Homebrew tracking 10.4.1.
### Related projects
- Petite Chez Scheme is distributed with Chez Scheme and appears as the `petite` executable in the package metadata.
- The official project page connects Chez Scheme documentation with The Scheme Programming Language and the Chez Scheme User's Guide.
### Sources
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## Security Notes
No matching local secret-handling manifest was found for chezscheme. Nucleus package metadata is still published here so future coverage has a stable package URL.
## Other Package-Manager Records
- Debian apt - chezscheme - 10.0.0+dfsg-5: normalized package name match | Debian stable package indexes: chezscheme from https://deb.debian.org/debian/dists/stable/main/binary-amd64/Packages.xz | Reliable, high performance Scheme compiler | https://cisco.github.io/ChezScheme/
- Debian apt - chezscheme-dev - 10.0.0+dfsg-5: normalized package name match | Debian stable package indexes: chezscheme-dev from https://deb.debian.org/debian/dists/stable/main/binary-amd64/Packages.xz | Reliable, high performance Scheme compiler (C development files) | https://cisco.github.io/ChezScheme/
- Debian apt - chezscheme-doc - 10.0.0+dfsg-5: normalized package name match | Debian stable package indexes: chezscheme-doc from https://deb.debian.org/debian/dists/stable/main/binary-amd64/Packages.xz | Reliable, high performance Scheme compiler (documentation) | https://cisco.github.io/ChezScheme/
- Ubuntu apt - chezscheme - 9.5.8+dfsg-1: normalized package name match | Ubuntu 24.04 LTS package indexes: chezscheme from https://archive.ubuntu.com/ubuntu/dists/noble/universe/binary-amd64/Packages.gz | Reliable, high performance Scheme compiler | https://cisco.github.io/ChezScheme/
- Ubuntu apt - chezscheme-dev - 9.5.8+dfsg-1: normalized package name match | Ubuntu 24.04 LTS package indexes: chezscheme-dev from https://archive.ubuntu.com/ubuntu/dists/noble/universe/binary-amd64/Packages.gz | Reliable, high performance Scheme compiler (C development files) | https://cisco.github.io/ChezScheme/
- Ubuntu apt - chezscheme-doc - 9.5.8+dfsg-1: normalized package name match | Ubuntu 24.04 LTS package indexes: chezscheme-doc from https://archive.ubuntu.com/ubuntu/dists/noble/universe/binary-amd64/Packages.gz | Reliable, high performance Scheme compiler (documentation) | https://cisco.github.io/ChezScheme/
- zypper - chezscheme - 10.3.0-1.4: normalized package name match | openSUSE Tumbleweed package metadata: chezscheme from https://download.opensuse.org/tumbleweed/repo/oss/repodata/50b07339cb64c8ed4091bdbabddadc1ff5737b090e478818a195b40d8a3292861a879139b4a3987c31109699fde9fbf4a716367ddf4eef77da75f96e3193d6ed-primary.xml.zst | A superset of the R6RS Scheme language | https://cisco.github.io/ChezScheme/
- zypper - chezscheme-petite - 10.3.0-1.4: normalized package name match | openSUSE Tumbleweed package metadata: chezscheme-petite from https://download.opensuse.org/tumbleweed/repo/oss/repodata/50b07339cb64c8ed4091bdbabddadc1ff5737b090e478818a195b40d8a3292861a879139b4a3987c31109699fde9fbf4a716367ddf4eef77da75f96e3193d6ed-primary.xml.zst | Faster interpret version of ChezScheme | https://cisco.github.io/ChezScheme/
- Scoop - main/chezscheme: normalized package name match | Scoop official bucket manifest trees: bucket/chezscheme.json from https://api.github.com/repos/ScoopInstaller/Main/git/trees/master?recursive=1
- winget - Cisco.ChezScheme: normalized package name match | Windows Package Manager source index: Cisco.ChezScheme from https://cdn.winget.microsoft.com/cache/source.msix
- Nix - chez: installed executable or alias match | nixpkgs package indexes: pkgs/by-name/ch/chez/package.nix from https://api.github.com/repos/NixOS/nixpkgs/git/trees/master?recursive=1
## Combined YAML source
View the package source record on GitHub. [combined/chezscheme.yml](https://github.com/mxcl/pkgdb/blob/main/combined/chezscheme.yml)
## Sources
- pkg.so package database
- Geiger risk classifier
- curated package history
- pkgdb category and tag curation
- external package-manager database matches
- cross-ecosystem install command graph