macOS
Homebrewverified · 100%
brew install chezschemelocal Homebrew formula metadata
brew
Install chezscheme with Homebrew, apt, scoop, winget, zypper, Nix
Implementation of the Chez Scheme language. Version 10.4.1 via Homebrew; verified 2026-06-22.
install
Additional install commands
Linux
Debian aptverified · 92%
sudo apt install chezschemeDebian stable package indexes · chezscheme · source: deb.debian.org
openSUSE zypperverified · 92%
sudo zypper install chezschemeopenSUSE Tumbleweed package metadata · chezscheme · source: download.opensuse.org
Nixverified · 92%
nix profile install nixpkgs#cheznixpkgs package indexes · pkgs/by-name/ch/chez/package.nix · source: api.github.com
Windows
Scoopverified · 92%
scoop install main/chezschemeScoop official bucket manifest trees · bucket/chezscheme.json · source: api.github.com
Windows Package Managerverified · 92%
winget install --id Cisco.ChezScheme -eWindows Package Manager source index · Cisco.ChezScheme · source: cdn.winget.microsoft.com
overview
Package summary
Implementation of the Chez Scheme language
Project links
Commands and aliases
- chez
- petite
- scheme-script
history
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
security posture
No protected-tool coverage found yet
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.
Install behavior
- No Homebrew post-install hook is recorded in formula metadata.
- Homebrew bottle metadata is available for 6 platform targets.
- Build metadata lists 2 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 |
|---|---|---|---|
chez | cli | global executable | |
petite | cli | global executable | |
scheme-script | 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 version10.4.1
manager updated2026-06-22
local dataok
upstreamnot checked
latest detectednot detected
https://github.com/cisco/ChezScheme
- infoNo cached GitHub release or tag data was available.https://github.com/cisco/ChezSchemenone confidence
install metadata
Package metadata
| Package key | brew:chezscheme |
|---|---|
| Version | 10.4.1 |
| Package manager | Homebrew |
| Package manager page | https://formulae.brew.sh/formula/chezscheme |
| Homepage | https://cisco.github.io/ChezScheme/ |
| Repository | https://github.com/cisco/ChezScheme |
| Upstream docs | https://cisco.github.io/ChezScheme |
| License | Apache-2.0 |
| Source archive | https://github.com/cisco/ChezScheme/releases/download/v10.4.1/csv10.4.1.tar.gz |
| Last updated | 2026-06-22T14:03:01-07:00 |
| Pulse | updated |
| Build dependencies | libx11, xterm |
| Uses from macOS | ncurses |
| 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 details
| Source Database | Homebrew formula API |
|---|---|
| Tap | homebrew/core |
| Full Name | chezscheme |
| 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
Other package-manager records
Matches are pulled from external package-manager indexes and kept separate from local Automic Vault package links.
Debian apt95%
chezscheme 10.0.0+dfsg-5
Reliable, high performance Scheme compiler
https://cisco.github.io/ChezScheme/
sudo apt install chezscheme- Section: lisp
- Architecture: amd64
- 4 dependencies
- 1 optional deps
- normalized package name match
- Matched by: Chezscheme
Debian apt95%
chezscheme-dev 10.0.0+dfsg-5
Reliable, high performance Scheme compiler (C development files)
https://cisco.github.io/ChezScheme/
sudo apt install chezscheme-dev- Section: devel
- Architecture: amd64
- Source Package: chezscheme
- 1 dependencies
- normalized package name match
- Matched by: Chezscheme
Debian apt95%
chezscheme-doc 10.0.0+dfsg-5
Reliable, high performance Scheme compiler (documentation)
https://cisco.github.io/ChezScheme/
sudo apt install chezscheme-doc- Section: doc
- Architecture: all
- Source Package: chezscheme
- normalized package name match
- Matched by: Chezscheme
Ubuntu apt95%
chezscheme 9.5.8+dfsg-1
Reliable, high performance Scheme compiler
https://cisco.github.io/ChezScheme/
sudo apt install chezscheme- Section: universe/lisp
- Architecture: amd64
- 5 dependencies
- 1 optional deps
- normalized package name match
- Matched by: Chezscheme
Ubuntu apt95%
chezscheme-dev 9.5.8+dfsg-1
Reliable, high performance Scheme compiler (C development files)
https://cisco.github.io/ChezScheme/
sudo apt install chezscheme-dev- Section: universe/devel
- Architecture: amd64
- Source Package: chezscheme
- 1 dependencies
- normalized package name match
- Matched by: Chezscheme
Ubuntu apt95%
chezscheme-doc 9.5.8+dfsg-1
Reliable, high performance Scheme compiler (documentation)
https://cisco.github.io/ChezScheme/
sudo apt install chezscheme-doc- Section: universe/doc
- Architecture: all
- Source Package: chezscheme
- normalized package name match
- Matched by: Chezscheme
zypper95%
chezscheme 10.3.0-1.2
A superset of the R6RS Scheme language
https://cisco.github.io/ChezScheme/
sudo zypper install chezscheme- License: Apache-2.0 AND BSD-2-Clause AND GPL-2.0-only AND Zlib AND SUSE-GPL-2.0-with-linking-exception
- Category: Development/Languages/Scheme
- Architecture: x86_64
- Source Package: chezscheme
- 5 dependencies
- 1 provides
- normalized package name match
- Matched by: Chezscheme
zypper95%
chezscheme-petite 10.3.0-1.2
Faster interpret version of ChezScheme
https://cisco.github.io/ChezScheme/
sudo zypper install chezscheme-petite- License: Apache-2.0 AND BSD-2-Clause AND GPL-2.0-only AND Zlib AND SUSE-GPL-2.0-with-linking-exception
- Category: Development/Languages/Scheme
- Architecture: x86_64
- Source Package: chezscheme
- 1 provides
- normalized package name match
- Matched by: Chezscheme
Scoop95%
main/chezscheme
scoop install main/chezscheme- normalized package name match
- Matched by: Chezscheme
winget95%
Cisco.ChezScheme
winget install --id Cisco.ChezScheme -e- normalized package name match
- Matched by: Chezscheme
Nix92%
chez
nix profile install nixpkgs#chez- installed executable or alias match
- Matched by: Chez
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