# Install algol68g with Homebrew, apt, dnf, MacPorts, Nix, pacman, scoop Algol 68 compiler-interpreter. Version 3.11.3 via Homebrew; verified 2026-06-13. ## Install ```sh sudo av install brew:algol68g ``` Additional install commands: ### macOS - Homebrew (100%): ```sh brew install algol68g ``` Evidence: local Homebrew formula metadata - MacPorts (94%): ```sh sudo port install algol68g ``` Evidence: MacPorts ports tree: lang/algol68g/Portfile from https://api.github.com/repos/macports/macports-ports/git/trees/master?recursive=1 ### Linux - Debian apt (92%): ```sh sudo apt install algol68g ``` Evidence: Debian stable package indexes: algol68g from https://deb.debian.org/debian/dists/stable/main/binary-amd64/Packages.xz - dnf (92%): ```sh sudo dnf install algol68g ``` Evidence: Fedora Rawhide package metadata: algol68g from https://dl.fedoraproject.org/pub/fedora/linux/development/rawhide/Everything/x86_64/os/repodata/e5ca8ce900cd68f5419e1c39ae517343100b306336cbaeb70a3c153121d95094-primary.xml.zst - Nix (92%): ```sh nix profile install nixpkgs#algol68g ``` Evidence: nixpkgs package indexes: pkgs/by-name/al/algol68g/package.nix from https://api.github.com/repos/NixOS/nixpkgs/git/trees/master?recursive=1 - pacman (92%): ```sh sudo pacman -S algol68g ``` Evidence: Arch Linux sync databases: algol68g from https://geo.mirror.pkgbuild.com/extra/os/x86_64/extra.db.tar.gz ### Windows - Scoop (92%): ```sh scoop install main/algol68g ``` Evidence: Scoop official bucket manifest trees: bucket/algol68g.json from https://api.github.com/repos/ScoopInstaller/Main/git/trees/master?recursive=1 ## Package facts - **Package key:** brew:algol68g - **Package manager:** Homebrew - **Package manager page:** - **Version:** 3.11.3 - **Source summary:** Algol 68 compiler-interpreter - **Homepage:** - **Upstream docs:** - **License:** GPL-3.0-or-later - **Source archive:** - **Last updated:** 2026-06-13T01:02:18+02:00 - **Generated:** 2026-07-08T07:18:31+00:00 ## Executables - a68g (cli) - a68g (alias) ## Uses from macOS - curl - ncurses ## Install behavior - Post-install hook: not defined - Bottle: available on arm64_linux, arm64_sequoia, arm64_sonoma, arm64_tahoe, sonoma, x86_64_linux ## Freshness - Page generated: 2026-07-08 - Package-manager version: 3.11.3 - Package-manager updated: 2026-06-13 - Local data: ok - Upstream repository: https://jmvdveer.home.xs4all.nl/algol.html - info: Release/tag comparison is only available for GitHub repositories. ## Project history and usage Algol 68 Genie, invoked as `a68g`, is a maintained interpreter and compiler-interpreter environment for ALGOL 68. It exists as both a practical language implementation and a preservation project for a historically important programming language. ### Project history Marcel van der Veer's official Algol 68 Genie page says development started around 1990, an alpha release was posted in 2001, beta releases followed from 2002, and revision 1.0 dates from September 2002. The project page frames the work as preservation of Algol 68 for educational and scientific-historical use, while still letting users write medium-sized programs. The official history notes several milestones: revision 1.3 added formatted transput in 2003, revisions 1.6 and 1.7 added the parallel clause and partial parametrization in 2005, version 2.0 arrived in 2010, and version 3.0 arrived in 2021. By 2026, the site described the implementation as essentially feature-complete, with recent releases focused mostly on maintenance and runtime-library additions. The implementation is written from scratch and is presented as one of the most complete ALGOL 68 implementations. It provides runtime checks, a GDB-style debugger, arbitrary precision arithmetic, and optional partial precompilation on platforms such as Linux and FreeBSD. ### Adoption history Algol 68 Genie occupies the preservation-and-practice niche rather than a mainstream production niche. Its official page links to precompiled packages for major distributions, and the input facts list packages in Homebrew, Debian, Ubuntu, Fedora, MacPorts, Nix, Arch, and Scoop. The project has also influenced later compiler work. The official page says Jose Marchesi's `ga68` GCC front-end derives its parser from the hand-coded Algol 68 Genie parser, and that the GCC Steering Committee agreed to include ga68 in trunk as experimental for GCC 16.1. ### How it is used Users install `a68g` to run ALGOL 68 programs, work through the official Learning Algol 68 Genie material, and experiment with the Revised Report language on modern systems. The official page describes Linux, BSD, and Windows 11 support, with source archives and Windows binaries published from the project site. For package users, `algol68g` is the practical way to get a maintained ALGOL 68 environment without hunting historical compilers. It is useful for language archaeology, programming-language coursework, Rosetta Code style examples, and testing historical algorithms in a current terminal. ### Why package nerds care Algol 68 Genie is significant because package managers make a language-preservation runtime one command away. That keeps ALGOL 68 visible in modern Unix-like environments and makes historical language exploration reproducible. It is also a reminder that package repositories are not only for current production stacks. They preserve executable culture: old languages, reports, examples, and implementation techniques remain buildable on current machines. ### Timeline - Around 1990: Development starts. - 2001: Alpha release posted. - 2002: Beta releases and revision 1.0. - 2003: Revision 1.3 introduces formatted transput. - 2005: Revisions 1.6 and 1.7 add the parallel clause and partial parametrization. - 2010: Version 2.0 released. - 2021: Version 3.0 released. - 2025: ga68 GCC front-end work is announced, deriving parser work from Algol 68 Genie. - 2026: Version 3.12.2 source archive listed on the official site. ### Related projects - Related projects include the GNU ga68 front-end for GCC, historical ALGOL 68 implementations, the Software Preservation Group's ALGOL materials, Rosetta Code ALGOL 68 examples, and editor modes for ALGOL 68 syntax. ### Sources - - - source_facts.package-manager ## Security Notes generalized runtime or code generation signal. - **Geiger risk:** yellow / medium - generalized runtime or code generation signal ## Source Database Details - **Source Database:** Homebrew formula API - **Tap:** homebrew/core - **Full Name:** algol68g - **Version Scheme:** 0 - **Revision:** 0 - **Bottle Stable Root URL:** - **Deprecated:** no - **Disabled:** no - **Keg Only:** no - **URL Keys:** stable ## Other Package-Manager Records - Debian apt - algol68g - 3.1.2-1+b1: normalized package name match | Debian stable package indexes: algol68g from https://deb.debian.org/debian/dists/stable/main/binary-amd64/Packages.xz | Implementation of Algol 68 as defined by the Revised Report | https://jmvdveer.home.xs4all.nl/en.algol-68-genie.html - Nix - algol68g: normalized package name match | nixpkgs package indexes: pkgs/by-name/al/algol68g/package.nix from https://api.github.com/repos/NixOS/nixpkgs/git/trees/master?recursive=1 - Ubuntu apt - algol68g - 3.1.2-1: normalized package name match | Ubuntu 24.04 LTS package indexes: algol68g from https://archive.ubuntu.com/ubuntu/dists/noble/universe/binary-amd64/Packages.gz | Implementation of Algol 68 as defined by the Revised Report | https://jmvdveer.home.xs4all.nl/en.algol-68-genie.html - dnf - algol68g - 3.12.2-1.fc45: normalized package name match | Fedora Rawhide package metadata: algol68g from https://dl.fedoraproject.org/pub/fedora/linux/development/rawhide/Everything/x86_64/os/repodata/e5ca8ce900cd68f5419e1c39ae517343100b306336cbaeb70a3c153121d95094-primary.xml.zst | Algol 68 Genie compiler-interpreter | https://jmvdveer.home.xs4all.nl/en.algol-68-genie.html - pacman - algol68g - 3.12.2-1: normalized package name match | Arch Linux sync databases: algol68g from https://geo.mirror.pkgbuild.com/extra/os/x86_64/extra.db.tar.gz | Algol 68 compiler and interpreter | https://algol68genie.nl/en/algol-68-genie/ - MacPorts - algol68g: normalized package name match | MacPorts ports tree: lang/algol68g/Portfile from https://api.github.com/repos/macports/macports-ports/git/trees/master?recursive=1 - Scoop - main/algol68g: normalized package name match | Scoop official bucket manifest trees: bucket/algol68g.json from https://api.github.com/repos/ScoopInstaller/Main/git/trees/master?recursive=1 ## Related links - [Secret-risk packages](https://www.automicvault.com/pkg/secret-risk-packages/) - Has protected-tool coverage, approval-gate, or non-low Geiger security signals. - [Terminal utility packages](https://www.automicvault.com/pkg/terminal-utilities/) - Matched terminal and command-line workflow metadata. - [Developer build packages](https://www.automicvault.com/pkg/developer-build-tools/) - Matched build, compiler, generator, or developer workflow metadata. - [Language runtime packages](https://www.automicvault.com/pkg/language-runtime-packages/) - Matched language runtime, compiler, or interpreter metadata. - [lua](https://www.automicvault.com/pkg/brew/lua/) - Shares av.db curated category or tags: cli, compiler, interpreter, language-runtime, programming-language. - [mosml](https://www.automicvault.com/pkg/brew/mosml/) - Shares av.db curated category or tags: cli, compiler, interpreter, language-runtime, programming-language. - [three-body](https://www.automicvault.com/pkg/brew/three-body/) - Shares av.db curated category or tags: cli, compiler, interpreter, language-runtime, programming-language. - [ats2-postiats](https://www.automicvault.com/pkg/brew/ats2-postiats/) - Shares av.db curated category or tags: cli, compiler, language-runtime, programming-language. - [ballerina](https://www.automicvault.com/pkg/brew/ballerina/) - Shares av.db curated category or tags: cli, compiler, language-runtime, programming-language. - [chapel](https://www.automicvault.com/pkg/brew/chapel/) - Shares av.db curated category or tags: cli, compiler, language-runtime, programming-language. - [coconut](https://www.automicvault.com/pkg/brew/coconut/) - Shares av.db curated category or tags: cli, compiler, language-runtime, programming-language. - [coffeescript](https://www.automicvault.com/pkg/brew/coffeescript/) - Shares av.db curated category or tags: cli, compiler, language-runtime, programming-language. ## Combined YAML source View the package source record on GitHub. [combined/algol68g.yml](https://github.com/automic-vault/db/blob/main/combined/algol68g.yml) ## Sources - Nucleus package database - Geiger risk classifier - package-page enrichment - curated package history - package version freshness - av.db category and tag curation - package relationship graph - external package-manager database matches - cross-ecosystem install command graph