# libsixel を Homebrew, apk, dnf, MacPorts, Nix, pacman, apt, zypper でインストール libsixel のインストール経路、実行ファイル、メタデータ、AI エージェント向けセキュリティノートを確認します。 ## インストール ```sh sudo av install brew:libsixel ``` 追加のインストールコマンド: ### macOS - Homebrew (100%): ```sh brew install libsixel ``` 証拠: local Homebrew formula metadata - MacPorts (94%): ```sh sudo port install libsixel ``` 証拠: MacPorts ports tree: graphics/libsixel/Portfile from https://api.github.com/repos/macports/macports-ports/git/trees/master?recursive=1 ### Linux - apk (92%): ```sh sudo apk add libsixel ``` 証拠: Alpine Linux edge package indexes: libsixel from https://dl-cdn.alpinelinux.org/alpine/edge/community/x86_64/APKINDEX.tar.gz - dnf (92%): ```sh sudo dnf install libsixel ``` 証拠: Fedora Rawhide package metadata: libsixel from https://dl.fedoraproject.org/pub/fedora/linux/development/rawhide/Everything/x86_64/os/repodata/07190dc5ae9f35ae73866675fed6d95fe6e8d9fe22c9d7cdf85862cb2ed24a4c-primary.xml.zst - Nix (92%): ```sh nix profile install nixpkgs#libsixel ``` 証拠: nixpkgs package indexes: pkgs/by-name/li/libsixel/package.nix from https://api.github.com/repos/NixOS/nixpkgs/git/trees/master?recursive=1 - pacman (92%): ```sh sudo pacman -S libsixel ``` 証拠: Arch Linux sync databases: libsixel from https://geo.mirror.pkgbuild.com/extra/os/x86_64/extra.db.tar.gz - Debian apt (92%): ```sh sudo apt install libsixel-bin ``` 証拠: Debian stable package indexes: libsixel-bin from https://deb.debian.org/debian/dists/stable/main/binary-amd64/Packages.xz - zypper (92%): ```sh sudo zypper install libsixel-bash-completion ``` 証拠: openSUSE Tumbleweed package metadata: libsixel-bash-completion from https://download.opensuse.org/tumbleweed/repo/oss/repodata/50b07339cb64c8ed4091bdbabddadc1ff5737b090e478818a195b40d8a3292861a879139b4a3987c31109699fde9fbf4a716367ddf4eef77da75f96e3193d6ed-primary.xml.zst ## パッケージ情報 - **パッケージキー:** brew:libsixel - **パッケージマネージャ:** Homebrew - **バージョン:** 1.8.7-r2 - **ソース概要:** SIXEL encoder/decoder implementation - **ホームページ:** - **リポジトリ:** - **生成日時:** 2026-08-03T19:37:03+00:00 ## 実行可能ファイル - img2sixel (エイリアス) - libsixel-config (エイリアス) - sixel2png (エイリアス) ## インストール挙動 - Bottle: 利用不可 ## バージョンと鮮度 - ページ生成日: 2026-08-03 - マネージャ版: 1.8.7-r2 ## プロジェクトの歴史と使われ方 libsixel is a C encoder and decoder for DEC SIXEL terminal graphics, plus command-line tools such as img2sixel and sixel2png. It matters because it helped revive a 1980s terminal image protocol for modern terminals, plots, previews, and command-line image workflows. ### プロジェクトの歴史 The project traces back to Hayaki Saito's libsixel work, described as an implementation derived from kmiya's sixel encoder. Its README explains SIXEL as a Digital Equipment Corporation format for printer and terminal imaging whose data is represented as terminal-friendly escape sequences. A community fork under the libsixel GitHub organization continued the project after Saito stopped participating publicly in January 2020, according to the fork README. That fork collected improvements and security patches, later switching the build system to Meson for libsixel 2.0. ### 採用の歴史 libsixel rode a broader revival of terminal graphics. The README lists use in or integration with projects and workflows around gnuplot, Ghostscript, ImageMagick, lsix, FFmpeg-SIXEL, SDL experiments, w3m integration, GNU Screen forks, RetroArch, and terminal support in xterm, mlterm, iTerm2, WezTerm, and related emulators. The README also lists packaging through FreeBSD ports, pkgsrc, Homebrew, Debian, Arch, Gentoo, Ubuntu, NixOS, OpenBSD Ports, Fedora Copr, SlackBuilds, and MacPorts, which made it a common optional dependency for software that wants SIXEL output. ### 使われ方 Users most often meet libsixel through `img2sixel`, which converts images and animations into SIXEL escape sequences for display in a compatible terminal, and `sixel2png`, which decodes SIXEL back into PNG. Developers can use the C API and several language bindings to generate or decode SIXEL programmatically. The practical constraint is terminal support: when the terminal understands SIXEL, the output renders inline; when it does not, users see escape data or nothing useful. ### パッケージ好きにとっての重要性 libsixel is a package-nerd favorite because it compresses a lot of terminal history into one dependency: DEC hardware, escape sequences, image quantization, terminal emulator feature flags, and modern CLI image previews all meet in a small C library. It also shows how optional media support propagates through package managers. A plotting tool, terminal browser, or file manager may grow SIXEL support only when a distro or formula enables the right build option and ships libsixel. ### タイムライン - 1980s: DEC introduced SIXEL for printer and terminal imaging. - 2020-01: The community fork README records Saito's disappearance from public maintenance activity. - 2025-01-11: The libsixel organization release page records v1.10.5. - 2025-02-12: The libsixel organization repository was archived as read-only. ### Related projects - Related projects include the original saitoha/libsixel repository, kmiya's sixel encoder, mlterm, xterm, iTerm2, gnuplot, ImageMagick, Ghostscript, lsix, FFmpeg-SIXEL, and other terminal graphics protocols such as kitty graphics. ### ソース - - - - ## セキュリティノート library-like package without higher-risk signals. - **Geiger リスク:** グリーン / 低 - library-like package without higher-risk signals ## 他のパッケージマネージャ記録 - Debian apt - libsixel-bin - 1.10.5-1: normalized package name match | Debian stable package indexes: libsixel-bin from https://deb.debian.org/debian/dists/stable/main/binary-amd64/Packages.xz | DEC SIXEL graphics codec implementation (binary) | https://github.com/libsixel/libsixel - Debian apt - libsixel-dev - 1.10.5-1: normalized package name match | Debian stable package indexes: libsixel-dev from https://deb.debian.org/debian/dists/stable/main/binary-amd64/Packages.xz | DEC SIXEL graphics codec implementation (develop) | https://github.com/libsixel/libsixel - Debian apt - libsixel-examples - 1.10.5-1: normalized package name match | Debian stable package indexes: libsixel-examples from https://deb.debian.org/debian/dists/stable/main/binary-amd64/Packages.xz | DEC SIXEL graphics codec implementation (examples) | https://github.com/libsixel/libsixel - Debian apt - libsixel1 - 1.10.5-1: normalized package name match | Debian stable package indexes: libsixel1 from https://deb.debian.org/debian/dists/stable/main/binary-amd64/Packages.xz | DEC SIXEL graphics codec implementation (runtime) | https://github.com/libsixel/libsixel - Nix - libsixel: normalized package name match | nixpkgs package indexes: pkgs/by-name/li/libsixel/package.nix from https://api.github.com/repos/NixOS/nixpkgs/git/trees/master?recursive=1 - Ubuntu apt - libsixel-bin - 1.10.3-3build1: normalized package name match | Ubuntu 24.04 LTS package indexes: libsixel-bin from https://archive.ubuntu.com/ubuntu/dists/noble/universe/binary-amd64/Packages.gz | DEC SIXEL graphics codec implementation (binary) | https://github.com/libsixel/libsixel - Ubuntu apt - libsixel-dev - 1.10.3-3build1: normalized package name match | Ubuntu 24.04 LTS package indexes: libsixel-dev from https://archive.ubuntu.com/ubuntu/dists/noble/universe/binary-amd64/Packages.gz | DEC SIXEL graphics codec implementation (develop) | https://github.com/libsixel/libsixel - Ubuntu apt - libsixel-examples - 1.10.3-3build1: normalized package name match | Ubuntu 24.04 LTS package indexes: libsixel-examples from https://archive.ubuntu.com/ubuntu/dists/noble/universe/binary-amd64/Packages.gz | DEC SIXEL graphics codec implementation (examples) | https://github.com/libsixel/libsixel - Ubuntu apt - libsixel1 - 1.10.3-3build1: normalized package name match | Ubuntu 24.04 LTS package indexes: libsixel1 from https://archive.ubuntu.com/ubuntu/dists/noble/universe/binary-amd64/Packages.gz | DEC SIXEL graphics codec implementation (runtime) | https://github.com/libsixel/libsixel - apk - libsixel - 1.10.5-r0: normalized package name match | Alpine Linux edge package indexes: libsixel from https://dl-cdn.alpinelinux.org/alpine/edge/community/x86_64/APKINDEX.tar.gz | SIXEL encoder/decoder implementation | https://github.com/libsixel/libsixel - apk - libsixel-dev - 1.10.5-r0: normalized package name match | Alpine Linux edge package indexes: libsixel-dev from https://dl-cdn.alpinelinux.org/alpine/edge/community/x86_64/APKINDEX.tar.gz | SIXEL encoder/decoder implementation (development files) | https://github.com/libsixel/libsixel - apk - libsixel-doc - 1.10.5-r0: normalized package name match | Alpine Linux edge package indexes: libsixel-doc from https://dl-cdn.alpinelinux.org/alpine/edge/community/x86_64/APKINDEX.tar.gz | SIXEL encoder/decoder implementation (documentation) | https://github.com/libsixel/libsixel - apk - libsixel-tools - 1.10.5-r0: normalized package name match | Alpine Linux edge package indexes: libsixel-tools from https://dl-cdn.alpinelinux.org/alpine/edge/community/x86_64/APKINDEX.tar.gz | SIXEL encoder/decoder implementation | https://github.com/libsixel/libsixel - apk - libsixel-tools-bash-completion - 1.10.5-r0: normalized package name match | Alpine Linux edge package indexes: libsixel-tools-bash-completion from https://dl-cdn.alpinelinux.org/alpine/edge/community/x86_64/APKINDEX.tar.gz | SIXEL encoder/decoder implementation | https://github.com/libsixel/libsixel - apk - libsixel-tools-zsh-completion - 1.10.5-r0: normalized package name match | Alpine Linux edge package indexes: libsixel-tools-zsh-completion from https://dl-cdn.alpinelinux.org/alpine/edge/community/x86_64/APKINDEX.tar.gz | SIXEL encoder/decoder implementation | https://github.com/libsixel/libsixel - dnf - libsixel - 1.10.5-7.fc45: normalized package name match | Fedora Rawhide package metadata: libsixel from https://dl.fedoraproject.org/pub/fedora/linux/development/rawhide/Everything/x86_64/os/repodata/07190dc5ae9f35ae73866675fed6d95fe6e8d9fe22c9d7cdf85862cb2ed24a4c-primary.xml.zst | SIXEL encoding and decoding | https://github.com/libsixel/libsixel ## Combined YAML source View the package source record on GitHub. [combined/libsixel.yml](https://github.com/mxcl/pkgdb/blob/main/combined/libsixel.yml) ## ソース - 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