• Issues
• Source
• Documentation
• Getting Started Guide and Installation Instructions
• Find Packages on Packagist
• CheatSheet - Overview of CLI commands and `composer.json` schema.
• GitHub
• Composer Installers - Composer installers for multiple frameworks.
• Official Website

Support

• Ask a new question
• Find questions tagged `composer-php`
• #composer - dev](https://webchat.freenode.net/#composer-dev) for development.
• Ask a new question
• Find questions tagged `composer-php`
• Ask a new question

Support

• Documentation for Plugins - This offical documentation is good starting point, when writing a Composer plugin.
• Composer-Dependency-Analyzer - Allows you to build a dependency graph for an installed composer project.
• PHPCodeSniffer-Composer-Installer - The plugin enables you to install [PHP_CodeSniffer](https://github.com/squizlabs/PHP_CodeSniffer) coding standards (rulesets).
• Composer-Asset-Plugin - A npm/Bower Dependencies Manager for Composer.
• Composer-AWS - The plugin loads repository data and downloads packages from Amazon S3 (with authentication support for private repositories).
• Composer-Composition - Provides an API, for checking your environment at runtime.
• Composer-Suggest - Enables you to install a custom group of suggested packages, based on keyword patterns.
• Composer-Versions-Check - Shows outdated packages from last major versions after using the update command (showing "Latest is vX.Y.Z").
• Composer-Changelogs - Provides a summary of the updates with links to changelog/releasenote/tag. The output is ready to be pasted into the commit message when updating the composer.lock file.
• Composer-Merge-Plugin - Merges multiple `composer.json` files at Composer runtime.
• Composer-Bin-Plugin - Adds support for managing dependencies for multiple packages in a single repository or isolate bin dependencies.
• Composer-Inheritance-Plugin - Opinionated version of Wikimedia composer-merge-plugin to work in pair with Bamarni composer-bin-plugin.
• Composer-MonoRepo-Plugin - The plugin helps to manage dependencies for multiple packages in a single repository.
• Composer-Patches-Plugin - Enables you to provide patches for any package from any package. When the dependency is fetched, the patch is applied on top.
• Composer-Patches - The plugin applies a patch from a local or remote file to any required package.
• Composer-Patches - Applies a patch from a local or remote file to any package that is part of a given composer project.
• Composer-Patchset - Automatically fetch, update and apply patches to any composer package with a twist - store the patchset as a composer package itself.
• Composer-Plugin-QA - Comprehensive Plugin for composer to execute PHP Quality assurance Tools.
• Composer-Cleanup-Plugin - Removes tests & documentation folders from the vendor dir.
• Composer-Cleaner - The tool removes unnecessary files and directories from the vendor directory.
• Composer-Ignore-Plugin - Enables you to remove files and folders from the vendor folder (to make a cleaner and smaller deployment to production). It's an alternative to `.gitattributes`.
• Composer-Vendor-Cleaner - Plugin removes unnecessary development files and directories from `vendor` directory by glob pattern syntax.
• Composer-Skrub - The plugin helps to remove junk from Composer installations and trim build sizes.
• Drupal Vendor Hardening Composer Plugin - Removes extraneous directories from the project's vendor directory & adds .htaccess and web.config files to the root of the project's vendor directory.
• Composer-Shared-Package-Plugin - Allows you to share selected packages between your projects by creating symlinks.
• Composer-Symlinker - Enables you to load packages from different directories (instead of loading them from /vendor).
• Prestissimo - A parallel downloader using `phpext_curl`.
• Composer-Curl-Plugin - The plugin uses `phpext_curl` for downloading packages.
• Composer-Custom-Directory-Installer - A composer plugin, to install different types of composer packages in custom directories outside the default composer installation path (vendor folder).
• Composer-Dependency-Analyzer - The plugin helps to find dependency issues, including dead, unused, shadow and misplaced dependencies.
• Graph-Composer - Provides a graph visualization for your project's `composer.json` and its dependencies.
• PackageVersions - Provides a very quick and easy access to installed composer dependency versions.
• PackageVersions Deprecated - Is a fork of Ocramius/PackageVersions providing compatibility with Composer 1 and 2 on PHP 7+.
• Composer-Locator - Provides a means of locating the installation path for a given Composer package name.
• PackageInfo - Enables you to retrieve all package informations (like version, tag, release date, description).
• Composer-Git-Hooks - A library for easily managing git hooks in your composer config.
• Symfony-Flex - Provides [recipe-based](https://github.com/symfony/recipes) installation and configuration management for Symfony packages.
• Narrowspark-Automatic - Automates the most common tasks of applications, boost package downloads, adds a composer security audit and more.
• PHPCodeSniffer-Composer-Installer - The plugin enables you to install [PHP_CodeSniffer](https://github.com/squizlabs/PHP_CodeSniffer) coding standards (rulesets).
• Composer-Warmup - The plugin adds the command `warmup-opcode` to Composer, which triggers the compilation of all PHP files discovered in your project into the Opcache.
• Foxy - Composer plugin that executes npm/yarn packages installation operations, when composer package is installed or updated.
• NodeJS-Installer - Installer for Node.js and npm.
• Node-Composer - Installer for Node.js, npm and yarn.
• Imposter-Plugin - Wrapping all composer vendor packages inside your own namespace. Intended for WordPress plugins.
• Composer Preload - The plugin generates a `vendor/preload.php` file to warm up the Opcache.
• PHP Inc - Automatically includes files for autoload and autoload-dev to facilitate using functions and grouped definitions within composer loaded applications.
• Composer Registry Manager - Enables you to switch between different composer repositories.
• Production-Dependencies-Guard - Prevents development packages from being added into require and getting into production environment.
• Composer-Plugin-Exclude-Files - A plugin for excluding files required by packages using the 'files' autoloading mechanism.
• Composer-Downloads-Plugin - Lightweight mechanism to download external resources (ZIP/TAR files) with only a `url` and `path`.
• Private-Composer-Installer - Install helper outsourcing sensitive keys from the package URL into environment variables.
• CycloneDX-PHP-Composer - Creates a [CycloneDX](https://cyclonedx.org/) "Software Bill-of-Materials" (SBOM) for the dependencies of a project. The SBOM enables dependency monitoring and risk analysis by [OWASP DependencyTrack](https://dependencytrack.org/).
• Composer-Compile-Plugin - Allow PHP libraries to define simple, freeform compilation tasks. Support post-install hooks in any package.
• Composer-Link - Adds the ability to link local packages for development.
• Composer-REPL - The plugin provides the `composer repl` command, which gives you a PHP language shell (read-eval-print loop).
• Composer-Diff - Compares `composer.lock` changes and generates a Markdown report for usage in a pull request description.
• Composer-Velocita - Fast and reliable Composer package downloads using [Velocita](https://github.com/isaaceindhoven/velocita-proxy): a caching reverse proxy that does not require you to modify your projects.

Support

• Composer SemVer Checker - Enables you identify constraint to version resolution issues, by doing a semantic version check for Packagist hosted packages.
• Composer SemVer Checker - Enables you identify constraint to version resolution issues, by doing a semantic version check for Packagist hosted packages.
• Composer-Yaml - This tool converts `composer.yml` to `composer.json`.
• Studio - A workbench for developing Composer packages. Its an alternative to editing dependencies in the vendor folder or using [PathRepositories](https://getcomposer.org/doc/05-repositories.md#path) to load a local clone of your dependency into your project.
• OctoLinker Browser Extension - Enables you to navigate Composer/NPM dependencies on GitHub.
• ComposerRequireChecker - A CLI tool to analyze dependencies and verify that no unknown imported symbols are used in the sources of a package.
• Composer-Unused - A CLI tool, which scans your code and shows unused Composer dependencies.
• Composer-Normalize - The plugin helps to keep your `composer.json` file(s) consistent by restructuring and sorting entries (normalizing).
• Composer-Service - Enables you to run Composer as a service on a remote server.
• Composer PreferLowest Checker - Strictly compare the specified minimum versions of your composer.json with the ones actually used by the prefer-lowest composer update command option.
• Bramus/Composer-Autocomplete - A Bash/Shell autocompletion script for Composer.
• Composer/Xdebug-Handler - Helps you to restart a CLI process without loading the xdebug extension.
• Composer Semver Range Checker - A tool to help check the satisfiable ranges of a composer constraint.

Packagist Mirrors

• packagist.phpindonesia.id
• packagist.org
• packagist.com.br
• php.cnpkg.org
• https://packagist.in/
• packagist.jp
• packagist.org
• packagist.com.br
• packagist.jp
• packagist.co.za
• https://pkg.xyz/
• https://packagist.kr/

Setup a Packagist Mirror

• Packagist Mirror - This script helps to setup a packagist mirror. It is the maintained and stable version of [Packagist Crawler](https://github.com/hirak/packagist-crawler).
• Docker Image - This Docker image helps to create a customized packagist mirror.
• Packagist Mirror from Indonesia - Another implementation for creating a packagist mirror.

Support

• Packanalyst - Packanalyst is a service that lets you browse in any PHP class / interface / trait defined in Packagist.
• Dependabot - Dependabot is a dependency update service. It monitors and updates your dependencies by sending a pull-request. The service is free for public repos and personal account repos.
• Dependabot - Dependabot is a dependency update service. It monitors and updates your dependencies by sending a pull-request. The service is free for public repos and personal account repos.
• Dependabot - Dependabot is a dependency update service. It monitors and updates your dependencies by sending a pull-request. The service is free for public repos and personal account repos.

Support

• A beginners guide to Composer
• A short & simple Composer tutorial
• Easy package management with Composer
• PHP Dependency Management with Composer
• Composer Primer
• PHP Composer Magento Tutorial by Alan Storm
• Creating and Using Composer Packages
• A beginners guide to Composer
• Easy package management with Composer
• PHP Composer Magento Tutorial by Alan Storm

Support

• Jordi Boggiano (seldaek)
• Nils Adermann (naderman)
• Composer Stability Flags
• Composer Versioning
• The long journey of making PHPs Composer memory-efficient and fast (toflar)

Support

• Composer Best Practices 2018 - Nils Adermann @ scotphp18
• Composer Best Practices 2018 - Nils Adermann @ phpday 2018
• Managing dependencies is more than running "composer update" - Nils Adermann @ phpsrb17
• Wonderful World of Composer
• PHP Composer Quickstart
• How Composer helped shape the new way of writing PHP - Nils Adermann @ Drupal Camp Frankfurt
• Composer Package Management - Nils Adermann @ T3CON12DE
• Composer 2 - Jordi Boggiano @ Symfony UK usergroup 2020
• Lessons learned building the Composer internals - Jordi Boggiano @ CODEiD Odessa PHP Conference 2017
• Composer Best Practices — Jordi Boggiano @ phptek 2015

Support

• PHP Reinvented - How Composer helped shape the new way of writing PHP
• Composer Update
• Dependency Management with Composer PHP Reinvented
• Composer.lock demystified
• Compoer In-Depth @ Contao Konferenz 2018
• Composer Best Practices 2018
• Developing and Deploying Magento with Composer Best Practices
• Composer Platform Config (check-platform-reqs) @ SymfonCon 2018
• Dependency Management with Composer (2013)
• In Depth with Composer (2013)
• Composer Best Practices (2015)
• Introduction to Composer (2015)
• Composer in 2016
• Lessons Learned Building the Composer Internals (2018)

Private Packagist

• Private Packagist Enterprise - On-premise self-hosted version of Private Packagist.
• Private Packagist Enterprise - On-premise self-hosted version of Private Packagist.
• Private Packagist API Client - A PHP client for the Private Packagist API. The client handles authentication, signature generation and access to all endpoints.

Repman

• repman.io - io/repman](https://github.com/repman-io/repman) - A Private PHP Package Repository Manager & Packagist Proxy.
• repman.io - io/repman](https://github.com/repman-io/repman) - A Private PHP Package Repository Manager & Packagist Proxy.
• repman-io/composer-plugin - This plugin enables downloading via Repman by adding a distribution mirror URL for all your dependencies (without need to update the `composer.lock` file).

Private repositories

• fxpio/tug - Enables you to host a private Composer registry on AWS Serverless serving your private PHP packages, which are hosted on GitHub or GitLab services.

Repman

• WordPress Packagist - Mirrors the WordPress plugin and theme directories as a Composer repository.
• Asset Packagist - Enables installation of Bower and NPM packages as native Composer packages.
• Firegento - A Composer Repository providing Magento Modules.
• Drupal Packagist - Composer repositories for Drupal 7 and 8 core, modules, and themes.
• Cloudsmith - A fully managed package management SaaS with PHP/Composer support (and many others).
• Satis Server - This docker container provides a Satis Server and enables you to run a private, self-hosted Composer repository with support for Git, Mercurial, and Subversion, HTTP API, HTTPs support, webhook handler and scheduled builds.
• Release Belt - Self–hosted Composer repository implementation to quickly integrate ZIP files of third party non–Composer releases.
• Packeton - Private self-hosted Composer repository for vendors. Fork of packagist with adding support for authorization, customer users, groups, webhooks.

Toran Proxy

• ToranProxy - In addition to providing a composer repository ToranProxy acts as a proxy server for Packagist and GitHub.

Satis

• Satisfy - Satis composer repository manager with a Web UI.
• GitLab-Composer - This is a branch/tag indexer for GitLab repositories.
• Satisfy - Satis composer repository manager with a Web UI.
• Satis Control Panel - A simple web UI for managing your Satis Repository with optional CI integration.
• Satis Go - A web server for managing Satis configuration and hosting the generated Composer repository.

Toran Proxy

• ![CC0
• Jens A. Koch

Support

• ParameterHandler - Allows you to manage your ignored parameters when running a composer install or update.
• Tooly - Manage needed PHAR files in your project `composer.json`. Every PHAR file will be saved in the composer binary directory. Optional with GPG verification for every PHAR.
• Melody - One-file composer scripts.
• Composer-Travis-Lint - Allows you to lint the Travis CI configuration file (`.travis.yml`).
• Composer-Multitest - Enables you to run a Composer script against multiple, locally installed PHP versions, which are managed by PHPBrew or phpenv.
• ScriptsDev - Enables you to use a `scripts-dev` section, which triggers scripts only in dev mode.
• PhantomJS-Installer - A Composer Package which installs the PhantomJS binary (Linux, Windows, Mac) into /bin of your project.
• Composer-Vendor-Cleanup - A script which removes whitelisted unnecessary files (like tests/docs etc.) from the vendor directory.
• Composer-Substitution-Plugin - A Composer plugin replacing placeholders in the `scripts` section by dynamic values.