• Documentation
• Specifications
• Repositories
• Packages
• People
• Stacks
• Tools
• IDE

Compilation of links to online resources about, for, and near Composer.

Documentation

• Composer documentation
• Composer GitHub project and issue tracker
• interactive composer.json cheat sheet

Specifications

• composer.json technical schema — check against with composer validate command
• SPDX license identifiers recognized by Composer
• Semantic Versioning

Repositories

• Packagist (GitHub)
• WordPress Packagist (GitHub)

Packages

• composer/installers (Packagist) — custom installer for frameworks’ paths (including WordPress extensions)
• johnpbloch/wordpress (Packagist) — automated fork of WordPress core, adding Composer support
• johnpbloch/wordpress-core-installer (Packagist) — custom installer for WordPress core to cleanly customize subdirectory path
• rarst/locate-vendor (Packagist) — small experimental helper to resolve vendor folder location

People

• Nils Adermann (@naderman) — Composer developer
• Jordi Boggiano (@seldaek) — Composer developer
• Andrey Savchenko (@Rarst) — made this site so gets to plug himself all over it
• Tamlyn Rhodes (@tamlyn) — WordPress Packagist developer
• John P Bloch — WordPress core installer developer
• #ComposerPHP on Twitter

Stacks

• WordPlate
• Bedrock

Tools

• Satis (Packagist) — static Composer repository generator
• Private Packagist — Composer package archive as a service for private source code and redundant infrastructure
• Release Belt — Composer repository implementation to easily host ZIP release archives.

IDE

• PhpStorm
  • Composer support