Packagist is the main Composer repository. It aggregates public PHP packages installable with Composer.
Create a *.lock file, such as to lock down upgrades from running concurrently.
Framework for storing messages in the session (alerts, notifications, etc)
Library for handling permissions.
Library for handling web-based sessions, for all things Crazed(Sanity).
XML/INI-based site configuration for PHP.
Version parsing class, derived from cs-content, mostly SemVer compliant
Library for handling scripted upgrades to a web application
Core libraries for the KK Bold CMS (kkcms)