Phemto is a dependency injector for PHP. Similar in concept to Pico container, but smaller. DI is for managing complex OO dependencies on a large project, e.g. for web frameworks. A cleaner alternative to registry or service locator patterns.
The PluginCore is a framework for building modular software out of a number of seperate plugins. The goal of the project is to build a robust framework that allows for hotswapping of running code with minimal interuption of the program as a whole.