Packagist is the main Composer repository. It aggregates public PHP packages installable with Composer.
Abandoned! See amphp/amp
A stream abstraction to make working with non-blocking I/O simple.
Abandoned! See amphp/byte-stream
A promise interface for interoperability in async operations.
Abandoned! See async-interop/promise
Event Emitter is a library that allows objects to emit events that invoke a set of registered callbacks.
Abandoned! See Observables in icicleio/icicle