Kraken Framework : Kraken is the first and only multi-processed, multi-threaded, fault-tolerant framework for PHP. It has been written to provide easy and reliable API f...
Faktory : Faktory is a language-agnostic, persistent background job system.
human.io : A system for coordinating the activities of users via their mobile phones.
librosa : librosa is a python package for music and audio analysis. It provides the building blocks necessary to create music information retrieval systems.
ZeroDB : ZeroDB enables clients to run queries over encrypted databases without exposing decrypted data to the server and without a proxy gateway.
Celery is an asynchronous task queue/job queue based on distributed message passing. It is focused on real-time operation, but supports scheduling as well.