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.
drest : Configurable HTTP/REST Client Library for Python
librehosters : librehosters is a network of cooperation and solidarity that uses free software to encourage decentralisation through federation and distributed platf...
Cadence : Cadence is a distributed, scalable, durable, and highly available orchestration engine we developed at Uber Engineering to execute asynchronous long-r...
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.