一种支持依赖关系、任务兜底策略的任务调度管理工具。API灵活易用，稳定可靠。轻松提交主线程任务、异步任务。支持周期性任务，顺序执行任务，并行任务等。

PHP multi-processing task dispatcher with managing workers

Task dispatcher and scheduler for Postgres

Small async task executor service, that allow perform tasks in parallel, cancel them and retrieve results

Herald is a framework written in go for managing server maintenance tasks

A concurrency dispatching module called Pipe Pool written in Golang

Herald daemon

A flexible task dispatcher for Python with multiple threading or processing control