hybridlogic/cron
PHP Crontab is a crontab written in pure PHP with support for parsing standard cron expressions. No shell access required.
时间：2013-01-12 12:45
havvg/cronparser
The Cronparser is a utility to check crontab entries against DateTime objects
时间：2013-01-08 17:16
hellogerard/jobby
Manage all your cron jobs without modifying crontab. Handles locking, logging, error emails, and more.
时间：2012-10-04 21:47
massivescale/celery-php
PHP client for Celery task queue
时间：2012-09-19 20:05
jms/job-queue-bundle
Allows to run and schedule Symfony console commands as background jobs.
时间：2012-09-06 14:38
bcc/cron-manager-bundle
A cron table manager bundle for Symfony
时间：2012-02-03 15:19