A command and optionally reports its output by mail
Schedule events to run in a cron-like fashion
A program to archive output generated from cron jobs
Javacrond is a Java scheduler.
Kommander crontab was created to make some capabilities available to you in your applications, though it will work stand alone.
tcron is a tool that integrates ‘cron’ with ATX power-up capability.
safecat implements Dan Bernstein’s maildir algorithm, copying standard input safely to a specified directory.
runcronjobs is a script to run centralized cron jobs.