EasyCron

https://www.easycron.com
Price
Free / $7.95 - $99.95 per year
Blog
http://blog.easycron.com/
Developers
Cron Job Scheduler
WordPress Cron Plugin
Drupal Cron Module
Cron Job Tutorials
API Document
Crontab Syntax Generator
Cron Job Run Time Predictor

Features

Support HTTPS
Supported
Post Method
Supported
HTTP Authentication
Supported
Cron Job Cookies
Supported

Homepage Screenshot

Easycron Homepage