What are some alternatives?
ifttt - IFTTT puts the internet to work for you. Create simple connections between the products you use every day.
Bitrix24 - Bitrix24 is a free (for small businesses) social enterprise platform. It is a united work space which handles the many aspects of daily operations and tasks. Create your own social intranet in minutes!
Airflow - Airflow is a platform to programmaticaly author, schedule and monitor data pipelines.
KiSSFLOW - KiSSFLOW is a workflow tool & business process workflow management software to automate your workflow process. Rated #1 cloud workflow software in Google Apps Marketplace.
HarmonyPSA - HarmonyPSA - Professional Services Automation (PSA) for IT Businesses
Pushwoosh - Push Notifications Service | Your Apps Can Talk!