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!
Microsoft Flow - Similar to IFTTT and Zapier you can create automated tasks based on APIs from various services.
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.
Integromat - Tool for workflow automation
HarmonyPSA - HarmonyPSA - Professional Services Automation (PSA) for IT Businesses