What are some alternatives?
When comparing Zapier and PieSync, you can also consider the following products
ifttt - IFTTT puts the internet to work for you. Create simple connections between the products you use every day.
Dell Boomi - The #1 Integration Cloud - Build Integrations anytime, anywhere with no coding required using Dell Boomi's industry leading iPaaS platform.
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!
Integromat - Tool for workflow automation
Xplenty - Xplenty gives you the power of Hadoop data processing without the need for installing hardware or software, and without the need for Hadoop programming skills.It's all in the cloud.
MuleSoft Anypoint Platform - Anypoint Platform is a unified, highly productive, hybrid integration platform that creates an application network of apps, data and devices with API-led connectivity.