Pipedream - Integration platform for developers
ifttt - IFTTT puts the internet to work for you. Create simple connections between the products you use every day.
Zapier - Connect the apps you use everyday to automate your work and be more productive. 1000+ apps and easy integrations - get started in minutes.
Parabola - Automate manual processes without spreadsheets or code
Zenaton - Powerful & Easy Automation for Developers
Flow XO - Connect your cloud apps together into automated workflows.