Launch27 - Online booking & appointment scheduling.
ifttt - IFTTT puts the internet to work for you. Create simple connections between the products you use every day.
CleanTelligent - CleanTelligent is business management software built from the ground up for use by janitorial service companies.
Zapier - Connect the apps you use everyday to automate your work and be more productive. 1000+ apps and easy integrations - get started in minutes.
The Customer Factor - Field Service Management
n8n.io - Free and open fair-code licensed node based Workflow Automation Tool. Easily automate tasks across different services.