Tradify - Tradify is a Job Management software for the trade contractor it can track every job from quote to invoice, helps to stay on top of workflow by tracking the jobs and team at all times.
ifttt - IFTTT puts the internet to work for you. Create simple connections between the products you use every day.
Fergus - Job management software for plumbers & electricians
Apache Airflow - Airflow is a platform to programmaticaly author, schedule and monitor data pipelines.
Clik - Clik Service helps field service industries organise every aspect of their business. The most important features include scheduling engineers, creating bespoke reports, invoicing, managing customers, raising job sheets and tracking stock.
Pipefy - Pipefy is a process management software that empowers anyone to create and automate efficient workflows on their own without code.