ifttt - IFTTT puts the internet to work for you. Create simple connections between the products you use every day.
PlanSwift - PlanSwift allows contractors to create accurate project estimates specific to their individual trade.
Apache Airflow - Airflow is a platform to programmaticaly author, schedule and monitor data pipelines.
HCSS HeavyBid - Estimating software for the construction industry
Pipefy - Pipefy is a process management software that empowers anyone to create and automate efficient workflows on their own without code.
Methvin - Project management and estimating tool designed for the construction industry.