TidyApp.ca - TIDY app is a US-based app that allows users to book cleaners for their home and Airbnb in 60 seconds
draw.io - Online diagramming application
Zoklean - Taking the hassle out of finding an awesome cleaning service
LucidChart - LucidChart is the missing link in online productivity suites. LucidChart allows users to create, collaborate on, and publish attractive flowcharts and other diagrams from a web browser.
DeluxeMaid - House Cleaning Service, Cleaning Service
PlantUML - PlantUML is an open-source tool that uses simple textual descriptions to draw UML diagrams.