OnPay - Payroll and HR that make business a breeze
draw.io - Online diagramming application
Viventium - Viventium is a cloud-based payroll and human resource software solution designed for small to midsize businesses.
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.
Tribe HR - The best Online Human Resources Software for small & medium businesses, simplifying frustrating HR management challenges.
PlantUML - PlantUML is an open-source tool that uses simple textual descriptions to draw UML diagrams.