It's difficult to fix bugs and problems in workflow, if you don't know what went wrong and at which stage in the process it went wrong. That's why troubleshooting is a vital purpose of flowchart.

The Screenshot Flow app allows you to create diagrams really fast It’s really simple, actually. This app auto-generates flow diagrams from screenshots, which can be quite useful for some people.

It may not be your go-to flow chart app for most things, but it is actually a usable tool—especially when you can't work with images—and it's a lot more fun. ASCIIFlow.

Scope. This subcommittee will utilize symbols and identification per ANSI/ISA-5.1-2009, Instrumentation Symbols and Identification, in combination with other ISA standards, commonly used equipment ...