Terminal diagram generation tools
There are some tools to generate diagrams that output to the terminal and the spec is some DSL:
- groff: available everywhere , using pic DSL
- graph-easy http://search.cpan.org/~tels/Graph-Easy/bin/graph-easy
- ADia https://github.com/pylover/adia python, only sequence diagrams
- pikchr: https://pikchr.org/home/doc/trunk/homepage.md