nwdiag
There are 3 repositories under nwdiag topic.
zhustec/jekyll-diagrams
A Jekyll plugin with support for Blockdiag, Erd, GraphViz, Mermaid, Nomnoml, PlantUML, Svgbob, Syntrax, Vega, Vega-Lite and WaveDrom.
sathukorale/graph-generator
A simple node server that can convert a selected set of diagram'ing code such as dot or PlantUML to their respective image file.