Most Notepad++ UserDefinedLanguage (UDL)

asciidoc (web page)

ExcelFormula

GraphViz

Markdown-plus-plus

notepadplusplus_structuredText

NppExec

NPP.SemanticMediaWiki

PlantUML_Notepad-_UDL

RTF Rich Text Format

Todo.txt

VisualStudioProject

Bibliography:

https://github.com/

https://notepad-plus-plus.org/

https://npp-user-manual.org/