This tool is using github-linguist under the hood. It provides information about the languages used withing a project.
The result is returned in the following format:
[
{
"name": "Java",
"files": [
"/src/main/com.example/A.java"
"/src/main/com.example/B.java"
"/src/main/com.example/utils/C.java"
]
},
{
"name": "Python",
"files": [
"setup.py",
"abc/cde/run.py"
]
}
]