This is a code editor that supports code highlighting and color theme customization. Supported programming and markup languages are Batch, C, CoffeeScript, C++, C#, CSS, Dockerfile, F#, Go, Handlebars, HTML, Ini, Java, JavaScript, JSON, Kotlin, Less, Lua, Markdown, Objective-C, PHP , PowerShell, Pug, Python, R, Razor, Ruby, Rust, SCSS, SQL, Swift, TypeScript, Visual Basic, XML, YAML, and more.