SeenMulti-Language KeywordsWrite code using keywords in English, Arabic, or other languages. Seen's lexer supports swappable keyword tables for native-language programming.
Self-Hosted CompilerThe Seen compiler is written in Seen itself. A fully bootstrapped, self-hosting compiler that compiles its own source code.
LLVM BackendGenerates optimized native code via LLVM IR. Get production-grade performance with automatic optimizations from the LLVM toolchain.
Interactive PlaygroundTry Seen directly in your browser with a full-featured code editor, example programs, and instant compilation feedback.
Familiar syntax, powerful features
class Animal {
var name: string
var sound: string
init(name: string, sound: string) {
self.name = name
self.sound = sound
}
func speak() {
print(self.name + " says " + self.sound)
}
}
var cat = Animal("Cat", "Meow")
cat.speak() // Cat says Meow
Seen supports classes, inheritance, closures, and more—all compiled to native code through LLVM. The self-hosted compiler ensures the language eats its own dog food.Ready to try Seen?Jump into the interactive playground and start writing Seen code in your browser.