diff --git a/Cargo.lock b/Cargo.lock
index a56ac5c2..f24e0a8a 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -342,6 +342,16 @@ version = "0.2.81"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1482821306169ec4d07f6aca392a4681f66c75c9918aa49641a2595db64053cb"
 
+[[package]]
+name = "libnac3"
+version = "0.1.0"
+dependencies = [
+ "inkwell",
+ "num-bigint",
+ "num-traits",
+ "rustpython-parser",
+]
+
 [[package]]
 name = "llvm-sys"
 version = "100.2.0"
@@ -380,12 +390,11 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0ee1c47aaa256ecabcaea351eae4a9b01ef39ed810004e298d2511ed284b1525"
 
 [[package]]
-name = "nac3"
+name = "nac3standalone"
 version = "0.1.0"
 dependencies = [
  "inkwell",
- "num-bigint",
- "num-traits",
+ "libnac3",
  "rustpython-parser",
 ]
 
diff --git a/Cargo.toml b/Cargo.toml
index 9ad0e4f1..8e5c931d 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,11 +1,5 @@
-[package]
-name = "nac3"
-version = "0.1.0"
-authors = ["Sebastien Bourdeauducq <sb@m-labs.hk>"]
-edition = "2018"
-
-[dependencies]
-num-bigint = "0.3"
-num-traits = "0.2"
-inkwell = { git = "https://github.com/TheDan64/inkwell", branch = "master", features = ["llvm10-0"] }
-rustpython-parser = { git = "https://github.com/RustPython/RustPython", branch = "master" }
+[workspace]
+members = [
+  "libnac3",
+  "nac3standalone",
+]
diff --git a/libnac3/Cargo.toml b/libnac3/Cargo.toml
new file mode 100644
index 00000000..86d5842e
--- /dev/null
+++ b/libnac3/Cargo.toml
@@ -0,0 +1,11 @@
+[package]
+name = "libnac3"
+version = "0.1.0"
+authors = ["M-Labs"]
+edition = "2018"
+
+[dependencies]
+num-bigint = "0.3"
+num-traits = "0.2"
+inkwell = { git = "https://github.com/TheDan64/inkwell", branch = "master", features = ["llvm10-0"] }
+rustpython-parser = { git = "https://github.com/RustPython/RustPython", branch = "master" }
diff --git a/src/main.rs b/libnac3/src/lib.rs
similarity index 96%
rename from src/main.rs
rename to libnac3/src/lib.rs
index 7afecd72..80a0a653 100644
--- a/src/main.rs
+++ b/libnac3/src/lib.rs
@@ -6,11 +6,10 @@ use std::error::Error;
 use std::fmt;
 use std::path::Path;
 use std::collections::HashMap;
-use std::fs;
 
 use num_traits::cast::ToPrimitive;
 
-use rustpython_parser::{ast, parser};
+use rustpython_parser::ast;
 
 use inkwell::OptimizationLevel;
 use inkwell::builder::Builder;
@@ -58,7 +57,7 @@ impl fmt::Display for CompileErrorKind {
 }
 
 #[derive(Debug)]
-struct CompileError {
+pub struct CompileError {
     location: ast::Location,
     kind: CompileErrorKind,
 }
@@ -73,7 +72,7 @@ impl Error for CompileError {}
 
 type CompileResult<T> = Result<T, CompileError>;
 
-struct CodeGen<'ctx> {
+pub struct CodeGen<'ctx> {
     context: &'ctx Context,
     module: Module<'ctx>,
     pass_manager: passes::PassManager<values::FunctionValue<'ctx>>,
@@ -84,7 +83,7 @@ struct CodeGen<'ctx> {
 }
 
 impl<'ctx> CodeGen<'ctx> {
-    fn new(context: &'ctx Context) -> CodeGen<'ctx> {
+    pub fn new(context: &'ctx Context) -> CodeGen<'ctx> {
         let module = context.create_module("kernel");
 
         let pass_manager = passes::PassManager::create(&module);
@@ -538,7 +537,7 @@ impl<'ctx> CodeGen<'ctx> {
         Ok(())
     }
 
-    fn compile_toplevel(&mut self, statement: &ast::Statement) -> CompileResult<()> {
+    pub fn compile_toplevel(&mut self, statement: &ast::Statement) -> CompileResult<()> {
         self.set_source_location(statement.location);
         if let ast::StatementType::FunctionDef {
                     is_async,
@@ -556,11 +555,11 @@ impl<'ctx> CodeGen<'ctx> {
         }
     }
 
-    fn print_ir(&self) {
+    pub fn print_ir(&self) {
         self.module.print_to_stderr();
     }
 
-    fn output(&self) {
+    pub fn output(&self) {
         //let triple = TargetTriple::create("riscv32-none-linux-gnu");
         let triple = TargetMachine::get_default_triple();
         let target = Target::from_triple(&triple)
@@ -582,25 +581,3 @@ impl<'ctx> CodeGen<'ctx> {
             .expect("couldn't write module to file");
     }
 }
-
-fn main() {
-    Target::initialize_all(&InitializationConfig::default());
-
-    let program = match fs::read_to_string("test.py") {
-        Ok(program) => program,
-        Err(err) => { println!("Cannot open input file: {}", err); return; }
-    };
-    let ast = match parser::parse_program(&program) {
-        Ok(ast) => ast,
-        Err(err) => { println!("Parse error: {}", err); return; }
-    };
-
-    let context = Context::create();
-    let mut codegen = CodeGen::new(&context);
-    match codegen.compile_toplevel(&ast.statements[0]) {
-        Ok(_) => (),
-        Err(err) => { println!("Compilation error: {}", err); return; }
-    }
-    codegen.print_ir();
-    codegen.output();
-}
diff --git a/nac3standalone/Cargo.toml b/nac3standalone/Cargo.toml
new file mode 100644
index 00000000..6dc0fc63
--- /dev/null
+++ b/nac3standalone/Cargo.toml
@@ -0,0 +1,10 @@
+[package]
+name = "nac3standalone"
+version = "0.1.0"
+authors = ["M-Labs"]
+edition = "2018"
+
+[dependencies]
+inkwell = { git = "https://github.com/TheDan64/inkwell", branch = "master", features = ["llvm10-0"] }
+rustpython-parser = { git = "https://github.com/RustPython/RustPython", branch = "master" }
+libnac3 = { path = "../libnac3" }
diff --git a/demo.c b/nac3standalone/demo.c
similarity index 100%
rename from demo.c
rename to nac3standalone/demo.c
diff --git a/nac3standalone/src/main.rs b/nac3standalone/src/main.rs
new file mode 100644
index 00000000..a2a80c29
--- /dev/null
+++ b/nac3standalone/src/main.rs
@@ -0,0 +1,30 @@
+use std::fs;
+
+use inkwell::context::Context;
+use inkwell::targets::*;
+use rustpython_parser::parser;
+
+use libnac3::CodeGen;
+
+
+fn main() {
+    Target::initialize_all(&InitializationConfig::default());
+
+    let program = match fs::read_to_string("test.py") {
+        Ok(program) => program,
+        Err(err) => { println!("Cannot open input file: {}", err); return; }
+    };
+    let ast = match parser::parse_program(&program) {
+        Ok(ast) => ast,
+        Err(err) => { println!("Parse error: {}", err); return; }
+    };
+
+    let context = Context::create();
+    let mut codegen = CodeGen::new(&context);
+    match codegen.compile_toplevel(&ast.statements[0]) {
+        Ok(_) => (),
+        Err(err) => { println!("Compilation error: {}", err); return; }
+    }
+    codegen.print_ir();
+    codegen.output();
+}
diff --git a/test.py b/nac3standalone/test.py
similarity index 100%
rename from test.py
rename to nac3standalone/test.py