diff --git a/Cargo.toml b/Cargo.toml
index d926ac2..a5103ef 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -11,13 +11,24 @@ readme = "README.md"
 default = ["all"]
 all = ["timers", "url", "console", "sqlite"]
 
-timers = ["tokio/time"]
-url = []
-console = []
-sqlite = ["sqlx"]
+timers = ["rquickjs-extra-timers"]
+url = ["rquickjs-extra-url"]
+console = ["rquickjs-extra-console"]
+sqlite = ["rquickjs-extra-sqlite"]
 
 [dependencies]
+rquickjs-extra-console = { path = "modules/console", optional = true }
+rquickjs-extra-sqlite = { path = "modules/sqlite", optional = true }
+rquickjs-extra-timers = { path = "modules/timers", optional = true }
+rquickjs-extra-url = { path = "modules/url", optional = true }
+
+[workspace]
+resolver = "2"
+members = ["modules/*", "libs/*"]
+
+[workspace.dependencies]
 either = "1"
+futures = { version = "0.3" }
 log = { version = "0.4" }
 rquickjs = { version = "0.6", features = [
   "array-buffer",
@@ -28,9 +39,5 @@ rquickjs = { version = "0.6", features = [
 sqlx = { version = "0.8.2", default-features = false, features = [
   "sqlite",
   "runtime-tokio",
-], optional = true }
+] }
 tokio = { version = "1" }
-
-[dev-dependencies]
-futures = { version = "0.3" }
-tokio = { version = "1", features = ["full"] }
diff --git a/libs/test/Cargo.toml b/libs/test/Cargo.toml
new file mode 100644
index 0000000..46a7da7
--- /dev/null
+++ b/libs/test/Cargo.toml
@@ -0,0 +1,13 @@
+[package]
+name = "rquickjs-extra-test"
+description = "Test library for RQuickJS"
+version = "0.0.1"
+edition = "2021"
+license = "Apache-2.0"
+repository = "https://github.com/rquickjs/rquickjs-extra"
+readme = "README.md"
+
+[dependencies]
+futures = { workspace = true }
+rquickjs = { workspace = true }
+tokio = { workspace = true, features = ["full"] }
diff --git a/src/test.rs b/libs/test/src/lib.rs
similarity index 100%
rename from src/test.rs
rename to libs/test/src/lib.rs
diff --git a/libs/utils/Cargo.toml b/libs/utils/Cargo.toml
new file mode 100644
index 0000000..33a875b
--- /dev/null
+++ b/libs/utils/Cargo.toml
@@ -0,0 +1,11 @@
+[package]
+name = "rquickjs-extra-utils"
+description = "Utils library for RQuickJS"
+version = "0.0.1"
+edition = "2021"
+license = "Apache-2.0"
+repository = "https://github.com/rquickjs/rquickjs-extra"
+readme = "README.md"
+
+[dependencies]
+rquickjs = { workspace = true }
diff --git a/src/ffi/c_string.rs b/libs/utils/src/ffi/c_string.rs
similarity index 95%
rename from src/ffi/c_string.rs
rename to libs/utils/src/ffi/c_string.rs
index 7cc7fca..27de0dd 100644
--- a/src/ffi/c_string.rs
+++ b/libs/utils/src/ffi/c_string.rs
@@ -42,6 +42,10 @@ impl<'js> CString<'js> {
         self.len
     }
 
+    pub fn is_empty(&self) -> bool {
+        self.len == 0
+    }
+
     pub fn as_str(&self) -> Result<&str> {
         let bytes = unsafe { slice::from_raw_parts(self.ptr as *const u8, self.len) };
         str::from_utf8(bytes)
diff --git a/src/ffi/c_vec.rs b/libs/utils/src/ffi/c_vec.rs
similarity index 88%
rename from src/ffi/c_vec.rs
rename to libs/utils/src/ffi/c_vec.rs
index d7be3bd..1515f33 100644
--- a/src/ffi/c_vec.rs
+++ b/libs/utils/src/ffi/c_vec.rs
@@ -1,6 +1,6 @@
 use rquickjs::{Result, TypedArray, Value};
 
-use crate::utils::result::ResultExt;
+use crate::result::ResultExt;
 
 #[derive(Debug)]
 pub struct CVec<'js> {
@@ -29,6 +29,10 @@ impl<'js> CVec<'js> {
         self.len
     }
 
+    pub fn is_empty(&self) -> bool {
+        self.len == 0
+    }
+
     pub fn as_slice(&self) -> &[u8] {
         unsafe { std::slice::from_raw_parts(self.ptr, self.len) }
     }
diff --git a/src/ffi/mod.rs b/libs/utils/src/ffi/mod.rs
similarity index 100%
rename from src/ffi/mod.rs
rename to libs/utils/src/ffi/mod.rs
diff --git a/src/utils/mod.rs b/libs/utils/src/lib.rs
similarity index 71%
rename from src/utils/mod.rs
rename to libs/utils/src/lib.rs
index a5fc50c..76f2311 100644
--- a/src/utils/mod.rs
+++ b/libs/utils/src/lib.rs
@@ -1,2 +1,3 @@
+pub mod ffi;
 pub mod module;
 pub mod result;
diff --git a/src/utils/module.rs b/libs/utils/src/module.rs
similarity index 100%
rename from src/utils/module.rs
rename to libs/utils/src/module.rs
diff --git a/src/utils/result.rs b/libs/utils/src/result.rs
similarity index 100%
rename from src/utils/result.rs
rename to libs/utils/src/result.rs
diff --git a/modules/console/Cargo.toml b/modules/console/Cargo.toml
new file mode 100644
index 0000000..3374e73
--- /dev/null
+++ b/modules/console/Cargo.toml
@@ -0,0 +1,15 @@
+[package]
+name = "rquickjs-extra-console"
+description = "Console module for RQuickJS"
+version = "0.0.1"
+edition = "2021"
+license = "Apache-2.0"
+repository = "https://github.com/rquickjs/rquickjs-extra"
+readme = "README.md"
+
+[dependencies]
+log = { workspace = true }
+rquickjs = { workspace = true }
+
+[dev-dependencies]
+rquickjs-extra-test = { path = "../../libs/test" }
diff --git a/src/modules/console/formatter.rs b/modules/console/src/formatter.rs
similarity index 99%
rename from src/modules/console/formatter.rs
rename to modules/console/src/formatter.rs
index ccc76bb..a6d2376 100644
--- a/src/modules/console/formatter.rs
+++ b/modules/console/src/formatter.rs
@@ -220,8 +220,9 @@ impl FormatterBuilder {
 
 #[cfg(test)]
 mod tests {
+    use rquickjs_extra_test::test_with;
+
     use super::*;
-    use crate::test::test_with;
 
     type StdString = std::string::String;
 
diff --git a/src/modules/console/mod.rs b/modules/console/src/lib.rs
similarity index 98%
rename from src/modules/console/mod.rs
rename to modules/console/src/lib.rs
index 11f886c..47b5c24 100644
--- a/src/modules/console/mod.rs
+++ b/modules/console/src/lib.rs
@@ -94,8 +94,9 @@ pub fn init(ctx: &Ctx<'_>) -> Result<()> {
 
 #[cfg(test)]
 mod tests {
+    use rquickjs_extra_test::test_with;
+
     use super::*;
-    use crate::test::test_with;
 
     #[test]
     fn test_console() {
diff --git a/modules/os/Cargo.toml b/modules/os/Cargo.toml
new file mode 100644
index 0000000..9360a91
--- /dev/null
+++ b/modules/os/Cargo.toml
@@ -0,0 +1,14 @@
+[package]
+name = "rquickjs-extra-os"
+description = "OS module for RQuickJS"
+version = "0.0.1"
+edition = "2021"
+license = "Apache-2.0"
+repository = "https://github.com/rquickjs/rquickjs-extra"
+readme = "README.md"
+
+[dependencies]
+
+[dev-dependencies]
+futures = { version = "0.3" }
+tokio = { version = "1", features = ["full"] }
diff --git a/modules/os/src/lib.rs b/modules/os/src/lib.rs
new file mode 100644
index 0000000..e69de29
diff --git a/modules/sqlite/Cargo.toml b/modules/sqlite/Cargo.toml
new file mode 100644
index 0000000..a0d01e0
--- /dev/null
+++ b/modules/sqlite/Cargo.toml
@@ -0,0 +1,18 @@
+[package]
+name = "rquickjs-extra-sqlite"
+description = "SQLite module for RQuickJS"
+version = "0.0.1"
+edition = "2021"
+license = "Apache-2.0"
+repository = "https://github.com/rquickjs/rquickjs-extra"
+readme = "README.md"
+
+[dependencies]
+either = { workspace = true }
+rquickjs = { workspace = true }
+rquickjs-extra-utils = { path = "../../libs/utils" }
+sqlx = { workspace = true }
+
+[dev-dependencies]
+rquickjs-extra-test = { path = "../../libs/test" }
+tokio = { workspace = true, features = ["full"] }
diff --git a/src/modules/sqlite/argument.rs b/modules/sqlite/src/argument.rs
similarity index 95%
rename from src/modules/sqlite/argument.rs
rename to modules/sqlite/src/argument.rs
index 963fdcc..8929c71 100644
--- a/src/modules/sqlite/argument.rs
+++ b/modules/sqlite/src/argument.rs
@@ -1,11 +1,10 @@
 use rquickjs::{Ctx, Exception, FromJs, Result, TypedArray};
+use rquickjs_extra_utils::ffi::{CString, CVec};
+use rquickjs_extra_utils::result::ResultExt;
 use sqlx::query::Query;
 use sqlx::sqlite::SqliteArguments;
 use sqlx::Sqlite;
 
-use crate::ffi::{CString, CVec};
-use crate::utils::result::ResultExt;
-
 #[derive(Debug)]
 pub enum Argument<'js> {
     Null,
diff --git a/src/modules/sqlite/database.rs b/modules/sqlite/src/database.rs
similarity index 95%
rename from src/modules/sqlite/database.rs
rename to modules/sqlite/src/database.rs
index 757091e..45900a7 100644
--- a/src/modules/sqlite/database.rs
+++ b/modules/sqlite/src/database.rs
@@ -1,8 +1,8 @@
 use rquickjs::{Ctx, Result};
+use rquickjs_extra_utils::result::ResultExt;
 use sqlx::{Executor, SqlitePool};
 
 use super::Statement;
-use crate::utils::result::ResultExt;
 
 #[rquickjs::class]
 #[derive(rquickjs::class::Trace)]
@@ -41,9 +41,9 @@ impl Database {
 #[cfg(test)]
 mod tests {
     use rquickjs::CatchResultExt;
+    use rquickjs_extra_test::{call_test, test_async_with, ModuleEvaluator};
 
-    use crate::sqlite::SqliteModule;
-    use crate::test::{call_test, test_async_with, ModuleEvaluator};
+    use crate::SqliteModule;
 
     #[tokio::test]
     async fn test_database_exec() {
diff --git a/src/modules/sqlite/mod.rs b/modules/sqlite/src/lib.rs
similarity index 94%
rename from src/modules/sqlite/mod.rs
rename to modules/sqlite/src/lib.rs
index 90876b8..a04787c 100644
--- a/src/modules/sqlite/mod.rs
+++ b/modules/sqlite/src/lib.rs
@@ -3,13 +3,13 @@ use rquickjs::{
     module::{Declarations, Exports, ModuleDef},
     Class, Ctx, Result,
 };
+use rquickjs_extra_utils::module::export_default;
 
 pub use self::argument::Argument;
 pub use self::database::Database;
 pub use self::open::{open, OpenOptions};
 pub use self::statement::Statement;
 pub use self::value::Value;
-use crate::utils::module::export_default;
 
 mod argument;
 mod database;
diff --git a/src/modules/sqlite/open.rs b/modules/sqlite/src/open.rs
similarity index 98%
rename from src/modules/sqlite/open.rs
rename to modules/sqlite/src/open.rs
index b9ee359..88f9bef 100644
--- a/src/modules/sqlite/open.rs
+++ b/modules/sqlite/src/open.rs
@@ -6,10 +6,9 @@ use std::{
 
 use either::Either;
 use rquickjs::{Ctx, FromJs, Null, Object, Result, Value};
+use rquickjs_extra_utils::result::ResultExt;
 use sqlx::sqlite::{SqliteConnectOptions, SqlitePoolOptions};
 
-use crate::utils::result::ResultExt;
-
 use super::Database;
 
 static IN_MEMORY_DB_SEQ: AtomicUsize = AtomicUsize::new(0);
diff --git a/src/modules/sqlite/statement.rs b/modules/sqlite/src/statement.rs
similarity index 97%
rename from src/modules/sqlite/statement.rs
rename to modules/sqlite/src/statement.rs
index 1eb4254..745698e 100644
--- a/src/modules/sqlite/statement.rs
+++ b/modules/sqlite/src/statement.rs
@@ -1,12 +1,11 @@
 use rquickjs::function::Rest;
 use rquickjs::{Ctx, Object, Result};
+use rquickjs_extra_utils::result::ResultExt;
 use sqlx::query::Query;
 use sqlx::sqlite::SqliteArguments;
 use sqlx::Sqlite;
 use sqlx::{sqlite::SqliteStatement, Column as _, Row as _, SqlitePool, Statement as _};
 
-use crate::utils::result::ResultExt;
-
 use super::{Argument, Value};
 
 #[rquickjs::class]
@@ -101,9 +100,9 @@ impl Statement {
 #[cfg(test)]
 mod tests {
     use rquickjs::CatchResultExt;
+    use rquickjs_extra_test::{call_test, test_async_with, ModuleEvaluator};
 
-    use crate::sqlite::SqliteModule;
-    use crate::test::{call_test, test_async_with, ModuleEvaluator};
+    use crate::SqliteModule;
 
     #[tokio::test]
     async fn test_statement_all() {
diff --git a/src/modules/sqlite/value.rs b/modules/sqlite/src/value.rs
similarity index 97%
rename from src/modules/sqlite/value.rs
rename to modules/sqlite/src/value.rs
index 4280965..ac8030d 100644
--- a/src/modules/sqlite/value.rs
+++ b/modules/sqlite/src/value.rs
@@ -1,9 +1,8 @@
 use rquickjs::{Ctx, Exception, IntoJs, Result, String, TypedArray};
+use rquickjs_extra_utils::result::ResultExt;
 use sqlx::sqlite::{SqliteColumn, SqliteRow};
 use sqlx::{Column as _, Decode, Row as _, TypeInfo as _, ValueRef};
 
-use crate::utils::result::ResultExt;
-
 pub enum Value<'q> {
     Null,
     Integer(i64),
diff --git a/modules/timers/Cargo.toml b/modules/timers/Cargo.toml
new file mode 100644
index 0000000..0994f29
--- /dev/null
+++ b/modules/timers/Cargo.toml
@@ -0,0 +1,18 @@
+[package]
+name = "rquickjs-extra-timers"
+description = "Timers module for RQuickJS"
+version = "0.0.1"
+edition = "2021"
+license = "Apache-2.0"
+repository = "https://github.com/rquickjs/rquickjs-extra"
+readme = "README.md"
+
+[dependencies]
+log = { workspace = true }
+rquickjs = { workspace = true }
+tokio = { workspace = true, features = ["time"] }
+
+[dev-dependencies]
+futures = { workspace = true }
+rquickjs-extra-test = { path = "../../libs/test" }
+tokio = { workspace = true, features = ["full"] }
diff --git a/src/modules/timers.rs b/modules/timers/src/lib.rs
similarity index 99%
rename from src/modules/timers.rs
rename to modules/timers/src/lib.rs
index 624ba8f..f0cd657 100644
--- a/src/modules/timers.rs
+++ b/modules/timers/src/lib.rs
@@ -113,9 +113,9 @@ mod tests {
     use futures::FutureExt;
     use rquickjs::promise::Promise;
     use rquickjs::CatchResultExt;
+    use rquickjs_extra_test::test_async_with;
 
     use super::*;
-    use crate::test::test_async_with;
 
     #[tokio::test]
     async fn test_set_timeout() {
diff --git a/modules/url/Cargo.toml b/modules/url/Cargo.toml
new file mode 100644
index 0000000..06a7056
--- /dev/null
+++ b/modules/url/Cargo.toml
@@ -0,0 +1,15 @@
+[package]
+name = "rquickjs-extra-url"
+description = "URL module for RQuickJS"
+version = "0.0.1"
+edition = "2021"
+license = "Apache-2.0"
+repository = "https://github.com/rquickjs/rquickjs-extra"
+readme = "README.md"
+
+[dependencies]
+either = { workspace = true }
+rquickjs = { workspace = true }
+
+[dev-dependencies]
+rquickjs-extra-test = { path = "../../libs/test" }
diff --git a/src/modules/url/mod.rs b/modules/url/src/lib.rs
similarity index 100%
rename from src/modules/url/mod.rs
rename to modules/url/src/lib.rs
diff --git a/src/modules/url/url_search_params.rs b/modules/url/src/url_search_params.rs
similarity index 99%
rename from src/modules/url/url_search_params.rs
rename to modules/url/src/url_search_params.rs
index 79c7c0e..4f0e53b 100644
--- a/src/modules/url/url_search_params.rs
+++ b/modules/url/src/url_search_params.rs
@@ -325,9 +325,9 @@ impl<'js> FromJs<'js> for URLSearchParamsInput<'js> {
 #[cfg(test)]
 mod tests {
     use rquickjs::{CatchResultExt, Class};
+    use rquickjs_extra_test::test_with;
 
     use super::*;
-    use crate::test::test_with;
 
     #[test]
     fn test_basic() {
diff --git a/src/lib.rs b/src/lib.rs
index e9b3ec8..4c2f224 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,7 +1,11 @@
-pub use self::modules::*;
+#[cfg(feature = "console")]
+pub use rquickjs_extra_console as console;
 
-mod ffi;
-mod modules;
-#[cfg(test)]
-mod test;
-mod utils;
+#[cfg(feature = "sqlite")]
+pub use rquickjs_extra_sqlite as sqlite;
+
+#[cfg(feature = "timers")]
+pub use rquickjs_extra_timers as timers;
+
+#[cfg(feature = "url")]
+pub use rquickjs_extra_url as url;
diff --git a/src/modules/mod.rs b/src/modules/mod.rs
deleted file mode 100644
index 91e8cc6..0000000
--- a/src/modules/mod.rs
+++ /dev/null
@@ -1,8 +0,0 @@
-#[cfg(feature = "console")]
-pub mod console;
-#[cfg(feature = "sqlite")]
-pub mod sqlite;
-#[cfg(feature = "timers")]
-pub mod timers;
-#[cfg(feature = "url")]
-pub mod url;