diff --git a/Cargo.toml b/Cargo.toml
index 903ba10..0cbba1a 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -2,6 +2,7 @@
 members = [
     "orgize",
     "orgize-demos",
+    "orgize-sync",
 ]
 
 [profile.release]
diff --git a/orgize-sync/Cargo.toml b/orgize-sync/Cargo.toml
new file mode 100644
index 0000000..36ff904
--- /dev/null
+++ b/orgize-sync/Cargo.toml
@@ -0,0 +1,26 @@
+[package]
+name = "orgize-sync"
+version = "0.1.0"
+authors = ["PoiScript <poiscript@gmail.com>"]
+edition = "2018"
+
+[package.metadata.docs.rs]
+all-features = true
+
+[features]
+default = ["google_calendar", "toggl"]
+google_calendar = []
+toggl = []
+
+[dependencies]
+app_dirs = "1.2.1"
+chrono = { version = "0.4.9", features = ["serde"] }
+colored = "1.8.0"
+futures-preview = "=0.3.0-alpha.18"
+isahc = { version = "0.7.3", default-features = false, features = ["json", "http2", "static-curl"] }
+orgize = { path = "../orgize", default-features = false, features = ["chrono"] }
+serde = { version = "1.0.100", features = ["derive"] }
+serde_json = "1.0.40"
+structopt = "0.3.1"
+toml = "0.5.3"
+url = "2.1.0"
diff --git a/orgize-sync/src/conf.rs b/orgize-sync/src/conf.rs
new file mode 100644
index 0000000..f95e87a
--- /dev/null
+++ b/orgize-sync/src/conf.rs
@@ -0,0 +1,50 @@
+use app_dirs::{app_root, AppDataType, AppInfo};
+use serde::{Deserialize, Serialize};
+use std::path::PathBuf;
+
+use crate::error::Result;
+
+#[derive(Serialize, Deserialize)]
+pub struct Conf {
+    pub files: Vec<File>,
+    #[cfg(feature = "google_calendar")]
+    pub google_calendar: Option<GoogleCalendarGlobalConf>,
+}
+
+#[derive(Serialize, Deserialize)]
+#[cfg(feature = "google_calendar")]
+pub struct GoogleCalendarGlobalConf {
+    pub client_id: String,
+    pub client_secret: String,
+    pub token_dir: String,
+    pub token_filename: String,
+    pub property: String,
+}
+
+#[derive(Serialize, Deserialize)]
+#[cfg(feature = "google_calendar")]
+pub struct GoogleCalendarConf {
+    pub calendar: String,
+    pub append_new: bool,
+    pub append_headline: String,
+}
+
+#[derive(Serialize, Deserialize)]
+pub struct File {
+    pub path: String,
+    pub name: String,
+    #[cfg(feature = "google_calendar")]
+    pub google_calendar: Option<GoogleCalendarConf>,
+}
+
+pub fn default_conf_path() -> Result<PathBuf> {
+    let mut path = app_root(
+        AppDataType::UserConfig,
+        &AppInfo {
+            name: "orgize-sync",
+            author: "PoiScript",
+        },
+    )?;
+    path.push("conf.toml");
+    Ok(path)
+}
diff --git a/orgize-sync/src/error.rs b/orgize-sync/src/error.rs
new file mode 100644
index 0000000..b53f32c
--- /dev/null
+++ b/orgize-sync/src/error.rs
@@ -0,0 +1,46 @@
+use app_dirs::AppDirsError;
+use isahc::http::Error as HttpError;
+use isahc::Error as IsahcError;
+use std::convert::From;
+use std::io::Error as IOError;
+use url::ParseError;
+
+#[derive(Debug)]
+pub enum Error {
+    AppDirs(AppDirsError),
+    IO(IOError),
+    Http(IsahcError),
+    Url(ParseError),
+}
+
+impl From<AppDirsError> for Error {
+    fn from(err: AppDirsError) -> Self {
+        Error::AppDirs(err)
+    }
+}
+
+impl From<IOError> for Error {
+    fn from(err: IOError) -> Self {
+        Error::IO(err)
+    }
+}
+
+impl From<IsahcError> for Error {
+    fn from(err: IsahcError) -> Self {
+        Error::Http(err)
+    }
+}
+
+impl From<HttpError> for Error {
+    fn from(err: HttpError) -> Self {
+        Error::Http(err.into())
+    }
+}
+
+impl From<ParseError> for Error {
+    fn from(err: ParseError) -> Self {
+        Error::Url(err)
+    }
+}
+
+pub type Result<T> = std::result::Result<T, Error>;
diff --git a/orgize-sync/src/main.rs b/orgize-sync/src/main.rs
new file mode 100644
index 0000000..480bf3b
--- /dev/null
+++ b/orgize-sync/src/main.rs
@@ -0,0 +1,58 @@
+mod conf;
+mod error;
+
+use std::path::PathBuf;
+use structopt::StructOpt;
+
+use crate::conf::default_conf_path;
+use crate::error::Result;
+
+#[derive(StructOpt, Debug)]
+#[structopt(name = "orgize-sync")]
+struct Opt {
+    #[structopt(subcommand)]
+    subcommand: Cmd,
+}
+
+#[derive(StructOpt, Debug)]
+enum Cmd {
+    #[structopt(name = "init")]
+    Init,
+    #[structopt(name = "sync")]
+    Sync {
+        #[structopt(long = "skip-google-calendar")]
+        skip_google_calendar: bool,
+        #[structopt(long = "skip-toggl")]
+        skip_toggl: bool,
+        #[structopt(short = "c", long = "conf", parse(from_os_str))]
+        conf_path: Option<PathBuf>,
+    },
+    #[structopt(name = "conf")]
+    Conf,
+}
+
+fn main() -> Result<()> {
+    let opt = Opt::from_args();
+
+    match opt.subcommand {
+        Cmd::Sync {
+            conf_path,
+            skip_google_calendar,
+            skip_toggl,
+        } => {
+            let conf_path = conf_path
+                .map(Result::Ok)
+                .unwrap_or_else(default_conf_path)?;
+
+            println!("{:#?}", conf_path);
+
+            if cfg!(feature = "google_calendar") && !skip_google_calendar {}
+
+            if cfg!(feature = "toggl") && !skip_toggl {}
+        }
+        Cmd::Init => (),
+        Cmd::Conf => (),
+    }
+
+    Ok(())
+}