diff --git a/Cargo.toml b/Cargo.toml
new file mode 100644
index 0000000..c1dbe09
--- /dev/null
+++ b/Cargo.toml
@@ -0,0 +1,8 @@
+[workspace]
+members = ["outlay-core", "outlay-gtk"]
+resolver = "2"
+
+[workspace.package]
+version = "0.1.0"
+edition = "2024"
+license = "GPL-3.0-or-later"
diff --git a/outlay-core/Cargo.toml b/outlay-core/Cargo.toml
new file mode 100644
index 0000000..c935977
--- /dev/null
+++ b/outlay-core/Cargo.toml
@@ -0,0 +1,16 @@
+[package]
+name = "outlay-core"
+version.workspace = true
+edition.workspace = true
+
+[dependencies]
+rusqlite = { version = "0.38", features = ["bundled"] }
+serde = { version = "1", features = ["derive"] }
+serde_json = "1"
+chrono = { version = "0.4", features = ["serde"] }
+csv = "1"
+genpdf = "0.2"
+reqwest = { version = "0.13", features = ["json"] }
+tokio = { version = "1", features = ["rt", "macros"] }
+zip = "2"
+thiserror = "2"
diff --git a/outlay-core/src/backup.rs b/outlay-core/src/backup.rs
new file mode 100644
index 0000000..e69de29
diff --git a/outlay-core/src/db.rs b/outlay-core/src/db.rs
new file mode 100644
index 0000000..e69de29
diff --git a/outlay-core/src/exchange.rs b/outlay-core/src/exchange.rs
new file mode 100644
index 0000000..e69de29
diff --git a/outlay-core/src/export_csv.rs b/outlay-core/src/export_csv.rs
new file mode 100644
index 0000000..e69de29
diff --git a/outlay-core/src/export_json.rs b/outlay-core/src/export_json.rs
new file mode 100644
index 0000000..e69de29
diff --git a/outlay-core/src/export_pdf.rs b/outlay-core/src/export_pdf.rs
new file mode 100644
index 0000000..e69de29
diff --git a/outlay-core/src/lib.rs b/outlay-core/src/lib.rs
new file mode 100644
index 0000000..995fe45
--- /dev/null
+++ b/outlay-core/src/lib.rs
@@ -0,0 +1,8 @@
+pub mod models;
+pub mod db;
+pub mod exchange;
+pub mod export_csv;
+pub mod export_json;
+pub mod export_pdf;
+pub mod backup;
+pub mod recurring;
diff --git a/outlay-core/src/models.rs b/outlay-core/src/models.rs
new file mode 100644
index 0000000..e69de29
diff --git a/outlay-core/src/recurring.rs b/outlay-core/src/recurring.rs
new file mode 100644
index 0000000..e69de29
diff --git a/outlay-gtk/Cargo.toml b/outlay-gtk/Cargo.toml
new file mode 100644
index 0000000..233af0e
--- /dev/null
+++ b/outlay-gtk/Cargo.toml
@@ -0,0 +1,11 @@
+[package]
+name = "outlay-gtk"
+version.workspace = true
+edition.workspace = true
+
+[dependencies]
+outlay-core = { path = "../outlay-core" }
+gtk = { package = "gtk4", version = "0.11" }
+adw = { package = "libadwaita", version = "0.9", features = ["v1_8"] }
+plotters = { version = "0.3", default-features = false, features = ["bitmap_backend", "bitmap_encoder", "line_series", "area_series"] }
+tokio = { version = "1", features = ["rt-multi-thread", "macros"] }
diff --git a/outlay-gtk/src/main.rs b/outlay-gtk/src/main.rs
new file mode 100644
index 0000000..5eda94d
--- /dev/null
+++ b/outlay-gtk/src/main.rs
@@ -0,0 +1,3 @@
+fn main() {
+    println!("Outlay starting...");
+}