diff --git a/Sources/TuistKit/Device/Device.swift b/Sources/TuistKit/Device/Device.swift
new file mode 100644
index 000000000..3791bb161
--- /dev/null
+++ b/Sources/TuistKit/Device/Device.swift
@@ -0,0 +1,31 @@
+import Foundation
+
+struct Device: Hashable, Equatable {
+
+    // MARK: - Attributes
+
+    let state: String
+    let availability: String
+    let name: String
+    let udid: String
+
+    var hashValue: Int {
+        return udid.hashValue
+    }
+
+    var available: Bool {
+        return !availability.contains("unavailable")
+    }
+
+    // MARK: - Init
+
+    init(state: String,
+         availability: String,
+         name: String,
+         udid: String) {
+        self.state = state
+        self.availability = availability
+        self.name = name
+        self.udid = udid
+    }
+}
diff --git a/Sources/TuistKit/Device/DeviceType.swift b/Sources/TuistKit/Device/DeviceType.swift
new file mode 100644
index 000000000..9fd5e1b35
--- /dev/null
+++ b/Sources/TuistKit/Device/DeviceType.swift
@@ -0,0 +1,21 @@
+import Foundation
+
+struct DeviceType: Hashable {
+
+    // MARK: - Attributes
+
+    let name: String
+    let identifier: String
+
+    var hashValue: Int {
+        return identifier.hashValue
+    }
+
+    // MARK: - Init
+
+    init(name: String,
+         identifier: String) {
+        self.name = name
+        self.identifier = identifier
+    }
+}
diff --git a/Sources/TuistKit/Device/Runtime.swift b/Sources/TuistKit/Device/Runtime.swift
new file mode 100644
index 000000000..1a22a1510
--- /dev/null
+++ b/Sources/TuistKit/Device/Runtime.swift
@@ -0,0 +1,30 @@
+import Foundation
+
+struct Runtime: Equatable, Hashable {
+
+    // MARK: - Attributes
+
+    let buildVersion: String
+    let availability: String
+    let name: String
+    let version: String
+    let identifier: String
+
+    var hashValue: Int {
+        return identifier.hashValue
+    }
+
+    // MARK: - Init
+
+    init(buildVersion: String,
+         availability: String,
+         name: String,
+         identifier: String,
+         version: String) {
+        self.buildVersion = buildVersion
+        self.availability = availability
+        self.name = name
+        self.identifier = identifier
+        self.version = version
+    }
+}