diff --git a/pom.xml b/pom.xml
index 8c17d96..ce31e12 100644
--- a/pom.xml
+++ b/pom.xml
@@ -107,7 +107,7 @@
 		<dependency>
 			<groupId>com.github.froxynetwork</groupId>
 			<artifactId>froxyapi</artifactId>
-			<version>0.0.3</version>
+			<version>0.0.4</version>
 		</dependency>
 
 		<!--Spigot API -->
diff --git a/src/main/java/com/froxynetwork/froxycore/FroxyCore.java b/src/main/java/com/froxynetwork/froxycore/FroxyCore.java
index 4213149..b5cec78 100644
--- a/src/main/java/com/froxynetwork/froxycore/FroxyCore.java
+++ b/src/main/java/com/froxynetwork/froxycore/FroxyCore.java
@@ -8,9 +8,9 @@
 import org.slf4j.LoggerFactory;
 
 import com.froxynetwork.froxyapi.Froxy;
-import com.froxynetwork.froxyapi.language.LanguageManager;
 import com.froxynetwork.froxycore.api.APIImpl;
 import com.froxynetwork.froxycore.api.command.CommandManagerImpl;
+import com.froxynetwork.froxycore.api.inventory.InventoryManagerImpl;
 import com.froxynetwork.froxycore.api.language.LanguageManagerImpl;
 
 /**
@@ -50,11 +50,14 @@ public void onEnable() {
 		// NetworkManager nm = new NetworkManager("http://localhost/", clientId,
 		// clientSecret);
 
-		LanguageManager languageManager = new LanguageManagerImpl();
+		LanguageManagerImpl languageManager = new LanguageManagerImpl();
 		CommandManagerImpl commandManager = new CommandManagerImpl();
+		InventoryManagerImpl inventoryManager = new InventoryManagerImpl();
 		Bukkit.getPluginManager().registerEvents(commandManager, this);
-		APIImpl impl = new APIImpl(null, null, Constants.VERSION, log, languageManager, commandManager);
+		APIImpl impl = new APIImpl(this, null, Constants.VERSION, log, languageManager, commandManager,
+				inventoryManager);
 		Froxy.setAPI(impl);
+		inventoryManager.init();
 		// TODO EDIT HERE
 		File lang = new File("plugins" + File.separator + getDescription().getName() + File.separator + "lang");
 		Froxy.register(lang);
diff --git a/src/main/java/com/froxynetwork/froxycore/api/APIImpl.java b/src/main/java/com/froxynetwork/froxycore/api/APIImpl.java
index 68f3396..1720292 100644
--- a/src/main/java/com/froxynetwork/froxycore/api/APIImpl.java
+++ b/src/main/java/com/froxynetwork/froxycore/api/APIImpl.java
@@ -5,6 +5,7 @@
 
 import com.froxynetwork.froxyapi.API;
 import com.froxynetwork.froxyapi.command.CommandManager;
+import com.froxynetwork.froxyapi.inventory.InventoryManager;
 import com.froxynetwork.froxyapi.language.LanguageManager;
 
 /**
@@ -47,14 +48,17 @@ public class APIImpl implements API {
 
 	private CommandManager commandManager;
 
+	private InventoryManager inventoryManager;
+
 	public APIImpl(JavaPlugin corePlugin, JavaPlugin gamePlugin, String version, Logger logger,
-			LanguageManager languageManager, CommandManager commandManager) {
+			LanguageManager languageManager, CommandManager commandManager, InventoryManager inventoryManager) {
 		this.corePlugin = corePlugin;
 		this.gamePlugin = gamePlugin;
 		this.version = version;
 		this.logger = logger;
 		this.languageManager = languageManager;
 		this.commandManager = commandManager;
+		this.inventoryManager = inventoryManager;
 	}
 
 	@Override
@@ -86,4 +90,9 @@ public LanguageManager getLanguageManager() {
 	public CommandManager getCommandManager() {
 		return commandManager;
 	}
+
+	@Override
+	public InventoryManager getInventoryManager() {
+		return inventoryManager;
+	}
 }
diff --git a/src/main/java/com/froxynetwork/froxycore/api/inventory/InventoryImpl.java b/src/main/java/com/froxynetwork/froxycore/api/inventory/InventoryImpl.java
new file mode 100644
index 0000000..7e7b926
--- /dev/null
+++ b/src/main/java/com/froxynetwork/froxycore/api/inventory/InventoryImpl.java
@@ -0,0 +1,115 @@
+package com.froxynetwork.froxycore.api.inventory;
+
+import java.util.HashMap;
+
+import org.bukkit.Bukkit;
+import org.bukkit.entity.Player;
+import org.bukkit.event.inventory.InventoryClickEvent;
+
+import com.froxynetwork.froxyapi.inventory.ClickableItem;
+import com.froxynetwork.froxyapi.inventory.Inventory;
+import com.froxynetwork.froxyapi.inventory.InventoryProvider;
+
+/**
+ * MIT License
+ *
+ * Copyright (c) 2019 FroxyNetwork
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ * 
+ * @author 0ddlyoko
+ */
+public class InventoryImpl implements Inventory {
+
+	private HashMap<String, Object> values;
+	private Player player;
+	private InventoryProvider inventoryProvider;
+	private int size;
+	private ClickableItem[] items;
+	private org.bukkit.inventory.Inventory bukkitInventory;
+
+	public InventoryImpl(Player player, InventoryProvider inventoryProvider) {
+		this.values = new HashMap<>();
+		this.player = player;
+		this.inventoryProvider = inventoryProvider;
+		this.size = inventoryProvider.rows(this);
+		this.items = new ClickableItem[9 * size];
+		this.bukkitInventory = Bukkit.createInventory(player, size * 9, inventoryProvider.title(this));
+		save(TICK, 0);
+	}
+
+	@Override
+	public Player getPlayer() {
+		return player;
+	}
+
+	@Override
+	public InventoryProvider getInventoryProvider() {
+		return inventoryProvider;
+	}
+
+	public org.bukkit.inventory.Inventory getBukkitInventory() {
+		return bukkitInventory;
+	}
+
+	@Override
+	public void set(int pos, ClickableItem item) {
+		if (pos < 0 || pos > size * 9)
+			throw new IllegalArgumentException("pos must be between 0 and " + (size * 9));
+		items[pos] = item;
+		bukkitInventory.setItem(pos, item.getItem());
+	}
+
+	@Override
+	public void fill(ClickableItem item) {
+		for (int row = 0; row < size; row++)
+			for (int col = 0; col < 9; col++)
+				set(row * 9 + col, item);
+	}
+
+	@Override
+	public void rectangle(int pos, int width, int height, ClickableItem item) {
+		// TODO
+	}
+
+	public void open() {
+		player.openInventory(bukkitInventory);
+	}
+
+	public void handler(InventoryClickEvent e) {
+		int pos = e.getSlot();
+		if (pos < 0 || pos > items.length)
+			return;
+		ClickableItem item = items[pos];
+		// Nothing to do
+		if (item == null)
+			return;
+		item.run(e);
+	}
+
+	@Override
+	public void save(String key, Object value) {
+		values.put(key, value);
+	}
+
+	@Override
+	public Object get(String key) {
+		return values.get(key);
+	}
+}
diff --git a/src/main/java/com/froxynetwork/froxycore/api/inventory/InventoryManagerImpl.java b/src/main/java/com/froxynetwork/froxycore/api/inventory/InventoryManagerImpl.java
new file mode 100644
index 0000000..49b45f7
--- /dev/null
+++ b/src/main/java/com/froxynetwork/froxycore/api/inventory/InventoryManagerImpl.java
@@ -0,0 +1,120 @@
+package com.froxynetwork.froxycore.api.inventory;
+
+import java.util.HashMap;
+import java.util.UUID;
+
+import org.bukkit.Bukkit;
+import org.bukkit.entity.Player;
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.Listener;
+import org.bukkit.event.inventory.InventoryClickEvent;
+import org.bukkit.event.inventory.InventoryCloseEvent;
+import org.bukkit.event.inventory.InventoryDragEvent;
+
+import com.froxynetwork.froxyapi.Froxy;
+import com.froxynetwork.froxyapi.inventory.Inventory;
+import com.froxynetwork.froxyapi.inventory.InventoryManager;
+import com.froxynetwork.froxyapi.inventory.InventoryProvider;
+
+/**
+ * MIT License
+ *
+ * Copyright (c) 2019 FroxyNetwork
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ * 
+ * @author 0ddlyoko
+ */
+public class InventoryManagerImpl implements InventoryManager, Listener {
+	private HashMap<UUID, InventoryImpl> inventories;
+
+	public InventoryManagerImpl() {
+		this.inventories = new HashMap<>();
+	}
+
+	public void init() {
+		Bukkit.getPluginManager().registerEvents(this, Froxy.getCorePlugin());
+		Bukkit.getScheduler().scheduleSyncRepeatingTask(Froxy.getCorePlugin(), () -> {
+			if (inventories.size() == 0)
+				return;
+			for (Inventory inv : inventories.values()) {
+				int tick = 0;
+				Object currentTick = inv.get(Inventory.TICK);
+				if (currentTick != null && currentTick instanceof Integer)
+					tick = Integer.parseInt(currentTick.toString());
+				inv.save(Inventory.TICK, tick + 1);
+				inv.getInventoryProvider().update(inv);
+			}
+		}, 1, 1);
+	}
+
+	@Override
+	public Inventory openInventory(InventoryProvider provider, Player p) {
+		InventoryImpl inv = new InventoryImpl(p, provider);
+		inv.getInventoryProvider().init(inv);
+		inventories.put(p.getUniqueId(), inv);
+		inv.open();
+		return inv;
+	}
+
+	@Override
+	public InventoryImpl getInventory(Player p) {
+		return inventories.get(p.getUniqueId());
+	}
+
+	@Override
+	public boolean hasInventoryOpened(Player p) {
+		return inventories.containsKey(p.getUniqueId());
+	}
+
+	@EventHandler
+	public void onPlayerInventoryClick(InventoryClickEvent e) {
+		if (!inventories.containsKey(e.getWhoClicked().getUniqueId()))
+			return;
+		Player p = (Player) e.getWhoClicked();
+		InventoryImpl inv = getInventory(p);
+		if (inv == null) {
+			// Impossible
+			return;
+		}
+		org.bukkit.inventory.Inventory clickedInventory = e.getClickedInventory();
+		if (clickedInventory == null)
+			return;
+		e.setCancelled(true);
+		if (!inv.getBukkitInventory().equals(clickedInventory)) {
+			// The player doesn't click on the correct inventory
+			return;
+		}
+		inv.handler(e);
+	}
+
+	@EventHandler
+	public void onPlayerInventoryDrag(InventoryDragEvent e) {
+		if (!inventories.containsKey(e.getWhoClicked().getUniqueId()))
+			return;
+		e.setCancelled(true);
+	}
+
+	@EventHandler
+	public void onPlayerInventoryClose(InventoryCloseEvent e) {
+		if (!inventories.containsKey(e.getPlayer().getUniqueId()))
+			return;
+		inventories.remove(e.getPlayer().getUniqueId());
+	}
+}