diff --git a/front/src/models/index.ts b/front/src/models/index.ts
new file mode 100644
index 00000000..6a3d05fe
--- /dev/null
+++ b/front/src/models/index.ts
@@ -0,0 +1,24 @@
+/*
+ * Kyoo - A portable and vast media library solution.
+ * Copyright (c) Kyoo.
+ *
+ * See AUTHORS.md and LICENSE file in the project root for full license information.
+ *
+ * Kyoo is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * any later version.
+ *
+ * Kyoo is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Kyoo. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+export type { Page } from "./page";
+export type { KyooErrors } from "./kyoo-errors";
+export * from "./traits";
+export * from "./resources";
diff --git a/front/src/models/kyoo-errors.ts b/front/src/models/kyoo-errors.ts
new file mode 100644
index 00000000..329fc7bb
--- /dev/null
+++ b/front/src/models/kyoo-errors.ts
@@ -0,0 +1,31 @@
+/*
+ * Kyoo - A portable and vast media library solution.
+ * Copyright (c) Kyoo.
+ *
+ * See AUTHORS.md and LICENSE file in the project root for full license information.
+ *
+ * Kyoo is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * any later version.
+ *
+ * Kyoo is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Kyoo. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+/**
+ * The list of errors that where made in the request.
+ */
+export interface KyooErrors {
+	/**
+	 * The list of errors that where made in the request.
+	 *
+	 * @example `["InvalidFilter: no field 'startYear' on a collection"]`
+	 */
+	errors: string[];
+}
diff --git a/front/src/models/page.ts b/front/src/models/page.ts
new file mode 100644
index 00000000..bd2c28db
--- /dev/null
+++ b/front/src/models/page.ts
@@ -0,0 +1,55 @@
+/*
+ * Kyoo - A portable and vast media library solution.
+ * Copyright (c) Kyoo.
+ *
+ * See AUTHORS.md and LICENSE file in the project root for full license information.
+ *
+ * Kyoo is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * any later version.
+ *
+ * Kyoo is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Kyoo. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+/**
+ * A page of resource that contains information about the pagination of resources.
+ */
+export interface Page<T> {
+	/**
+	 * The link of the current page.
+	 *
+	 * @format uri
+	 */
+	this: string;
+
+	/**
+	 * The link of the first page.
+	 *
+	 * @format uri
+	 */
+	first: string;
+
+	/**
+	 * The link of the next page.
+	 *
+	 * @format uri
+	 */
+	next?: string;
+
+	/**
+	 * The number of items in the current page.
+	 */
+	count: number;
+
+	/**
+	 * The list of items in the page.
+	 */
+	items: T[];
+}
diff --git a/front/src/models/resources/collection.ts b/front/src/models/resources/collection.ts
new file mode 100644
index 00000000..7646cf9a
--- /dev/null
+++ b/front/src/models/resources/collection.ts
@@ -0,0 +1,36 @@
+/*
+ * Kyoo - A portable and vast media library solution.
+ * Copyright (c) Kyoo.
+ *
+ * See AUTHORS.md and LICENSE file in the project root for full license information.
+ *
+ * Kyoo is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * any later version.
+ *
+ * Kyoo is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Kyoo. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+import { Images, Resource } from "../traits";
+
+/**
+ * A class representing collections of show or movies.
+ */
+export interface Collection extends Resource, Images {
+	/**
+	 * The name of this collection.
+	 */
+	name: string;
+
+	/**
+	 * The description of this collection.
+	 */
+	overview: string;
+}
diff --git a/front/src/models/resources/index.ts b/front/src/models/resources/index.ts
new file mode 100644
index 00000000..38a8af5f
--- /dev/null
+++ b/front/src/models/resources/index.ts
@@ -0,0 +1,25 @@
+/*
+ * Kyoo - A portable and vast media library solution.
+ * Copyright (c) Kyoo.
+ *
+ * See AUTHORS.md and LICENSE file in the project root for full license information.
+ *
+ * Kyoo is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * any later version.
+ *
+ * Kyoo is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Kyoo. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+export * from "./library";
+export * from "./library-item";
+export * from "./show";
+export * from "./movie";
+export * from "./collection";
diff --git a/front/src/models/resources/library-item.ts b/front/src/models/resources/library-item.ts
new file mode 100644
index 00000000..e8ead6d6
--- /dev/null
+++ b/front/src/models/resources/library-item.ts
@@ -0,0 +1,40 @@
+/*
+ * Kyoo - A portable and vast media library solution.
+ * Copyright (c) Kyoo.
+ *
+ * See AUTHORS.md and LICENSE file in the project root for full license information.
+ *
+ * Kyoo is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * any later version.
+ *
+ * Kyoo is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Kyoo. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+import { Collection } from "./collection";
+import { Movie } from "./movie";
+import { Show } from "./show";
+
+/**
+ * An item that can be contained by a Library (so a Show, a Movie or a Collection).
+ */
+export type LibraryItem =
+	| (Show & { type: ItemType.Show })
+	| (Movie & { type: ItemType.Movie })
+	| (Collection & { type: ItemType.Collection });
+
+/**
+ * The type of item, ether a show, a movie or a collection.
+ */
+export enum ItemType {
+	Show = 0,
+	Movie = 1,
+	Collection = 2,
+}
diff --git a/front/src/models/resources/library.ts b/front/src/models/resources/library.ts
new file mode 100644
index 00000000..cf1f0097
--- /dev/null
+++ b/front/src/models/resources/library.ts
@@ -0,0 +1,36 @@
+/*
+ * Kyoo - A portable and vast media library solution.
+ * Copyright (c) Kyoo.
+ *
+ * See AUTHORS.md and LICENSE file in the project root for full license information.
+ *
+ * Kyoo is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * any later version.
+ *
+ * Kyoo is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Kyoo. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+import { Resource } from "../traits/resource";
+
+/**
+ * The library that will contain Shows, Collections...
+ */
+export interface Library extends Resource {
+	/**
+	 * The name of this library.
+	 */
+	name: string;
+
+	/**
+	 * The list of paths that this library is responsible for. This is mainly used by the Scan task.
+	 */
+	paths: string[];
+}
diff --git a/front/src/models/resources/movie.ts b/front/src/models/resources/movie.ts
new file mode 100644
index 00000000..0f7f4505
--- /dev/null
+++ b/front/src/models/resources/movie.ts
@@ -0,0 +1,51 @@
+/*
+ * Kyoo - A portable and vast media library solution.
+ * Copyright (c) Kyoo.
+ *
+ * See AUTHORS.md and LICENSE file in the project root for full license information.
+ *
+ * Kyoo is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * any later version.
+ *
+ * Kyoo is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Kyoo. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+import { Resource, Images } from "../traits";
+
+/**
+ * A series or a movie.
+ */
+export interface Movie extends Resource, Images {
+	/**
+	 * The title of this show.
+	 */
+	name: string;
+
+	/**
+	 * The list of alternative titles of this movie.
+	 */
+	aliases: string[];
+
+	/**
+	 * The summary of this show.
+	 */
+	overview: string;
+
+	/**
+	 * Is this movie aired or planned
+	 */
+	isPlanned: boolean;
+
+	/**
+	 * The date this mavie aired. It can also be null if this is unknown.
+	 */
+	airDate: Date | null;
+}
diff --git a/front/src/models/resources/show.ts b/front/src/models/resources/show.ts
new file mode 100644
index 00000000..ff0e90a4
--- /dev/null
+++ b/front/src/models/resources/show.ts
@@ -0,0 +1,66 @@
+/*
+ * Kyoo - A portable and vast media library solution.
+ * Copyright (c) Kyoo.
+ *
+ * See AUTHORS.md and LICENSE file in the project root for full license information.
+ *
+ * Kyoo is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * any later version.
+ *
+ * Kyoo is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Kyoo. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+import { Resource, Images } from "../traits";
+
+/**
+ * A series or a movie.
+ */
+export interface Show extends Resource, Images {
+	/**
+	 * The title of this show.
+	 */
+	name: string;
+
+	/**
+	 * The list of alternative titles of this show.
+	 */
+	aliases: string[];
+
+	/**
+	 * The summary of this show.
+	 */
+	overview: string;
+
+	/**
+	 * Is this show airing, not aired yet or finished?
+	 */
+	status: Status;
+
+	/**
+	 * The date this show started airing. It can be null if this is unknown.
+	 */
+	startAir: Date | null;
+
+	/**
+	 * The date this show finished airing. It can also be null if this is unknown.
+	 */
+	endAir: Date | null;
+}
+
+/**
+ * The enum containing show's status.
+ */
+export enum Status {
+	Unknown = 0,
+	Finished = 1,
+	Airing = 2,
+	Planned = 3,
+}
diff --git a/front/src/models/traits/images.ts b/front/src/models/traits/images.ts
new file mode 100644
index 00000000..8fba648a
--- /dev/null
+++ b/front/src/models/traits/images.ts
@@ -0,0 +1,55 @@
+/*
+ * Kyoo - A portable and vast media library solution.
+ * Copyright (c) Kyoo.
+ *
+ * See AUTHORS.md and LICENSE file in the project root for full license information.
+ *
+ * Kyoo is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * any later version.
+ *
+ * Kyoo is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Kyoo. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+/**
+ * Base traits for items that has image resources.
+ */
+export interface Images {
+	/**
+	 * An url to the poster of this resource. If this resource does not have an image, the link will
+	 * be null. If the kyoo's instance is not capable of handling this kind of image for the specific
+	 * resource, this field won't be present.
+	 */
+	poster?: string;
+
+	/**
+	 * An url to the thumbnail of this resource. If this resource does not have an image, the link
+	 * will be null. If the kyoo's instance is not capable of handling this kind of image for the
+	 * specific resource, this field won't be present.
+	 */
+	thumbnail?: string;
+
+	/**
+	 * An url to the logo of this resource. If this resource does not have an image, the link will be
+	 * null. If the kyoo's instance is not capable of handling this kind of image for the specific
+	 * resource, this field won't be present.
+	 */
+	logo?: string;
+
+	/**
+	 * An url to the thumbnail of this resource. If this resource does not have an image, the link
+	 * will be null. If the kyoo's instance is not capable of handling this kind of image for the
+	 * specific resource, this field won't be present.
+	 */
+
+	trailer?: string;
+};
+
+export const imageList = ["poster", "thumbnail", "logo", "trailer"];
diff --git a/front/src/models/traits/index.ts b/front/src/models/traits/index.ts
new file mode 100644
index 00000000..dfa86ed8
--- /dev/null
+++ b/front/src/models/traits/index.ts
@@ -0,0 +1,22 @@
+/*
+ * Kyoo - A portable and vast media library solution.
+ * Copyright (c) Kyoo.
+ *
+ * See AUTHORS.md and LICENSE file in the project root for full license information.
+ *
+ * Kyoo is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * any later version.
+ *
+ * Kyoo is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Kyoo. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+export * from "./resource";
+export * from "./images";
diff --git a/front/src/models/traits/resource.ts b/front/src/models/traits/resource.ts
new file mode 100644
index 00000000..78372b0b
--- /dev/null
+++ b/front/src/models/traits/resource.ts
@@ -0,0 +1,35 @@
+/*
+ * Kyoo - A portable and vast media library solution.
+ * Copyright (c) Kyoo.
+ *
+ * See AUTHORS.md and LICENSE file in the project root for full license information.
+ *
+ * Kyoo is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * any later version.
+ *
+ * Kyoo is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Kyoo. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+/**
+ * The base trait used to represent identifiable resources.
+ */
+export interface Resource {
+	/**
+	 * A unique ID for this type of resource. This can't be changed and duplicates are not allowed.
+	 */
+	id: number;
+
+	/**
+	 * A human-readable identifier that can be used instead of an ID. A slug must be unique for a type
+	 * of resource but it can be changed.
+	 */
+	slug: string;
+}