diff --git a/enquete-gui/Enquete.sqlite b/enquete-gui/Enquete.sqlite
new file mode 100644
index 0000000..e69de29
diff --git a/enquete-gui/Makefile b/enquete-gui/Makefile
new file mode 100644
index 0000000..fdf897e
--- /dev/null
+++ b/enquete-gui/Makefile
@@ -0,0 +1,28 @@
+CC = gcc
+
+PKG_CONFIG = pkg-config
+
+CFLAGS = -Wall -Wextra -Wpedantic -std=c23 -g \
+	-Iinclude \
+	$(shell $(PKG_CONFIG) --cflags gtk4 sqlite3)
+
+LDFLAGS = $(shell $(PKG_CONFIG) --libs gtk4 sqlite3)
+
+SRC := $(wildcard src/*.c)
+OBJ := $(SRC:.c=.o)
+
+TARGET = enquete-gui
+
+$(TARGET): $(OBJ)
+	$(CC) $(OBJ) -o $@ $(LDFLAGS)
+
+%.o: %.c
+	$(CC) $(CFLAGS) -c $< -o $@
+
+clean:
+	rm -f $(OBJ) $(TARGET)
+
+run: $(TARGET)
+	./$(TARGET)
+
+.PHONY: clean run
diff --git a/enquete-gui/compile_flags.txt b/enquete-gui/compile_flags.txt
new file mode 100644
index 0000000..0d77def
--- /dev/null
+++ b/enquete-gui/compile_flags.txt
@@ -0,0 +1,22 @@
+-I/usr/include/gtk-4.0
+-I/usr/include/pango-1.0
+-I/usr/include/fribidi
+-I/usr/include/harfbuzz
+-I/usr/include/gdk-pixbuf-2.0
+-I/usr/include/glycin-2
+-I/usr/include/cairo
+-I/usr/include/freetype2
+-I/usr/include/libpng16
+-I/usr/include/pixman-1
+-I/usr/include/graphene-1.0
+-I/usr/lib/graphene-1.0/include
+-mfpmath=sse
+-msse
+-msse2
+-I/usr/include/glib-2.0
+-I/usr/lib/glib-2.0/include
+-I/usr/include/libmount
+-I/usr/include/blkid
+-I/usr/include/sysprof-6
+-pthread
+-Iinclude
diff --git a/enquete-gui/enquete-gui b/enquete-gui/enquete-gui
new file mode 100755
index 0000000..97c16bc
Binary files /dev/null and b/enquete-gui/enquete-gui differ
diff --git a/enquete-gui/include/app.h b/enquete-gui/include/app.h
new file mode 100644
index 0000000..fc4cf17
--- /dev/null
+++ b/enquete-gui/include/app.h
@@ -0,0 +1,8 @@
+#ifndef APP_H
+#define APP_H
+
+#include <gtk/gtk.h>
+
+GtkWidget *app_create_main_window(GtkApplication *app);
+
+#endif
diff --git a/enquete-gui/include/database.h b/enquete-gui/include/database.h
new file mode 100644
index 0000000..4a53fc4
--- /dev/null
+++ b/enquete-gui/include/database.h
@@ -0,0 +1,9 @@
+#ifndef DATABASE_H
+#define DATABASE_H
+
+#include <sqlite3.h>
+
+int db_open(sqlite3 **db, const char *path);
+void db_close(sqlite3 *db);
+
+#endif
diff --git a/enquete-gui/src/app.c b/enquete-gui/src/app.c
new file mode 100644
index 0000000..697c310
--- /dev/null
+++ b/enquete-gui/src/app.c
@@ -0,0 +1,42 @@
+#include "app.h"
+
+GtkWidget *app_create_main_window(GtkApplication *app)
+{
+    GtkWidget *window;
+    GtkWidget *box;
+    GtkWidget *sidebar;
+    GtkWidget *content;
+    GtkWidget *label;
+
+    window = gtk_application_window_new(app);
+    gtk_window_set_title(GTK_WINDOW(window), "Enquête OSINT");
+    gtk_window_set_default_size(GTK_WINDOW(window), 1000, 650);
+
+    box = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 0);
+    gtk_window_set_child(GTK_WINDOW(window), box);
+
+    sidebar = gtk_list_box_new();
+    gtk_widget_set_size_request(sidebar, 220, -1);
+
+    gtk_list_box_append(GTK_LIST_BOX(sidebar), gtk_label_new("Preuves"));
+    gtk_list_box_append(GTK_LIST_BOX(sidebar), gtk_label_new("Entités"));
+    gtk_list_box_append(GTK_LIST_BOX(sidebar), gtk_label_new("Chronologie"));
+    gtk_list_box_append(GTK_LIST_BOX(sidebar), gtk_label_new("Recherches"));
+    gtk_list_box_append(GTK_LIST_BOX(sidebar), gtk_label_new("Hypothèses"));
+    gtk_list_box_append(GTK_LIST_BOX(sidebar), gtk_label_new("Sources"));
+    gtk_list_box_append(GTK_LIST_BOX(sidebar), gtk_label_new("Rapport"));
+
+    content = gtk_box_new(GTK_ORIENTATION_VERTICAL, 10);
+    gtk_widget_set_margin_top(content, 20);
+    gtk_widget_set_margin_bottom(content, 20);
+    gtk_widget_set_margin_start(content, 20);
+    gtk_widget_set_margin_end(content, 20);
+
+    label = gtk_label_new("Tableau de bord de l'enquête");
+    gtk_box_append(GTK_BOX(content), label);
+
+    gtk_box_append(GTK_BOX(box), sidebar);
+    gtk_box_append(GTK_BOX(box), content);
+
+    return window;
+}
diff --git a/enquete-gui/src/app.o b/enquete-gui/src/app.o
new file mode 100644
index 0000000..92b526d
Binary files /dev/null and b/enquete-gui/src/app.o differ
diff --git a/enquete-gui/src/database.c b/enquete-gui/src/database.c
new file mode 100644
index 0000000..5dee98f
--- /dev/null
+++ b/enquete-gui/src/database.c
@@ -0,0 +1,21 @@
+#include "database.h"
+#include <stdio.h>
+
+int db_open(sqlite3 **db, const char *path)
+{
+    int rc = sqlite3_open(path, db);
+
+    if (rc != SQLITE_OK) {
+        fprintf(stderr, "Erreur SQLite: %s\n", sqlite3_errmsg(*db));
+        return 1;
+    }
+
+    return 0;
+}
+
+void db_close(sqlite3 *db)
+{
+    if (db != NULL) {
+        sqlite3_close(db);
+    }
+}
diff --git a/enquete-gui/src/database.o b/enquete-gui/src/database.o
new file mode 100644
index 0000000..ffbe662
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diff --git a/enquete-gui/src/main.c b/enquete-gui/src/main.c
new file mode 100644
index 0000000..62ffa84
--- /dev/null
+++ b/enquete-gui/src/main.c
@@ -0,0 +1,36 @@
+#include <gtk/gtk.h>
+#include <sqlite3.h>
+
+#include "app.h"
+#include "database.h"
+
+static void activate(GtkApplication *app, gpointer user_data)
+{
+    (void)user_data;
+
+    GtkWidget *window = app_create_main_window(app);
+    gtk_window_present(GTK_WINDOW(window));
+}
+
+int main(int argc, char **argv)
+{
+    sqlite3 *db = NULL;
+
+    if (db_open(&db, "Enquete.sqlite") != 0) {
+        return 1;
+    }
+
+    GtkApplication *app = gtk_application_new(
+        "com.labfytools.enquete",
+        G_APPLICATION_DEFAULT_FLAGS
+    );
+
+    g_signal_connect(app, "activate", G_CALLBACK(activate), NULL);
+
+    int status = g_application_run(G_APPLICATION(app), argc, argv);
+
+    g_object_unref(app);
+    db_close(db);
+
+    return status;
+}
diff --git a/enquete-gui/src/main.o b/enquete-gui/src/main.o
new file mode 100644
index 0000000..4c7c5b3
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