diff --git a/.gitmodules b/.gitmodules
index 97b2b40..662a95b 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -4,3 +4,6 @@
 [submodule "ext/glfw"]
 	path = ext/glfw
 	url = https://github.com/glfw/glfw
+[submodule "ext/nuklear"]
+	path = ext/nuklear
+	url = https://github.com/Immediate-Mode-UI/Nuklear
diff --git a/Makefile b/Makefile
index 4f2f2d6..3e4dcce 100644
--- a/Makefile
+++ b/Makefile
@@ -14,7 +14,7 @@ OBJ = \
 CFLAGS = \
 	-I./ext/cglm/include  \
 	-I./ext/glfw/include  \
-	-Wall -Wno-unused-function -std=c99 -D_GNU_SOURCE \
+	-Wall -Wno-unused-function -std=c99 -D_POSIX_C_SOURCE \
 
 WAYLAND-LIB = \
 	xdg-shell \
@@ -31,8 +31,7 @@ help:
 	@echo "Para compilar el proyecto a tu sistema operativo"
 	@echo "porfavor usa uno de los siguientes comandos:"
 	@echo "	$(MAKE) windows"
-	@echo "	$(MAKE) linux-x11"
-	@echo "	$(MAKE) linux-wayland"
+	@echo "	$(MAKE) linux"
 	@echo "	$(MAKE) cocoa"
 	@echo "Para limpiar los archivos compilados se puede usar"
 	@echo "	$(MAKE) clean"
@@ -49,17 +48,13 @@ glfw.dll:
 	$(CC) -fPIC -shared -D_GLFW_WIN32 -D_GLFW_BUILD_DLL ./ext/glfw/src/*.c -o $@ -lgdi32 
 
 # LINUX
-linux-x11: $(OBJ)
-	$(MAKE) BKN=_GLFW_X11 libglfw.so
-	$(CC) -o $(BIN) $(OBJ) -L. -lGLEW -lGL -lglfw -lm
-
-linux-wayland: $(OBJ)
+linux: $(OBJ)
 	for i in $(WAYLAND-LIB); \
 	do  \
 		wayland-scanner client-header ext/glfw/deps/wayland/$$i.xml ext/glfw/deps/wayland/$$i-client-protocol.h; \
 		wayland-scanner private-code ext/glfw/deps/wayland/$$i.xml ext/glfw/deps/wayland/$$i-client-protocol-code.h; \
 	done
-	$(MAKE) BKN=_GLFW_WAYLAND libglfw.so
+	$(MAKE) DFLAGS="-D_GLFW_WAYLAND -D_GLFW_X11" libglfw.so
 	$(CC) -o $(BIN) $(OBJ) -L. -lGLEW -lGL -lglfw -lm
 
 run-linux:
@@ -67,11 +62,11 @@ run-linux:
 
 # COCOA
 cocoa: $(OBJ)
-	$(MAKE) BKN=_GLFW_COCOA libglfw.so
+	$(MAKE) DFLAGS="-D_GLFW_COCOA" libglfw.so
 	$(CC) -framework OpenGL -o $(BIN) $(OBJ) -L. -lGLEW -lGL -lglfw 
 
 libglfw.so: 
-	$(CC) -fPIC -shared -D$(BKN) -D_GLFW_BUILD_DLL -Iext/glfw/deps/wayland ./ext/glfw/src/*.c -o $@ 
+	$(CC) -fPIC -shared $(DFLAGS)-D_GLFW_BUILD_DLL -Iext/glfw/deps/wayland ./ext/glfw/src/*.c -o $@ 
 
 clean:
 	rm $(OBJ) $(BIN) ext/glfw/deps/wayland/*.h
diff --git a/README.md b/README.md
index 3d19d24..a69920c 100644
--- a/README.md
+++ b/README.md
@@ -18,9 +18,8 @@ Para poder compilar el proyecto hace falta lo siguiente.
 - `glfw`: A multi-platform library for OpenGL, OpenGL ES, Vulkan, window and input.
 - `cglm`: Highly Optimized 2D / 3D Graphics Math (glm) for C.
 ### Linux
-Para compilar `glfw` en linux hacen falta las siguientes librerías según el caso. (no incluidas)
-- `x11`: libXcursor-devel libXi-devel libXinerama-devel libXrandr-devel
-- `wayland`: libwayland-dev libxkbcommon-dev wayland-protocols
+Para compilar `glfw` en linux hacen falta las siguientes librerías. (no incluidas)
+- libXcursor-devel libXi-devel libXinerama-devel libXrandr-devel libwayland-dev libxkbcommon-dev wayland-protocols
 
 # Descargas
 - [git](https://git-scm.com/downloads/win)
@@ -43,8 +42,7 @@ Los siguientes comandos sirven para compilar `manigraph` deacuerdo al sistema op
 
 ```
 make windows
-make linux-x11
-make linux-wayland
+make linux
 make cocoa
 ```
 
@@ -62,8 +60,7 @@ cc -fPIC -shared -D_GLFW_WIN32 -D_GLFW_BUILD_DLL ./ext/glfw/src/*.c -o glfw.dll
 
 #### Linux
 ```
-cc -fPIC -shared -D_GLFW_X11 -D_GLFW_BUILD_DLL ./ext/glfw/src/*.c -o libglfw.so
-cc -fPIC -shared -D_GLFW_WAYLAND -D_GLFW_BUILD_DLL ./ext/glfw/src/*.c -o libglfw.so
+cc -fPIC -shared -D_GLFW_X11 -D_GLFW_WAYLAND -D_GLFW_BUILD_DLL ./ext/glfw/src/*.c -o libglfw.so
 ```
 
 #### Mac
diff --git a/ext/nuklear b/ext/nuklear
new file mode 160000
index 0000000..6566d90
--- /dev/null
+++ b/ext/nuklear
@@ -0,0 +1 @@
+Subproject commit 6566d9075d5fed48af014c93f87c4aed8c4bd21c
diff --git a/src/mesh.c b/src/mesh.c
index 0150b5f..83c38bf 100644
--- a/src/mesh.c
+++ b/src/mesh.c
@@ -25,7 +25,7 @@ void set_projection_mesh(struct projection projection)
 	glVertexAttribPointer(3, 1, GL_FLOAT, 0, projection.m * sizeof(float),
 		(float *)(projection.w * sizeof(float)));
 
-	glBindBuffer(GL_ARRAY_BUFFER, p->n_vbo);
+	glBindBuffer(GL_UNIFORM_BUFFER, p->n_vbo);
 	glVertexAttribPointer(4, 1, GL_FLOAT, 0, projection.m * sizeof(float),
 		(float *)(projection.x * sizeof(float)));
 	glVertexAttribPointer(5, 1, GL_FLOAT, 0, projection.m * sizeof(float),
@@ -63,8 +63,8 @@ mesh_t create_mesh(float *d, float *n, unsigned char m)
 	if (n)
 	{
 		glGenBuffers(1, &p->n_vbo);
-		glBindBuffer(GL_ARRAY_BUFFER, p->n_vbo);
-		glBufferData(GL_ARRAY_BUFFER, p->vertex * m * sizeof(float), n + 1,
+		glBindBuffer(GL_UNIFORM_BUFFER, p->n_vbo);
+		glBufferData(GL_UNIFORM_BUFFER, p->vertex * m * sizeof(float), n + 1,
 			GL_STATIC_DRAW);
 	}
 
diff --git a/src/texture.c b/src/texture.c
index e4e11dc..fb1bfd8 100644
--- a/src/texture.c
+++ b/src/texture.c
@@ -25,7 +25,7 @@ void destroy_texture(unsigned int texture)
 	return glDeleteTextures(1, &texture);
 }
 
-id_t create_palette_texture(const unsigned char *colors, unsigned char n)
+id_t create_palette_texture(const unsigned char colors[][4], unsigned char n)
 {
 	id_t texture = __config_texture(TYPE);
 	glTexImage3D(