diff -up -N dwm/config.def.h fibonacci/config.def.h
--- dwm/config.def.h	2008-10-04 15:57:46.000000000 -0400
+++ fibonacci/config.def.h	2008-10-04 15:54:06.000000000 -0400
@@ -28,11 +28,14 @@ static Rule rules[] = {
 static float mfact      = 0.55; /* factor of master area size [0.05..0.95] */
 static Bool resizehints = True; /* False means respect size hints in tiled resizals */
 
+#include "fibonacci.c"
 static Layout layouts[] = {
 	/* symbol     arrange function */
 	{ "[]=",      tile },    /* first entry is default */
 	{ "><>",      NULL },    /* no layout function means floating behavior */
 	{ "[M]",      monocle },
+	{ "[@]",      spiral },
+	{ "[\\]",      dwindle },
 };
 
 /* key definitions */
diff -up -N dwm/fibonacci.c fibonacci/fibonacci.c
--- dwm/fibonacci.c	1969-12-31 19:00:00.000000000 -0500
+++ fibonacci/fibonacci.c	2008-10-04 15:54:06.000000000 -0400
@@ -0,0 +1,66 @@
+void
+fibonacci(int s) {
+	unsigned int i, n, nx, ny, nw, nh;
+	Client *c;
+
+	for(n = 0, c = nexttiled(clients); c; c = nexttiled(c->next), n++);
+	if(n == 0)
+		return;
+	
+	nx = wx;
+	ny = 0;
+	nw = ww;
+	nh = wh;
+	
+	for(i = 0, c = nexttiled(clients); c; c = nexttiled(c->next)) {
+		if((i % 2 && nh / 2 > 2 * c->bw)
+		   || (!(i % 2) && nw / 2 > 2 * c->bw)) {
+			if(i < n - 1) {
+				if(i % 2)
+					nh /= 2;
+				else
+					nw /= 2;
+				if((i % 4) == 2 && !s)
+					nx += nw;
+				else if((i % 4) == 3 && !s)
+					ny += nh;
+			}
+			if((i % 4) == 0) {
+				if(s)
+					ny += nh;
+				else
+					ny -= nh;
+			}
+			else if((i % 4) == 1)
+				nx += nw;
+			else if((i % 4) == 2)
+				ny += nh;
+			else if((i % 4) == 3) {
+				if(s)
+					nx += nw;
+				else
+					nx -= nw;
+			}
+			if(i == 0)
+			{
+				if(n != 1)
+					nw = ww * mfact;
+				ny = wy;
+			}
+			else if(i == 1)
+				nw = ww - nw;
+			i++;
+		}
+		resize(c, nx, ny, nw - 2 * c->bw, nh - 2 * c->bw, False);
+	}
+}
+
+void
+dwindle(void) {
+	fibonacci(1);
+}
+
+void
+spiral(void) {
+	fibonacci(0);
+}