diff --git a/tool/boot/README b/tool/boot/README
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+This directory contains boot-loader files needed to boot Genode and to create
+boot images. The tools are available in binary form. Pointers to the source
+code respectively the download source of binaries are described below.
+
+:'bender'
+
+  The 'bender' tool is part of the 'morbo' toolchain available under GPL.
+  The toolchain was obtained from https://github.com/TUD-OS/morbo.
+
+:'pulsar':
+
+  The 'pulsar' tool was obtained in binary form from 
+  http://os.inf.tu-dresden.de/~us15/pulsar.
+
+:'chain.c32', 'isolinux.bin'
+  
+  These files are part of the 'Syslinux Project' hosting several bootloaders.
+  The sources has been obtained from http://www.syslinux.org.
+
+:'stage2_eltorito':
+
+  This file is part of a modified Grub 0.97 available under GPL. The sources
+  of the modified Grub 0.97 were obtained from
+  http://os.inf.tu-dresden.de/~adam/grub.
+