diff --git a/README.md b/README.md
index c8a0fbb..f64a19c 100644
--- a/README.md
+++ b/README.md
@@ -74,8 +74,11 @@ A lot of work is happening in academia and industry on tools to perform dynamic
 16. [IntentFuzzer](https://www.isecpartners.com/tools/mobile-security/intent-fuzzer.aspx)
 17. [IntentSniffer](https://www.isecpartners.com/tools/mobile-security/intent-sniffer.aspx)
 18. [Introspy](https://github.com/iSECPartners/Introspy-Android)
-19. [Jad]( http://www.varaneckas.com/jad)
-20. [JD-GUI](http://java.decompiler.free.fr/?q=jdgui)
+19. [Jad]( http://www.varaneckas.com/jad) - Java decompiler
+20. [JD-GUI](http://java.decompiler.free.fr/?q=jdgui) - Java decompiler
+21. [CFR](http://www.benf.org/other/cfr/) - Java decompiler
+22. [Krakatau](https://github.com/Storyyeller/Krakatau) - Java decompiler
+23. [Procyon](https://bitbucket.org/mstrobel/procyon/wiki/Java%20Decompiler) - Java decompiler
 21. [Redexer](https://github.com/plum-umd/redexer) – apk manipulation
 22. [Smali viewer](http://blog.avlyun.com/wp-content/uploads/2014/04/SmaliViewer.zip)
 23. [ZjDroid](https://github.com/BaiduSecurityLabs/ZjDroid)