This was my description of Malzilla: Malware hunting tool
Others think that Malzilla deserves some better description.
Home page: http://malzilla.sourceforge.net/index.html
JohnC from Malware Domain List says:
"Explore malicious webpages and view their code with Malzilla"
Valentin from Chip Online says:
Latest binaries for Windows can be downloaded from here.
Source code can be downloaded from here.
Templates Pack01 - navigator
PDF_streams_inflater - find and extract zlib compressed streams from PDF files
XORer - XOR a file
InnoBF - brute force password-protected InnoSetup-based installers (sources)