Things you might be looking for:
Software:
enigma-suite
libmpdec
cdecimal
Papers:
papers
A formal proof for the stability of mergesort:
mergesort-stable
M4 Message Breaking Project:
M4 Project
M4 Project Client Install
M4 Project Results
M4 Project Statistics
M4 Project Mailing Lists
M4 Project Blog
Howtos, install instructions:
daemontools install instructions
ucspi-tcp install instructions
getting started with tcpserver
setup of a daytime server
common tcpserver setups
Recommended sites about classical ciphers:
Frode Weierud's CryptoCellar:
CryptoCellar
Contact:
Stefan Krah <website @ bytereef.org>