Sehr Gut Libs (sglibs) is a set of utility libraries for general and scientific programming. It includes stack and string manipulation, CGI I/O, config file parsing, and sequence-processing for molecular biology.
Sonda is a powerful and simple way to implement polls on a Website. It outputs a nice themed graphic table with a precise percentage calculation. It is easy to customize the program with a config file. Sonda keeps a voters IP log and doesn't need a db.