alph implements and analyzes historical and traditional ciphers and codes, such as polyalphabetic, substitutional, and mixed employing human-reconstructable algorithms. It provides a pipe filter interface in order to encrypt and decrypt block text to achieve transparency. The program is meant to be used in conjunction with external programs that transfer data, resulting in transparent encryption or decryption of information. The program can thus be used as a mail filter, IRC filter, IM filter, and so on.
PIMPPA automates file downloading from newsgroups and FTP sites. Its especially designed for leeching pictures but can be used for any files. Filename-based heuristics and MD5 checksums are used for spam/duplicate prevention and automatic sorting of incoming material. The whole process is cronable. PIMPPA also includes a GNOME GUI and several commandline utilities for further processing and management of the kept files.
sTeam provides a technical platform which allows groups of students, lecturers, and any other groups to construct and arrange their individual and cooperative learning and working space. It consists of an object-oriented server connected to a database, and Web, Java, and other (FTP, SMTP, IRC, etc.) clients. The server is event-driven and manages all user objects as well as the communication between the connected clients. Features that were different from most other cooperation tools is the self-organisation and self-administration by the members within the virtual environment.
RegExp@News allows you to search through newsgroup articles with regular expressions. The whole process of specifiying the newsgroups, expressions, editing the personal preferences, viewing the found articles, and so on can be accomplished via a Web frontend. The system is also able to send found articles to the users by email. The users can select the newsgroups and expressions to be used in the search, as well as when they want to receive the found articles by email. All data are stored in a MySQL database. The article fetching and processing backend is built with Perl, and the Web frontend is built with Apache and PHP.
Korallenriff is a program that collects input from different network sources and stores their data into one database. For example, it can receive POP3 mail or can fetch NNTP groups and store the received messages in a database. One can then, for example, use the database data within a Web site to display the latest postings of a newsgroup or to create an online mailing list archive. Another possible use would be to build a blogging-software where one can post via email.