PPP Keepalive is a perl script intended to maintain a persistent dialup connection. When the script redials it can then send an email containing your dynamic IP address to an email account or ftp the address to a server. This way you can obtain the current IP address for your box remotely. This also introduces security issues, so use at your own risk.
LiMpOo is a multimedia player platform based on a Linux system using a Perl engine. It features playback of MP3 files (with playlists), CD audio (with CDDB lookup), and support for encoding, LCD, and IR. It uses MySQL for speed improvements. A PHP front-end helps to maintain all playlists.
OpenGroupware.org is a set of applications for contact, appointment, project, and content management. It is comparable to Exchange and SharePoint. It is accessible using Web interfaces or using local clients via WebDAV, GroupDAV, and CalDAV. Custom applications can be developed using the XML-RPC API. OpenGroupware.org runs on almost every GNU/Linux system.
rh-errata is a tool for maintaining the integrity of a Red Hat Linux system. It builds a respository of RPM files from a designated mirror of the Red Hat updates site. It only downloads RPM files that have not already been downloaded. Optionally, it can produce a report that shows which RPM files in your respository need to be updated and which ones have already been installed.
ScriptBasic is an interpreter for the old language BASIC. It runs on Win32 as well as on UNIXes as a command-line or CGI program interpreter. It includes an interpreter, a compilable, well-documented embedding and extending interface for the C programmer, and a rich set of commands and functions.
MPEG Maaate (MPEG audio analysis toolkit) is a C++ toolkit to parse and analyse audio data in the frequency domain, e.g. analysing MPEG-1/2 Layers 1-3 audio files in the compressed domain. It makes the encoded fields of an MPEG audio stream accessible and provides some content analysis functions like silence detection.
diet libc contains the system call wrappers and the most commonly-used functions you expect from a libc. It can be used to create small, statically-linked binaries under x86, AMD64, SPARC, SPARC64, PPC, PPC64, ARM, MIPS, MIPS64, PA-RISC, S/390, S/390x (64-bit S/390), and Alpha-Linux.