CKS is an openPGP (RFC2440) compliant public key server. It is currently under development. It is written in C, and runs on Linux. It uses PostgreSQL for key storage, and supports the hkp protocol (it can interface with GnuPG and NAI PGP). The keyserver is mostly functional, and there is a link to a running copy on the homepage.
DeepVacuum is a download manager based on the GNU wget command line tool. It includes a vast number of options to fine tune your downloads through both HTTP and FTP protocols. It makes it possible to download whole single pages, entire sites, FTP catalogs, link lists from a text file, and filtered types such as images.
GENtle is bioinformatics software for everyday molecular biology tasks. It features DNA and amino acid sequence display and editing, database management, plasmid maps, restriction and ligation, alignments, sequencer data import, calculators, gel image display, primer design, virtual PCR, online database access, graph/spectra display, PHYLIP interface, and more.