a2ps is an Any to PostScript filter. Of course it processes plain text files, but also pretty prints quite a few popular languages (66). Moreover it has the ability to delegate the processing of some files to other filters (such as groff, texi2dvi, dvips, gzip etc.), which allows a uniform treatment (n-up, page selection etc.) of heterogeneous files.
A3Com is a set of Perl modules and utilites which use SNMP to manage 3Com switches, such as SS3900s, SS9300s, and CoreBuilders. Tools included will search/dump/store bridge tables, ARP tables, retrieve system info, save and restore configurations in batch mode, upload new software in batch mode, change passwords, reboot switches, dump VLAN configurations, and more.
abcde is a frontend to cdparanoia, wget, cd-discid, id3, and your favorite Ogg Vorbis (the default), MP3, FLAC, Ogg Speex, or MPP (Musepack) encoder. It grabs an entire CD and converts each track to the desired format, then comments or ID3-tags each file, all with one command. It supports multiple output in a single CD read, the creation of a single track from a CD, resume operation, CD concatenation, volume normalization, gapless encoding (with LAME), parallelization, SMP, proxies, customizable filename organization and munging, playlist generation, distributed encoding via distmp3, and more.
AbiWord is a free word processing program similar to Microsoft Word. It is suitable for a wide variety of word processing tasks. It allows you to collaborate with multiple people on one document at the same time. It is tightly integrated with the AbiCollab.net Web service, which lets you store documents online, allows easy document sharing with your friends, and performs format conversions on the fly.
Achievo is a Web-based project management and tracking tool for small- to medium-sized companies, aiming to become a fully featured ERP-like system in the future. Features include a time registration module, scheduler, project management, todo's, and several statistical tools. Achievo is multi-language, fully customizable, and uses a modular system to allow future extensions.