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MusicBrainz Picard is a cross-platform application written in Python and is the official MusicBrainz tagger. Picard supports the majority of audio file formats, is capable of using audio fingerprints (AcoustIDs), performing CD lookups and disc ID submissions, and it has excellent Unicode support. Additionally, there are several plugins available that extend Picard's features. When tagging files, Picard uses an album-oriented approach. This approach allows it to utilize the MusicBrainz data as effectively as possible and correctly tag your music.

The G.722 module is a bit exact implementation of the ITU G.722 specification for all three specified bit rates - 64000bps, 56000bps and 48000bps. It passes the ITU tests. To allow fast and flexible interworking with narrow band telephony, the encoder and decoder support an option for the linear audio to be an 8k samples/second stream. In this mode the codec is considerably faster, and still fully compatible with wideband terminals using G.722.

TiMidity++ is a MIDI player without external MIDI instruments. This can also convert MIDI files to various formatted audio files (ex. wav, au, etc..). In addition to this port, "Gravis Ultra Sound" compatible patch files (or SF2 format SoundFont) are required to play files. Formerly, the original version of this program was written by Tuuka Toivonen(until version 0.2i). Now, Masanao Izumo and many hackers are developing "TiMidity++".

TTCP is a benchmarking tool for determining TCP and UDP performance between 2 systems. The program was created at the US Army Ballistics Research Lab (BRL) and is in the public domain. Feel free to distribute this program but please do leave the credit notices in the source and man page intact. How to get TCP performance numbers: receiver sender host1% ttcp -r -s host2% ttcp -t -s host1 -n and -l options change the number and size of the buffers.

The BioJava Project is an open-source project dedicated to providing Java tools for processing biological data. This will include objects for manipulating sequences, file parsers, CORBA interoperability, access to ACeDB, dynamic programming, and simple statistical routines. The BioJava library is useful for automating those daily and mundane bioinformatics tasks. As the library matures, the BioJava libraries will provide a foundation upon which both free software and commercial packages can be developed.

Free, open source molecular viewer and editor for protein structure, DNA structure, PDB, molecular rendering, biological macromolecule. Atoms may be drawn as spheres of different sizes. Bonds may be drawn as cylindrical sticks, conical sticks or as curved surfaces. Five types of slab are available: planar, spherical, semi-spherical, cylindrical and semi-cylindrical. The slab position and thickness are visible in a small window. Atomic bonds as well as atoms are treated as independent drawable objects. and more.

Fluctuate fits the model which has a single population which has been growing (or shrinking) according to an exponential growth law. It estimates 4Nu and g, where N is the effective population size, u is the neutral mutation rate per site, and g is the growth rate of the population. Fluctuate forms part of the Lamarc (Likelihood Analysis with Metropolis Algorithm using Random Coalescence) suite. See: http://evolution.genetics.washington.edu/lamarc.html

tRNAscan-SE was written in the PERL (version 5.0) script language. Input consists of DNA or RNA sequences in FASTA format. tRNA predictions are output in standard tabular or ACeDB format. tRNAscan-SE does no tRNA detection itself, but instead combines the strengths of three independent tRNA prediction programs by negotiating the flow of information between them, performing a limited amount of post-processing, and outputting the results in one of several formats.

Dinotrace is a signal waveform tracing tool that supports traces in the form of Verilog Value Change Dump (VCD), ASCII, Verilator, Tempest CCLI, COSMOS, Chango and Decsim Binary. Dinotrace is also equipped with an interface to GNU Emacs. Dinotrace was conceived in the early 1980's by Allen Gallotta at Digital Equipment Corporation, who wrote the code and supported it through version 4.2. When created, it was the first graphical display tool for the simulators being designed at Digital.

Electric is a sophisticated electrical CAD system that can handle many forms of circuit design, including: Custom IC layout (ASICs) Schematic drawing Hardware description language specifications Electro-mechanical hybrid layout (snip, this is an edited version of Electric's homepage) Electric handles these file formats: CIF I/O GDS I/O VHDL I/O DXF I/O PostScript, HPGL, and QuickDraw output For real functionality, one should consider installing support simulation software such as cad/spice.