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Qfsm is a graphical editor for finite state machines written in C++ using Qt. Finite state machines are a model to describe complex objects or systems in terms of the states they may be in. In practice they can used to create regular expressions, scanners or other program code. Current features of Qfsm are: - Creation, editing, loading and saving of binary and ASCII machines - Drawing of states and transitions - Binary and ASCII condition codes - Setting of a start state and end states - Zooming - Cut, copy & paste inside Qfsm - Printing of diagrams - Multiple windows - Integrity check - Interactive simulation - AHDL/VHDL export - State table export (Latex, HTML)

Qucs is an integrated circuit simulator which means you are able to setup a circuit with a graphical user interface (GUI) and simulate the large-signal, small-signal and noise behaviour of the circuit. After that simulation has finished you can view the simulation results on a presentation page or window.

TOCHNOG is a free finite element program with many features. TOCHNOG accepts free format input. Boundary conditions can be imposed at geometrical entities, as well as nodes and elements. Among the FE models supported are: differential equations (materials), convection-diffusion equations, Stokes and Navier-Stokes (fluids), elasticity (isotropy and transverse isotropy), plasticity (Von-Mises, Mohr-Coulomb, etc.; plastic surfaces can be arbitrarily combined). Residues in equations and error estimates for all data can be printed or plotted using gnuplot/plotmtv, CalculiX or gmsh. TOCHNOG supports a choice of description frames including Lagrangian, Eulerian and arbitrary Eulerian-Lagrangian (AEL).

VARKON can be used as a traditional CAD-system with drafting, modelling and visualization if you want to but the real power of VARKON is in parametric modelling and CAD applications development. VARKON includes interactive parametric modelling in 2D or 3D but also the unique MBS programming language integrated in the graphical environment. The system was originally developed by a group at the University of Linkoping in Sweden during 1984-86 under the leadership of Dr. Johan Kjellander who was then the president of Microform AB. From 1986 the system was owned, marketed and further developed by Microform AB.

Transcalc is an analysis and synthesis tool for calculating the electrical and physical properties of different kinds of RF and microwave transmission lines. Transcalc was somewhat inspired by the functionality of Agilent Technologies' commercial program linecalc. Transcalc aspires to be more functional in the long run and well-documented with appropriate references to formulas that are used. Transcalc is built using the GIMP toolkit (GTK) for its GUI interface. For each type of transmission line, using dialog boxes, you can enter values for the various parameters, and either calculate its electrical properties (analyze), or use the given electrical requirements to synthesize physical parameters of the required transmission line. Available transmission lines (this list will expand with subsequent releases): - Microstrip - Rectangular Waveguide - Coaxial Line - Coupled Microstrip

TaBE 意为 `台湾和大五码编码（Taiwan and Big5 Encoding）'。 libtabe 为处理中文字词、短语、句子以及注音符号提供了统一的界面和类库。 它是打算成为中文文字处理的基础。

aterm 是一个彩色的 vt102 终端模拟器，它基于 rxvt 2.4.8，增加了加速的透明度。 它基于以用户为中心创建，但不依赖于任何类库，方便在任何地方使用。 - Jim <jim@FreeBSD.org>

Chewing - UNIX 下的一种智能语音中文输入法 - Kuang-che Wu kcwu@csie.org

Reciteword 是一款帮助人们学习英语的教育软件，背诵英语单词。它有非常漂亮的界面， 让背诵单词成为一件有趣的事。

The overall goal of this project is to provide remote control service on Linux through Bluetooth, InfraRed, Wi-Fi or just TCP/IP connection. anyRemote supports wide range of modern cell phones like Nokia, SonyEricsson, Motorola and others. It was developed as thin communication layer between Bluetooth (or IR, Wi-Fi) capabled phone and UNIX, and in principle could be configured to manage almost any software.