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Gmsh is an automatic 3D finite element mesh generator (primarily Delaunay) with build-in CAD and post-processing facilities. Its primal design goal is to provide a simple meshing tool for academic test cases with parametric input and up to date visualization capabilities. One of its strengths is the ability to respect a characteristic length field for the generation of adapted meshes on lines, surfaces and volumes, and to mix these meshes with simple structured grids. Gmsh is built around four modules: geometry, mesh, solver and post-processing. The specification of any input to these modules is done either interactively using the graphical user interface or in ASCII text files using Gmsh's own scripting language.

GPL Cver is a full 1995 P1364 Verilog standard HDL simulator. It also implements some of the 2001 P1364 standard features including all three PLI interfaces (tf_, acc_ and vpi_) as defined in the 2001 Language Reference Manual (LRM). Verilog is the name for both a language for describing electronic hardware called a hardware description language (HDL) and the name of the program that simulates HDL circuit descriptions to verify that described circuits will function correctly when the are constructed. Verilog is used only for describing digital logic circuits. Other HDLs such as Spice are used for describing analog circuits. There is an IEEE standard named P1364 that standardizes the Verilog HDL and the behavior of Verilog simulators. Verilog is officially defined in the IEEE P1364 Language Reference Manual (LRM) that can be purchased from IEEE. There are many good books for learning that teach the Verilog HDL and/or that teach digital circuit design using Verilog.

PCB is an interactive printed circuit board editor for the X11 window system. PCB includes a rats nest feature, design rule checking, and can provide industry standard RS-274-X (Gerber), NC drill, and centroid data (X-Y data) output for use in the board fabrication and assembly process. PCB offers high end features such as an autorouter and trace optimizer which can tremendously reduce layout time.

The GDSII Ruby Library provides an easy-to-use interface using Ruby to reading and writing GDSII files.

Sweet Home 3D is a free interior design application that helps you place your furniture on a house 2D plan, with a 3D preview.

你是不是有 X Windows 不认识的 TrueType 字体？可能是因为这个字体使用的编码不 是 Unicde！Open Type Organizer (oTo) 可以显示你的字体信息并通过翻译原始的 字体来添加新的“name”和“cmap”表。

zh-docproj 是一个用来构建 docproj PDF 文档的工具集。 这个工具集由 FreeBSD 简体中文项目维护。

Localized messages and documentation for KDE4.

Localized messages and documentation for KDE4.

QTerm 是一个 X Windows System 下的 BBS 客户端。其目标是做成一个 类似在 MS Windows 下的 Fterm 和 CTerm 的客户端。 特性： 1.鼠标支持 2.复制和粘贴 3.文章下载 4.地址簿 5.防止闲置 6.在 GB 和 BIG5 之间转换 - Yuan, Jue <yuanjue@yuanjue.net>