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After a program has been thrown into the world in binary form, it can boomerang back as source code. The Boomerang reverse engineering framework is the first general native executable decompiler available to the public.

Icarus Verilog is an open source Verilog compiler that supports the IEEE-1364 Verilog HDL including IEEE1364-2005 plus extensions.

A tool to draw various charts from textual description. Currently, three types of charts are supported: Message Sequence Charts, generic graphs and Block Diagrams, with more to be added in the future. You can embed the charts in a document or presentation on Windows. There is a command-line version for linux, replacing mscgen. See the Wiki for detailed user and code documentation. Gábor Németh has volunteered to maintain a debian package for Ubuntu and has also developed a small GUI. See install instructions on the Wiki.

TikZiT HAS MOVED! TikZiT is now being hosted at GitHub. The versions here are out of date. See the website link below to download the latest version.

An open source COBOL compiler for the PC x86-32 platform. Generates GNU assembler and requires GCC to produce a binary. Supports Linux, BSD and MinGW 32 bit platforms.

An Electronic Definition Interchange Format (EDIF) parser which allows exports from one EDA schematic capture system (such as OrCad) for import into another (such as KiCad)

Wsmake is a make tool written in C/C++ for website development and maintenance. It features tag substitution, page ordering, and 'make'-like dependency checking.

The project's main purpose is to combine the existing open source tools into a powerful development environment. This is not just a Visual Studio like development environment, but also a Notepad upgrade, which can also be used to perform common tasks in daily use.

Xschem is a schematic capture program, it allows to create a hierarchical representation of circuits with a top down approach . By focusing on interconnections, hierarchy and properties a complex system (IC) can be described in terms of simpler building blocks. A VHDL, Verilog or Spice netlist can be generated from the drawn schematic, allowing the simulation of the circuit. Key feature of the program is its drawing engine written in C and using directly the Xlib drawing primitives; this gives top speed performance, even on very big circuits. I have succesfully managed to simulate complete VLSI projects with this tool, both digital (Verilog / VHDL) and analog (Spice). The user interface is built with the Tcl-Tk toolkit, tcl is also the extension language used to send commands to the program. Schematics can be printed in SVG, PNG, PDF, formats. XSCHEM runs on Linux or other Unix-likes with Xorg server and on Windows with the Cygwin layer and required tools installed.

The Z83 C Compiler is an optimizing cross compiler for a language very similar to C targeted toward the TI83+. The output from the compiler may be assembled with TASM (http://home.comcast.net/~tasm/) or ZASM (http://lpg.ticalc.org/prj_zasm/).

Aquamarine is a Object Oriented language. The goal of this project is to provide a aquamarine to C++ compiler and a classes library.

Imagin Raytracer is a portable and multithreaded raytracer designed to run on all Posix systems. With its many features and its ease of use, it makes it possible to create quickly realistic images and animations.

Kure is a C library which provides manipulation of relations and operations of relation algebra using a fast implementation using binary decision diagram. It provides a Lua based domain-specific embedded programming language to conveniently manipulate and work with relations. For instance, given relations R, S, the tupling of them can be computed using [R,S] and they can be composed using R*S.

Mutabor is a Program that allows performing and composing microtonal music using a normal MIDI keybord. But it's powerful description language is intended to allow permanent retunings and tuning logics in to describ, what's actually goes on.

XTCC/Qscript revolves around two concepts: 1) Data collection : Qscript 2) Data analysis : XTCC Qscript enables Market Research companies to securely collect data using online and offline mediums such as web, tablets/mobile. Different products include: 1) Pen and Paper Survey Management Qscript enables faster and easier keyboard entry with real time logic and validation. It generates SPSS and IBM Quantum compatible data tabulation programs leading to significant time savings of up to 80%. This is already being used by various companies in Market Research industry. 2) Tablet/Web enabled Survey Management Companies can launch the same survey, online and over Tablet/mobile. This product is in prototype phase. 3) XTCC, a web based cross tabulation tool that enables companies to carry out real-time analysis. It can analyze very large datasets in a very short period of time. It is in prototype phase. If you are interested in doing a pilot, please write to us.