Free 32/64/16-bit multi-platform Pascal and Object Pascal compiler
A 32/64/16-bit Pascal compiler for Win32/64/CE, Linux, Mac OS X/iOS, FreeBSD, OS/2, Game Boy Advance, Nintendo NDS and DOS; semantically compatible with Delphi, Borland Pascal and Mac Pascal (partially) with extra features, e.g. operator overloading.
gPhoto is a program and library framework that lets users download pictures from their digital cameras. The libgphoto2 library gives you access to hundreds of models of digital cameras on several platforms. GIT repo and Issue tracker lives at https://github.com/gphoto/ these days.
Run Windows applications on Linux, BSD, Solaris, and Mac OS X
Wine is an Open Source implementation of the Windows API on top of X and Unix. Wine provides both a development toolkit for porting Windows sources to Unix and a program loader, allowing many unmodified Windows binaries to run on x86-based Unixes.
Open Source Solid Modeling CAD
BRL-CAD is a powerful cross-platform constructive solid geometry solid modeling system that includes an interactive geometry editor, ray-tracing for rendering & geometric analyses, network distributed framebuffer support, image & signal-processing tools.
EJBCA is an enterprise class PKI Certificate Authority built on JEE technology. It is a robust, high performance, platform independent, flexible, and component based CA to be used standalone or integrated in other JEE applications.
OpenSource OpenGL Multiplayer Multiplatform Battle Zone capture the Flag. 3D first person tank game. Project has moved to Github: https://github.com/BZFlag-Dev/bzflag
ANSI C functions and macros for flexible logging to files and other destinations. It is modeled after the Log for Java library (http://www.log4j.org), staying as close to their API as is reasonable. Intended for use in time-space critical environments
A BPM process-based application platform with a workflow engine
Bonita is used by innovative companies worldwide to deliver better digital user experiences for customers and employees. The extensible and open Bonita application platform is designed for multidisciplinary development teams to create Living Apps--applications that allow continuous and incremental improvement--connecting tailored user interfaces with reliable back-office operations. Learn more at www.bonitasoft.com
The PHP script engine for Java. --- Run PHP applications within any J2EE server or servlet engine and/or connect script engines like PHP with Java or .NET back ends efficiently.
Judy is a general purpose dynamic array implemented as a C callable library. Judy's speed and memory usage are typically better than other data storage models and improves with very large data sets.
Generator of lexical analyzers in C and C++. Unicode Supported.
The goal of this project is to provide a generator for lexical analyzers of maximum computational efficiency and maximum range of applications. This includes the support for Unicode (UTF8, UTF16, ...) and other codecs directly and via nested converters such as ICU(tm) and IConv. Sophisticated buffer handling allows to operate on plain file streams, on sockets, or manually fed buffer content.
Calc: arbitrary precision C-like arithmetic & calculator
Calc is arbitrary precision C-like arithmetic system that is a calculator, an algorithm prototyper and mathematical research tool. Calc comes with a rich set of builtin mathematical and programmatic functions.
VIKAMINE is a flexible environment for visual analytics, data mining and business intelligence - implemented in pure Java. It features several powerful visualization and mining methods, and can utilize background knowledge.
"Aubit 4GL" is a project to make GPL, OpenSource, Informix-4GL compatible compiler, and continue to extend functionality needed to write most efficient and productive business related, database oriented applications. See "Home Page" link for more.
libircclient is a small but powerful library, which implements client-server IRC protocol. It has all features needed to create your own IRC client or bot, including multi-threading support, sync and async interfaces, CTCP/DCC support, colors, SSL connections and so on.
The Heirloom Project provides standard Unix utilities.
The OSALP is a C++ class library that contains everything one needs to build an audio application. It contains a powerful chaining concept so programmers can build an audio application by selecting the building blocks they need.
Multithreaded scripting language
Qore is a scripting language supporting threading and embedded logic, designed for applying a flexible scripting-based approach to enterprise interface development but is also useful as a general purpose language. No more development or releases happen on sourceforge; development has moved to https://github.com/qorelanguage/qore
XmlRpc++ is an implementation of the XmlRpc protocol written in C++, based upon Shilad Sen's excellent py-xmlrpc library. It is designed to make it easy to incorporate XmlRpc client+server support into C++ applications and requires no other libraries.
Lush is a Lisp dialect with extensions for object-oriented and array-oriented programming. Lush is intended for prototyping numerically intensive applications and is designed for easy integration of existing C/C++/Fortran codes.
StrongKey is a building block in an Enterprise Key Management Infrastructure (EKMI), with the goal of centrally managing symmetric encryption keys.
GNE, or the Game Networking Engine, will be a multithreaded, cross-platform C++ networking library with an API specifically addressing the needs of game networking.
Tools to process and visualize scientific data and images
Teem is a set of ANSI C libraries for manipulation, measurement, and visualization of structured scientific data. Includes N-dimensional image I/O and processing, volume rendering, diffusion tensor processing, ray tracing, PostScript rendering, and more.
Java3D 3DS FileLoader for platforms supporting JDK1.4 and Java 3D Highly functional, multiplatform 3DS File format loader Supports: Heirarchical animation Cameras Point Lights Directional Lights Textures Smooth Groups and other features
Twin is a "retro" program for embedded or remote systems
Twin is a text-mode window environment. It supports mouse and multiple windows, has a built-in terminal emulator and window manager, and can serve as display for client applications. Its retro look-and-feel comes with very modern features: it is best described as a VNC-like server, that can use a variety of displays - all with mouse support: from a plain text terminal, to a Linux console, to a full kde, gnome or X11 desktop. Source code hosted at https://github.com/cosmos72/twin