Draw Freely, Open Source vector graphics editor, with capabilities similar to Illustrator, Freehand, CorelDraw, or Xara X using the W3C standard Scalable Vector Graphics (SVG) file format. Supported SVG features include shapes, paths, text, etc
port of the X Window System server to Windows. It shares the same source code base as Cygwin/X, but does not depend on the Cygwin environment or cygwin1.dll. Xming is a fully featured X11 server for Windows that is very simple to install and use.
a C/C++ interpreter aimed at processing C/C++ scripts, written in ANSI C (about 80000 loc), is solid enough to interpret itself and let the interpreted version execute a program.
a professional development tool for C and C++ providing code completion, source browsing and refactoring. It is "a must have" for understanding legacy code. (for Emacs and XEmacs)
dual-licensed implementation of SSL. It includes SSL client libraries and an SSL server implementation. It supports multiple APIs, including those defined by SSL and TLS. It also supports an OpenSSL compatibility interface.
a multi-platform game library for C/C++ developers that provides many functions for graphics, sounds, player input (keyboard, mouse, and joystick), and timers. It also provides fixed and floating point mathematical functions, 3D functions, etc...
The GNU C compiler apparently still permits this, and the VC++ 2005 compiler permits it too, though it issues a Level-4 warning if it’s C code, and a Level-2 warning if it’s C++ code.
a free/open source, cross platform IDE. It is developed in C++ using wxWidgets. Using a plugin architecture, its capabilities and features are defined by the provided plugins.
a C/C++ interpreter aimed at processing C/C++ scripts. Scripts are programs performing specific tasks. Generally execution time is not critical, but rapid development is. Using an interpreter the compile and link cycle is dramatically reduced facilitating
a tool for generating call graphs from source code. It supports various data collection methods such as using a patched compiler or objdump to collect proper information about the source and its layout. It currently supports C and C++ and comes with full
Guy Steele's keynote at the 1998 ACM OOPSLA conference on "Growing a Language" (mostly about JAVA) discusses the importance of and issues associated with designing a programming language that can be grown by its users.