DragnDrop is a simple cross-platform utility to assist in debugging and monitoring drag-n-drop and clipboard interactions. It is of use to both developers and end users.
ECLiPSe Constraint Logic Programming System
The ECLiPSe Constraint Logic Programming System is designed for solving combinatorial optimization problems, for the development of new constraint solver technology and their hybrids, and for the teaching of modelling, solving and search techniques.
An advanced php debugger and profiler that support tracing, sampling, symbolic and exception break points, remote control. This is a zend extension and does not require php script modification.
SquirrelBuilder will be an Integrated Development Environment for the Squirrel scripting language featuring syntax highlighting, code-completion, integrated remote debugger, built in documentation, and other tools to make Squirrel development painless.
Unit Test for C is a very useful and powerful software development tool for C and C++ programmers. It is designed to provide a great deal of functionality in a very small package and functions nearly identically on Windows and UNIX systems.
Free cross-platform debugger for C/C++. It is frontend for GNU Project Debugger (GDB). Has good looking interface based on Qt4. See http://beaverdbg.googlecode.com for more info.
JTAG base library, ARM7TDMI and MIPS debugger stubs for GDB. Extendable architecture to add JTAG device drivers, debuggers, and custom JTAG applications.
HTML/CSS/JS and Markdown Playground For Web Designers and Developers
SpreadAppender is a log4j appender module that broadcasts log messages over a local multicast network using the Spread API. It is very efficient and perfect for clusters of network applications. Your sysadmin will thank you for it.