Dranzer: ActiveX vulnerability discovery tool. CERT developed this opensource tool so that software developers can test ActiveX controls for vulnerabilities before the software is released to the public.
A userland debugger (featuring kernel memory access) capable of debugging x32 and native x64 bit applications. The Debugger is using SDL with the look and feel of a well known one
ThinFlashDebug (TFD) is a simple and lightweight debug tool. It uses a LocalConnection to log messages from your Flash application to a standalone debug window. It uses only static functions and no includes are necessary.
Like the well-known tee program on UNIX systems, HttpTea is sitting between the client and the server of a HTTP connection. It allows you to modify the requests and responses before submission. HTTPS traffic can be decrypted an displayed as well.
Disassembler for Windows(95-XP), currently supports PE, NE, MZ, COM and "unknown" executable formats. Includes also OS independent console version (but requires x86). Output syntax similar to NASM .
A debugger similar to MS-DOS' "debug.com" (32-bit x86 only)
A binary-level debugger for Linux i386/32-bit similar to the MS-DOS debugger. No debugging information is necessary. Debugging begins at ld.so, the executable entry point or at main(). There is FPU support.
Edyuk is a free, opensource, fast and lightweight development environment which supports C++ and Qt 4 out of the box and can be extended through plugins. It works under all platforms supported by Qt 4 (Linux, Mac, Windows, BSD, ...).
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TrueProgrammer by TrueTech is the first multi-platform, multi-language IDE/compiler for developers. The system works with BASIC, Tcl, Assembly, C++ and more. Currently, the project is in early production in TCL/TK.
Interactive PHP shell Create an interactive environment to debug php line by line. It enables you to execute php code as if it were a command line in a similar setting to bash and psh (perl shell).
Java tool for searching classpath for resources such as class or files. Drag and drop interface for add new jars to your search path. Useful for resolving those class not found problem such as java.lang.ClassNotFoundException and java.lang.NoClassDefFoun
cingb is an ATTEMPT to write a Gameboy-emulator for all kinds of platforms.
It plays Gameboy and Gameboy Color ROMs, includes a debugger for step-by-step analysis of Gameboy programs and might be also interesting for educational
purposes.
The project is a Windows XP kernel driver allowing debugging kernel drivers over a named pipe EXTREMELY FAST. Compatible with both VMWare Workstation and VMWare server.
J2ME MIDlet for discovering device's bugs and features. For users and developers. It's a must have for mobile software porting. Useful for assure compatibility when developing for a large number of devices.
Tools to incrementally build customised Forth Virtual Machines for embedded applications. Token compiler converts token description into C code templates. PC console application includes FVM, it is used to compile and debug bytecodes for target FVM.
DUMA (Detect Unintended Memory Access) is a multi-platform memory debugging library. It can detect memory leaks and buffer overruns (or underruns) in a malloc() / new memory buffer. DUMA is a fork of Bruce Perens' Electric Fence library.
sourceforge isn't maintained for many years!
suggest you want to look at https://github.com/johnsonjh/duma
The dashx debugger is a program for tracing the execution of a target application. As code in the target is executed, the source code information is printed by dashx. The output includes the source file-name, line-number, and source line text.
xacc.ide is a opensource IDE aimed at mainly .NET development. It has a code editor written in 100% C# code, which is faster than most commercial offerings.
Winpdb is a platform independent GPL Python debugger with support for multiple threads, namespace modification, embedded debugging, encrypted communication and is up to 20 times faster than pdb.