Anjuta DevStudio is a versatile Integrated Development Environment (IDE) for software development on GNU/Linux. It features many advanced facilities such as project management, application wizards, interactive debugger, source browsing etc.
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 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.
sdbg is an open-source and extensible debugger. Built based on plugin architecture, sdbg may support up to any numbers of platform, architecture and allows integration to any existing debugging API.
Java Decompiler, Disassembler and Bytecode debugger. Decompiler supports Java 5 (e.g. generics, for-each loops etc). Debugger allows user to step through each bytecode and view program state. Contains Swing GUI.
What is a Protocol Debugger? Conditionally break based on BPF filters, modify protocol contents on the fly. Build custom actions that let you manipulate how you speak on the network. Or manually edit protocol fields and send the packets along.
PATAN is an user level application debugger for Linux. It uses JIM (a small footprint Tcl interpreter) and libdbg (a debugging library I'm working on). It is in a very early stage and the code is poor (probably I'll rewrite it).
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.
SDCC source-level debugger, monitor and downloader for the 8051 based TI MSC12xxEVM's. Windows, Cygwin, Linux and BSD Macs have all been tested under SDCC 2.5.0 is supported. SDCC 2.6.0 is not yet supported.
httpdbg is an HTTP proxy server which is single-threaded and prints every HTTP request and response to a log file as well as to stdout. It effectively single-threads your browser, which can help in debugging race conditions.
E2HC08 is a free development enviroment for Freescale Semiconductor ( Motorola's company ) 68HC08 microcontroler on GNU/Linux. It has been written in C and features towards a Integrated Development Environment (IDE) and future integration with another f
JTAG base library, ARM7TDMI and MIPS debugger stubs for GDB.
Extendable architecture to add JTAG device drivers, debuggers, and custom JTAG applications.
zdb is an effort to create a source level debugger for Inform, the modern programming language of the Z-machine. The Z-machine is the virtual machine created by Infocom for distributing text adventures.
A simulator/debugger for some computers described in "Weber, Raul Fernando. Fundamentos de Arquitetura de Computadores. Sagra Luzzato, Porto Alegre, 2000." Neander already works, but I hope to add support for Ramses soon. Cesar and Ahmes will follo
...Includes many advanced functions for graphics (VESA 1.2 and 2.0) and others to create powerful DOS applications. Support VCPI and DPMI memory handlers. Includes a DPMI compliant debugger.
IMAVR is Atmel AVR 8-bit RISC chip emulator for UNIX. You can run your code before programming to chip. Embedded simple debugger and disassembler. Emulate wide range of AVR chip, wide range of their modules: EEPROM,USART, timers and so on.
Lizard is a debugger that lets you step forwards as well as backwards through the execution of your program. Lizard is a replay debugger: the program is run to completion under a tracer first, and then the replay stage begins.