Open-source alternatives to Gdbgui

Raddebugger is a native Windows x64 debugger that also functions as a high-speed PE/COFF linker and a PDB/DWARF debug information converter. It combines these three capabilities into a single development tool aimed at inspecting and controlling native x64 Windows applications, with the ability to attach to multiple processes simultaneously within one session. The debugger is built around a custom binary debug format that converts standard PDB and DWARF symbols into a compact representation for fast loading and minimal memory overhead. It includes a fuzzy symbol search engine for locating func

Seer is a graphical frontend for GDB that provides a visual interface for inspecting variables, managing breakpoints, and stepping through code. It functions as a low-level debugger visualizer with specialized tools for call stack inspection and register visualization. The project distinguishes itself by integrating low-level program analysis directly into the visual experience, featuring a synchronized assembly overlay that maps CPU registers and assembly instructions to source code lines. It also includes memory bug detection capabilities by randomizing the program starting address during t

This project is a language extension for VS Code that provides comprehensive Go language support. It functions as a language server client, a debugger interface, and a toolchain manager to facilitate Go application development. The extension distinguishes itself by integrating a full suite of toolchain management capabilities, allowing for the installation and configuration of required binaries, linters, and compiler versions directly within the editor. It also provides deep integration for interactive debugging via Delve, supporting remote target debugging, process attachment, and program st

The C/C++ extension for Visual Studio Code provides language support for C and C++ programming, including IntelliSense-powered code editing, navigation, and debugging capabilities. It enables syntax highlighting, code completion, hover information, and error checking for C and C++ source files, along with features like semantic colorization, symbol search, and call hierarchy exploration. The extension offers comprehensive debugging support for C/C++ programs, including launching debug sessions with breakpoints, stepping through code, and inspecting variables. It supports debugging multi-threa

This project is a Chromium-based mobile browser and rendering engine designed for mobile platforms. It functions as a web extension host, allowing the execution of browser extensions within a mobile environment to provide custom functionality. The project distinguishes itself through custom user interface modifications, such as the implementation of a specialized night mode and the relocation of the address bar for improved ergonomics. It also includes a remote debugging interface and protocol that allow an external developer console to connect to a live browser instance for inspecting and tr

This project is a comprehensive productivity guide and configuration reference for the VS Code editor. It provides a curated collection of shortcuts, configuration tips, and tutorials designed to improve efficiency and optimize the daily coding workflow. The resource covers advanced AI-assisted development, including the integration of autonomous agents, custom prompt files, and AI-powered coding assistants for task automation and code generation. It also provides specialized guidance on integrated terminal management, such as configuring shell profiles and automating command execution. Addi

spy-debugger is an HTTP proxy debugging tool designed for intercepting and analyzing network traffic from mobile devices, WebViews, and mobile browsers. It functions as a network packet capture tool and a remote browser inspector, allowing users to monitor HTTP and HTTPS requests wirelessly without the need for USB cables. The project distinguishes itself by using script injection to enable remote debugging. It injects JavaScript into HTTP response bodies, providing the ability to inspect HTML and CSS elements and perform live page content editing directly on the mobile screen. Additionally,

HyperDbg is a hardware-assisted kernel-mode debugging platform that leverages virtualization to monitor and control system execution. By utilizing hypervisor-level primitives, it enables deep system analysis and instrumentation without relying on standard operating system debugging interfaces. The framework provides a comprehensive environment for inspecting both kernel and user-mode processes, allowing for granular control over execution flow and system state. The project distinguishes itself through a transparent debugging layer designed to remain invisible to the target environment. It emp

MAME is a vintage hardware emulation platform designed to recreate the circuitry of arcade games, computers, and consoles to run original software on modern devices. It functions as a retro gaming preservation framework for managing, verifying, and archiving ROM sets and disk images to ensure long-term software accessibility. The project features a system debugging tool for inspecting emulated memory, CPU registers, and execution flow via breakpoints and disassembly. It also includes a Lua-based automation layer that exposes core system state and hardware controls for custom behavior and anal

Android-Debug-Database is a specialized utility for extracting, inspecting, and editing mobile data on Android devices. It serves as a database debugger and SQLite inspector that provides a web-based interface for managing database records and shared preference key-value stores. The project distinguishes itself by supporting encrypted database decryption via provided passwords and the ability to map and inspect volatile in-memory databases. It also includes a data export tool that transfers database files from the private application directory to a local machine for external analysis. The to

Icecream is a Python debugging utility designed for inspecting variable values and execution flow during development. It provides a variable inspector that automatically labels values and attaches file and line number metadata to each output. The tool features a builtins injector that adds debugging functions to the global namespace, allowing for universal access across all project files without manual imports. It also includes an inline debugging tool that returns its arguments to the caller, enabling the insertion of inspection calls directly into active expressions without altering program

Better Errors is a Rack middleware exception handler and interactive application state inspector for Ruby web applications. It intercepts unhandled exceptions to render developer-friendly error pages that provide detailed stack traces and variable inspection. The tool provides a debugging interface that allows for live code evaluation at every stack frame of an exception. It maps stack trace entries to local filesystem paths for direct navigation to source code in an editor and restricts interface access via IP-based validation. The project covers error response formatting for API and AJAX c

Racket is a general-purpose, multi-paradigm programming language in the Lisp family designed for language creation. It functions as a language workbench, providing a platform for designing and implementing custom programming languages through a flexible system of macros and modules. The system distinguishes itself by offering a comprehensive suite for semantics engineering, allowing for the construction of specialized language subsets and educational layers. It includes tools for custom language design, such as lexer and parser generation, as well as the ability to define module expansion rul

Vimspector is a visual debugger integration for Vim that enables developers to step through code and inspect program state without leaving the editor. It utilizes the Debug Adapter Protocol to provide a unified interface for debugging multiple programming languages through various debug adapters. The project distinguishes itself by supporting low-level analysis and specialized environments, including bare metal hardware debugging for microcontrollers and the ability to perform disassembly analysis and process memory dumping. It also provides remote debugging capabilities by proxying requests

rr is a deterministic record and replay framework and reverse debugger for Linux processes. It provides a deterministic execution environment that captures program execution, allowing bugs and crashes to be reproduced exactly through replay. The tool enables reverse program execution, allowing a developer to move the program counter backward through recorded history to trace a bug from its effect back to its source. It utilizes a recording mechanism that ensures a process run can be replayed with identical memory and register states. The framework covers low-level software analysis and nativ

Rivet is a visual LLM workflow designer and AI agent orchestration engine. It serves as a development environment for building retrieval augmented generation pipelines and a TypeScript library for embedding visual AI graphs and prompt logic into JavaScript applications. The system differentiates itself through a node-based editor that maps data flow between language models, vector databases, and external APIs. It provides specialized tools for prompt engineering, including interfaces for iterative prompt refinement and A/B testing to improve model response quality. The platform covers a broa

JerryScript is a lightweight, ECMAScript-compliant JavaScript engine and bytecode compiler designed for resource-constrained devices. It serves as an embedded interpreter and IoT scripting runtime, enabling the execution of JavaScript code within native C applications on hardware with limited memory. The project differentiates itself through a focus on low-memory runtime management, utilizing bytecode precompilation and pre-compiled state snapshots to reduce startup time and memory overhead. It features a C-binding native bridge for bidirectional communication between native code and scripts,

node-inspector is a web-based debugger for Node.js applications that integrates the Blink developer tools interface. It functions as a runtime profiler and inspection suite, providing a remote debugging interface to connect a local browser to a Node.js process. The project enables live code iteration, allowing source code to be modified while the process is running and persisting those changes back to the physical file system. It also includes a JavaScript runtime profiler to monitor CPU and heap usage for identifying bottlenecks and memory leaks. The tool covers execution flow control throu

PySnooper is a diagnostic library for Python that tracks variable values and execution flow to provide a detailed history of program state. By applying decorators to functions, generators, or classes, it logs line-by-line execution and state changes without requiring manual print statements. The tool distinguishes itself through its ability to monitor nested function calls and concurrent operations in multi-threaded applications. It captures execution context by accessing the current stack frame, allowing for the inspection of local variables and the evaluation of arbitrary expressions during

GEF is a Python-based extension for GDB that serves as a framework for binary analysis, exploit development, and low-level debugging. It functions as a dynamic analysis extension designed to assist in reverse engineering workflows and malware analysis by enhancing the debugger's ability to inspect process state and memory. The project is distinguished by its specialized heap analysis tools, which allow for the inspection of glibc heap arenas, bins, and chunks to detect memory corruption. It also provides a dedicated toolkit for exploit development, including cyclic pattern generation for offs

Stetho is a debug bridge that connects Android applications to Chrome Developer Tools. It allows for the real-time inspection of network traffic, internal application state, and the user interface layout directly within a desktop browser. The project provides specialized inspectors for analyzing Android-specific components. This includes a network inspector for capturing HTTP requests and responses, an SQLite database browser for querying local storage, and a view hierarchy inspector for mapping UI elements and styles. Additional capabilities cover runtime execution via an embedded JavaScrip

Neovim thin wrapper for GDB, LLDB, PDB/PDB++ and BashDB

Chisel is a collection of LLDB debugging extensions and tools for inspecting and manipulating the user interface of iOS applications. It provides utilities for tracing responder chains, traversing view hierarchies, and modifying UI elements during runtime. The toolset distinguishes itself through specialized visual debugging capabilities, including a suite for toggling view visibility and borders to isolate layout issues, as well as a system to export colors and images from a running app to a desktop previewer for asset verification. The project covers a broad range of UI diagnostic capabili

pwndbg is a GDB plugin and binary analysis framework designed for reverse engineering, exploit development, and low-level program analysis. It extends the core functionality of the debugger to provide advanced memory inspection and automation tools. The project distinguishes itself with specialized capabilities for heap analysis across glibc, jemalloc, and musl, as well as a comprehensive kernel debugging toolkit for inspecting Linux kernel tasks and slab allocators. It includes an integrated ROP gadget searcher for constructing exploit chains and an LLM-powered debugging assistant that provi

CodeIgniter is a PHP web framework built on the Model-View-Controller pattern, designed for building full-stack web applications. It provides a lightweight toolkit with minimal configuration, organizing application logic into controllers, models, and views for clean separation of concerns. The framework includes a fluent query builder for constructing SQL statements programmatically, PSR-4 autoloading with namespace mapping, and a service-based dependency injection container for managing shared class instances. The framework distinguishes itself through its comprehensive set of built-in tools

Flipper is a mobile app debugging platform and cross-platform debugging bridge that connects a desktop environment to mobile devices. It provides a desktop tool for inspecting logs, network traffic, and layout hierarchies of mobile applications in real time. The platform is built as a plugin-based developer tool, offering a customizable framework for building visual debugging tools and data inspectors. This architecture allows for the creation of specialized plugins and visualizers to monitor internal application data through the desktop interface. The tool covers several functional domains

This is a visual debugging tool for VS Code that renders program variables and data structures as graphical diagrams during active debugging sessions. It functions as a programmable framework that converts internal runtime data and debug expressions into visual representations to assist in understanding program state. The project distinguishes itself through a programmable extraction system that allows the injection of custom JavaScript scripts into the debuggee. These scripts define how project-specific data types are parsed and transformed into JSON formats compatible with the visualization