Open-source alternatives to Binsider

Retdec is an LLVM-based machine code decompiler and static binary analysis tool designed for binary reverse engineering. It translates binary executable code into high-level representations to facilitate the reconstruction of program logic from compiled machine code. The system utilizes a retargetable frontend architecture and a multi-stage lifting pipeline to convert raw bytes into a common intermediate language. It differentiates custom program logic from known library code through signature-based identification and provides utilities for binary symbol demangling to restore human-readable n

Android Classyshark is a binary analysis toolset designed to extract structural data from Android executable files. It functions as a bytecode viewer and binary XML parser to analyze compiled Java and Android binaries. The project converts binary XML files into readable formats for the inspection of application manifests, layouts, and resource files. It also provides the ability to analyze class interfaces, members, and dependency counts without requiring access to the original source code. The toolset supports static analysis and the export of binary information into plain text formats for

dnSpy is a desktop application designed for the analysis, debugging, and modification of compiled .NET assemblies. It functions as an assembly analysis suite and decompiler, translating binary instruction streams back into readable source code to facilitate reverse engineering when original source files are unavailable. The tool distinguishes itself through an integrated binary patching engine and metadata editor, which allow for the direct modification of executable logic and internal metadata tables. It supports in-process debugging instrumentation, enabling users to inject runtime hooks, s

Hexyl is a colored hex dump utility and binary data viewer for the terminal. It allows for the inspection of binary files by rendering contents as a colored hex dump to distinguish between different byte categories, such as printable text, whitespace, and null bytes. The tool includes a C-style hex exporter that transforms binary data into C include files for direct integration into source code. It supports visual layout customization through configurable panels and borders, as well as the ability to define colors for byte categories and offsets using terminal colors or RGB hex codes via envi

Flare-floss is a security utility and static binary string extractor designed to uncover hidden text and configuration data within compiled binaries. It functions as an obfuscated string decoder and reverse engineering tool to translate encoded strings into readable text for security auditing. The project employs emulated execution to capture the decrypted state of strings in memory by running small chunks of binary code in a virtual CPU. It further utilizes static analysis disassembly, intermediate representation analysis, and heuristic-based pattern matching to identify and decode strings t

XenonRecomp is a static binary translator and Xbox 360 game recompiler. It functions as a binary analysis tool and native code generator that converts machine instructions from Xbox 360 game executables into C++ source code for recompilation on different hardware platforms. The tool features specialized capabilities for translating compiled binaries, including the conversion of assembly jump tables into native switch cases and the detection of function boundaries using stack space data and branch link instructions. It optimizes translated code by converting non-volatile and non-argument regis

Angr is a binary analysis framework and static analysis tool used for reverse engineering compiled binaries. It serves as a binary decompiler and a lifting platform that translates machine code into a common intermediate representation to enable cross-architecture analysis. The framework integrates a symbolic execution engine and constraint solvers to determine the inputs required to reach specific program states. It also employs untrusted code sandboxing to isolate guest code from the host environment during analysis. Its capabilities cover control flow and data flow analysis, including the

LIEF is a framework for parsing, modifying, and analyzing executable binary formats and system shared caches across multiple platforms. It serves as a cross-platform library for the programmatic manipulation of ELF, PE, and MachO binary files. The project provides tools for altering the internal structure and sections of executable files to change program behavior. It also includes a dedicated parser for recovering individual dynamic libraries from combined system shared caches. The toolset covers binary executable analysis, machine code disassembly, and the extraction of debug metadata and

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

ProcMon-for-Linux is an eBPF-based system observability tool and process monitor for Linux. It functions as a system call tracer and activity logger, capturing real-time kernel and user-space events to analyze operating system behavior. The project features a text user interface for inspecting recorded trace files. It separates high-performance headless event recording from the analysis interface to prevent data loss during heavy system loads. The tool provides capabilities for system call tracing and activity monitoring, including the ability to filter events by process identifiers or speci

Qira is a binary analysis platform and execution tracer that records every instruction and data access during program execution for interactive playback and debugging. It functions as a runtime analysis environment that uses QEMU to trace execution and inspect memory and register states. The system provides a binary static analysis tool that maps program structure and annotates instructions based on captured runtime data. It includes a runtime memory analyzer to monitor reads and writes to specific addresses and an interactive debugger for navigating execution timelines. The platform covers

PINCE is a dynamic debugger, instruction tracer, and memory scanner designed for the analysis and manipulation of running processes. It functions as a process memory manipulator and editor, allowing for the identification, modification, and monitoring of values within a target application's active memory. The tool distinguishes itself through memory pointer analysis, tracing addresses and offsets to locate static pointers that lead to dynamic data across different sessions. It also enables the execution of internal functions within a running process by manipulating the instruction pointer and

Capstone is a multi-architecture disassembly framework and binary translation system. It converts binary machine code into human-readable assembly instructions for a wide variety of hardware instruction set architectures and virtual machines. The framework supports a diverse range of targets, including x86, ARM, RISC-V, and MIPS, as well as virtual machine environments like WebAssembly and the Ethereum Virtual Machine. It functions as an instruction analysis tool capable of extracting granular decomposition data and semantic information from disassembled code. The engine is designed for low-

This project is a comprehensive technical guide and course for reverse engineering iOS applications. It serves as a manual for dissecting mobile binaries using disassembly and debugging tools to analyze internal application logic and behavior. The material functions as a reference for ARM assembly and Objective-C theories, providing the necessary framework to translate low-level machine code into human-readable logic. It combines theoretical study with practical exercises to validate the use of reverse engineering tools on real-world binaries. The scope covers static binary analysis, dynamic

Inspektor Gadget is an eBPF observability toolset and program framework designed for tracing Linux systems and debugging Kubernetes nodes. It provides a suite of tools to collect kernel-level telemetry and export system metrics via the OpenTelemetry standard. The project distinguishes itself by packaging inspection tools as OCI-compliant container images, allowing for standardized distribution and deployment across clusters and hosts. It employs a modular data processing pipeline that utilizes WebAssembly modules to transform and filter telemetry, and leverages Compile Once Run Everywhere for

Pwntools is a Python-based framework designed for rapid prototyping and automation in binary exploitation, reverse engineering, and security research. It serves as a comprehensive toolkit for interacting with local and remote processes, providing the primitives necessary to manage complex exploit workflows and streamline security analysis tasks. The framework distinguishes itself through its specialized capabilities for binary manipulation and automated exploit construction. It includes dedicated utilities for parsing executable file formats, assembling and disassembling machine code, and gen

JPEX Software is a comprehensive reverse engineering suite for SWF binary files, serving as an ActionScript decompiler and editor. It provides a toolkit for decompiling, analyzing, and modifying the internal structure of compiled Flash content, including the extraction of scripts and media assets. The project is distinguished by its ability to perform direct binary modification, allowing users to edit bytecode and replace embedded resources without reverting to high-level source code. It includes a runtime ActionScript bytecode debugger for variable inspection and call stack analysis, as well

This project is an Android RPA framework designed for automating user interfaces and system tasks on rooted Android devices using Python and ADB. It provides a suite of tools for rooted device management, allowing for programmatic control of system settings, application lifecycles, and shell command execution via a remote API. The framework distinguishes itself through a combination of dynamic instrumentation and AI integration. It can inject scripts into running processes to hook Java interfaces and modifies application behavior in real time. Additionally, it supports large language model in

Ish is a Linux shell emulator for iOS that provides a local terminal environment for running shell commands and managing files. It functions as an instruction-level emulator that enables the execution of Linux binaries on mobile devices by simulating an Alpine Linux environment. The project distinguishes itself by combining user-mode Linux emulation with a virtual root filesystem. This allows the software to map Linux kernel system calls to host functions and execute scripts and toolsets directly on an iPhone or iPad. The emulator also provides low-level program debugging capabilities, inclu

This project is a comprehensive educational resource and curriculum focused on site reliability engineering, distributed systems, and infrastructure operations. It provides technical guides, a systems engineering course, and instructional manuals designed to teach the principles of managing large-scale computing environments. The curriculum covers high-level architectural design for scalability and resilience, including fault-tolerant infrastructure, high-availability patterns, and microservices decomposition. It emphasizes the practical application of site reliability engineering through the

RevokeMsgPatcher is a binary patching utility designed to modify the execution logic of desktop messaging applications. By applying low-level changes to compiled executable files and libraries, the tool enables functionality not natively supported by the original software, specifically focusing on message persistence and process management. The utility distinguishes itself through targeted binary instrumentation and control flow redirection. It identifies specific function patterns and memory offsets within proprietary software to inject custom assembly instructions. These modifications allow

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

Falco is an eBPF runtime security monitor and cloud native detection engine that identifies abnormal behavior and security threats across hosts and containers. It functions as a Linux kernel event auditor, capturing system calls and kernel events in real-time to detect malicious activity. The system distinguishes itself through a rule-based threat detection model that evaluates system activity against a library of community-maintained rules and custom security definitions. It enriches raw kernel events with container and Kubernetes metadata to provide observability into isolated environments

This project is a collection of technical documentation and guides designed as a computer architecture explainer. It provides educational resources on how processors and operating systems execute programs, focusing on the fetch-execute cycle and the fundamental relationship between hardware and the kernel. The documentation covers a wide range of low-level system operations, including detailed guides on the executable and linkable binary format, virtual memory management, and kernel-level operations. It specifically explores the mechanics of CPU scheduling, preemptive multitasking, and the us

HexFiend is a native macOS hex editor designed for opening and editing binary files of any size without loading them entirely into memory. It uses a 64-bit addressable data model with memory-mapped file access, enabling navigation of multi-gigabyte files while maintaining byte-level undo for insert and delete operations. The editor distinguishes itself through a diff algorithm for binary file comparison that accounts for insertions and deletions, and a template-based structure parsing system that uses user-defined scripts to visualize binary file layouts. It also includes a typed data interpr

Perfetto is a platform for system-level performance tracing and analysis on Linux and Android. It combines a high-throughput trace recorder, a SQL-based query engine, and a browser-based visualizer into a single toolchain. The platform covers CPU scheduling and call-stack profiling, native and Java heap memory allocation tracking, GPU and graphics events, and system-wide counters such as CPU frequency and power consumption. The architecture decouples trace recording from offline analysis, using a compact protobuf format for event encoding and columnar storage for efficient SQL queries. The we

This project is a specialized toolset for profiling kernel latency, analyzing tracepoint frequency, and monitoring system-wide performance data. It functions as a kernel performance profiler, tracepoint analyzer, and a collection of utilities for the Linux ftrace and perf_events subsystems. The toolkit provides high-level abstractions via shell-scripted wrappers to manage complex kernel tracing interfaces. It distinguishes itself through the use of bucket-based event histograms to visualize the distribution of kernel events and the ability to identify functions exceeding specific latency thre