Open-source alternatives to Chap

gosec is a static analysis security tool designed to scan Go source code for vulnerabilities and common coding flaws. It functions as a security analyzer that inspects the abstract syntax tree to identify insecure function calls, API usage, and potential security risks. The tool distinguishes itself by mapping detected vulnerabilities to Common Weakness Enumeration identifiers for standardized reporting and integrating with external AI models to suggest code fixes for identified issues. Its capabilities cover the detection of injection vulnerabilities, hardcoded credentials, weak cryptograph

AllHackingTools is a security tool orchestrator and suite designed to install, update, and manage a wide array of third-party hacking and security utilities from a single command interface. It functions as a centralized hub for network analysis, open source intelligence, penetration testing, and social engineering tools. The project provides specialized frameworks for gathering open source intelligence and searching for user profiles across social platforms. It includes toolkits for network reconnaissance, vulnerability scanning, and the execution of security exploits, as well as a social eng

Pyre is a high-performance static type checker and analysis tool for Python. It identifies type errors and ensures type safety without executing the program, utilizing a static type inference engine to maintain consistency across functions. The project is distinguished by an incremental type analysis engine that operates as a background daemon. This system monitors filesystem changes to re-validate only modified parts of a project, reducing the time required for repeated analysis. It also includes a static analysis security tool that uses taint analysis to track untrusted data flows and ident

CodeQL is a semantic code analysis engine and vulnerability scanning tool that treats source code as data. It utilizes a static analysis query language to define complex patterns and security vulnerabilities within a code graph database. The system represents source code as a relational database, enabling the execution of structural queries and data flow analysis. This approach allows for the detection of security flaws and coding errors across large-scale repositories. The tool provides capabilities for automated code auditing, static analysis security testing, and custom vulnerability dete

AFL is a coverage-guided fuzzer and security vulnerability scanner used to identify software bugs and memory corruption by feeding programs mutated data. It functions as a binary instrumentation tool and a test case minimizer to locate crashes and isolate the smallest set of bytes causing a fault. The project distinguishes itself through its ability to operate as a parallel fuzzing orchestrator, distributing workloads across multiple CPU cores or networked machines. It utilizes dictionary-based mutation for complex file formats and performs input sensitivity analysis to identify critical sect

DeepAudit is a privacy-preserving code audit platform that combines multiple specialized AI agents to identify and verify security vulnerabilities in source code. It functions as a local LLM vulnerability scanner, an automated security report generator, and a sandboxed exploit verifier, all operating entirely within an internal network to keep sensitive code and data on premises. What distinguishes DeepAudit is its multi-agent cooperative approach: teams of AI agents jointly plan, analyze, and cross-check findings across the codebase, moving beyond single-pass scanning. The platform also sand

SonarQube is a static code analysis platform used to scan source code and infrastructure scripts across multiple languages. It detects bugs, security vulnerabilities, and maintainability issues to ensure software meets reliability and security standards. The platform implements automated quality gates for continuous integration and delivery pipelines, verifying code against defined rules during merge or pull requests. It also integrates directly with code editors to provide real-time analysis results and quick-fix guidance during development. The system covers broad functional areas includin

ipsw is a specialized toolkit for iOS firmware analysis, binary reverse engineering, and hardware interaction. It provides a suite of tools for downloading, extracting, and analyzing firmware images and kernel caches, alongside a MachO binary analysis tool for disassembling and patching executables. The project distinguishes itself through integrated language-model-powered code reconstruction to translate machine code into high-level source code. It also features an automation client for the App Store Connect API to manage certificates and application settings. The framework covers a broad r

CrackMapExec is a network penetration testing framework and automated security scanner designed to assess security postures across large IP ranges. It functions as a multi-protocol security scanner and network protocol auditor used to identify vulnerabilities and misconfigurations. The tool provides capabilities for Active Directory auditing to enumerate users and permissions, as well as post-exploitation enumeration to gather system metadata and discover lateral movement paths. It includes a framework for credential spraying and harvesting across various network services. The system utilize

The Mobile Application Security Testing Guide is a comprehensive manual and compliance framework for verifying the security of mobile applications. It provides a standardized reference for identifying and validating common software security weaknesses and performing reverse engineering based on industry standards. The project provides a structured set of technical processes and checklists used to audit applications against established security weakness enumerations. It encompasses guidance for analyzing application binaries and runtime behavior to identify hidden functionality and security ga

This project is a suite of automated tools and an LLM code review framework designed for design auditing, security scanning, and AI-driven code analysis. It functions as a developer workflow orchestrator that uses static analysis agents and agent-based workflows to automate pull request analysis and security audits. The system employs a dual-loop agent architecture to coordinate primary analysis and secondary verification, reducing false positives. It distinguishes itself through the use of browser automation to perform live UI component testing and verify frontend changes against accessibili

MBE is a security research educational resource providing binary exploitation courseware and a deployable CTF wargame environment. It functions as a structured curriculum of labs and materials designed for learning reverse engineering and memory corruption. The project provides containerized lab infrastructure and a binary analysis toolchain to ensure a controlled setting for vulnerability research. It utilizes isolated environments to deploy binary exploitation tasks, preventing interference and system instability. The system covers the provisioning of vulnerable environments through virtua

This project is a software engineering standards guide and technical quality manual. It provides a framework for engineering governance, focusing on maintaining code quality, peer review processes, and sustainable development across large-scale technical organizations. The documentation establishes a code review framework that covers preparing, performing, and assigning peer reviews to ensure codebase stability. It defines standardized engineering patterns and maintainability criteria to keep diverse project repositories uniform and readable. The guidelines encompass code quality assurance,

This project is a Language Server Protocol implementation for PostgreSQL that provides autocompletion, syntax diagnostics, and type checking for SQL and PL/pgSQL. It functions as a database schema validator and a static analysis engine designed to detect security vulnerabilities, performance bottlenecks, and dangerous migration patterns in database scripts. The server differentiates itself by using live database connections to provide schema-aware intelligence, allowing it to verify that tables, columns, and data types actually exist. It performs static analysis on procedural functions to det

my-git is a comprehensive framework and reference guide for Git version control administration, repository governance, and software release management. It provides a structured approach to managing the software development lifecycle, from initial feature branching to final production deployment. The project distinguishes itself through a specialized AI-assisted development framework. This includes workflows for managing AI-generated code via automated diff reviews, intent-based commit splitting, and governance models for multi-agent coordination and session isolation using worktrees. The cod

This project is a security tool installation framework and binary analysis toolkit designed to automate the deployment of research utilities. It provides a containerized security research environment and a system for managing Python and Ruby virtual environments to prevent dependency conflicts on the host machine. The framework distinguishes itself through a structured tool catalog and provisioning scripts that automate the installation of utilities into isolated directories. It utilizes executable symlink mapping to provide a unified command interface and supports the bootstrapping of consis

Tsunami Security Scanner is a network vulnerability scanner and security auditor designed to identify high-severity flaws across network assets. It functions as an asynchronous security probe engine that utilizes automated probes and specialized detection logic to find critical weaknesses and prioritize remediation efforts. The project is distinguished by a plugin-based scanning engine, which uses a modular architecture of interchangeable detection plugins to identify vulnerabilities. This extensibility allows for the development and integration of custom security plugins to expand the variet

Lint an npm or yarn lockfile to analyze and detect security issues

A malware/botnet analysis framework written in Ruby.

ApplicationInspector is a multi-language static analysis tool designed to detect specific features and characteristics within source code. It utilizes a declarative JSON rules engine to identify patterns and structural tags across project directories without requiring the analyzer to be recompiled. The system distinguishes itself through a code version differ that compares two different source paths to report changes in detected features. It also provides utilities for creating and validating custom JSON-based rules, including a validation pipeline to verify syntax and identifier uniqueness.

Bloaty is a binary size profiler and executable format analyzer that attributes every byte of a binary to specific symbols or compile units. It functions as a compilation unit profiler and C++ symbol demangler, mapping binary size back to source files and translating mangled names into human-readable formats. The project distinguishes itself as a binary diffing tool capable of comparing two versions of a binary to isolate specific symbols or sections responsible for size regressions. It provides specialized support for recovering symbols in stripped binaries by associating them with external

DevSkim is a set of IDE plugins, language analyzers, and rules that provide security "linting" capabilities.

Open source local-first PR scanner that finds dead code, security bugs, secrets, quality regressions, and AI-code mistakes before merge. For first timers refer to https://duriantaco.github.io/skylos/repo-map/

Mythril is an Ethereum Virtual Machine smart contract security analyzer that uses symbolic execution to identify vulnerabilities in bytecode before deployment. It functions as a vulnerability scanner and formal auditor, treating program inputs as mathematical symbols to prove the presence of bugs in contract logic. The tool performs bytecode-level analysis to detect flaws that may be hidden by high-level compilers. It integrates SMT solvers to determine if specific vulnerability states are reachable and compares symbolic execution traces against a library of known security flaw signatures. T

Scorecard is an open source security scanner and software supply chain analysis tool that evaluates the security posture of projects by calculating risk metrics based on best practices. It functions as a security health dashboard, visualizing security gaps through scores and badges to help maintainers identify vulnerabilities. The project provides a system for monitoring repository security through a GitHub Action security auditor that alerts maintainers when security scores drop. It also offers a mechanism for vulnerability remediation guidance, mapping identified security gaps to prescripti