Open-source alternatives to Microsoft Wil

This project is a comprehensive educational resource and programming course covering C++ language semantics and features from C++03 through C++26. It provides structured tutorials and technical guides focused on modern C++ development. The material offers specialized instruction on template metaprogramming, including the use of type traits and compile-time computations. It features detailed guides on concurrency and parallelism for multi-core execution, as well as a reference for software design applying SOLID principles and RAII. Additionally, it covers build performance optimization to redu

OffensiveRust is a red team toolkit and malware development kit written in Rust. It serves as an evasion framework and post-exploitation library, providing a collection of offensive security primitives and a Windows API wrapper for interacting with low-level system functions and undocumented APIs. The project focuses on bypassing security software through direct system calls, memory obfuscation, and stealthy payload execution. It implements techniques to defeat static binary analysis via compile-time string encryption and payload obfuscation, while avoiding detection using parent process ID s

The Windows Community Toolkit is a development toolkit and WinUI component library for building applications on Windows 10 and 11. It functions as a Windows API wrapper and a collection of reusable UI components and utility functions designed to simplify common programming tasks. The project focuses on reducing boilerplate code in C# Windows development by providing a set of utility functions and standardized services. It enables the implementation of standard user interface patterns through custom controls and layout helpers. The library covers a broad range of capabilities, including Windo

Vulkan-Hpp is a header-only C++ binding library for the Vulkan graphics and compute API. It provides a type-safe wrapper around the Vulkan C API, allowing developers to interface with GPU hardware through a C++ interface that introduces no runtime CPU overhead. The library utilizes Resource Acquisition Is Initialization patterns to manage the lifecycle of Vulkan handles and objects, automating the release of GPU resources. It replaces C-style enumerations and bit-fields with strong typing and static type checking to catch invalid API parameter assignments during compilation. The project cove

Walk is a comprehensive framework for building native Windows desktop applications. It functions as a GUI library and Windows API wrapper, providing a toolkit of native widgets and a declarative layout system for developing high-performance user interfaces. The project is distinguished by its data-binding framework, which uses reflection and string-based property paths to synchronize data sources with interface widgets. It also provides specialized support for high-DPI interface scaling and an optimized native message loop to reduce runtime overhead. The toolkit covers a wide range of capabi

This project is a comprehensive collection of reference materials, including a language cheatsheet, a standard library reference, and a concurrency reference. It serves as a guide to modern C++ development, focusing on language syntax, standard library utilities, and template metaprogramming patterns. The repository provides specific guidance on template metaprogramming through a dedicated guide covering compile-time evaluation, type deduction, and variadic template execution. The materials cover a broad range of capabilities, including asynchronous programming, memory management, and system

ZIO is a functional effect system for the JVM that models asynchronous and concurrent programs as pure, composable values with typed error handling and dependency injection. Its core identity is built on fiber-based concurrency, where lightweight, non-blocking fibers execute millions of concurrent tasks with structured lifecycle management, and a dual-channel error model that separates expected business failures from unexpected system defects at compile time. The system provides effect-typed dependency injection through a layer-based dependency graph, pull-based reactive stream processing with

The Symfony Debug component is a PHP debugging toolkit that converts PHP warnings and notices into exceptions for consistent runtime error handling. It provides a unified error management system by registering a global error handler that intercepts all PHP errors and forwards them to an exception-based pipeline. The component catches uncaught PHP exceptions and displays detailed stack traces enriched with file, line, and call chain context for developer visibility. It maps PHP error severity levels to corresponding exception types, enabling granular control over how different error conditions

The CppCoreGuidelines is a comprehensive software engineering standard that provides a curated framework of coding conventions and design principles for C++. It serves as an authoritative guide for writing safe, efficient, and maintainable code by establishing high-level architectural patterns and organizational principles for large-scale projects. The guidelines emphasize the use of a strong, static type system to ensure memory safety and enforce consistent resource management patterns. The project distinguishes itself by promoting the zero-overhead abstraction principle, ensuring that high-

OffensiveNim is a red teaming framework and post-exploitation toolkit developed in Nim. It provides a collection of low-level primitives and a Windows API wrapper designed for offensive security operations, including malware development and shellcode loading. The project focuses on evasion and obfuscation through techniques such as API unhooking, direct system calls, and anti-debugging mechanisms. It features diverse payload delivery methods, including reflective binary loading, the execution of .NET assemblies via CLR hosting, and various shellcode injection techniques using fibers, COM obje

cpr is a C++ networking library that provides a high-level HTTP request client. It functions as a wrapper around libcurl to simplify the process of sending and receiving data from web servers, specifically managing GET and POST calls and multipart form uploads. The library provides both synchronous and asynchronous execution models, allowing network requests to run on background threads to prevent application freezing. It integrates with the C++ Standard Library to map low-level pointers to standard strings and containers, utilizing RAII for automatic resource management. The project covers

This is a Model Context Protocol server that exposes Windows desktop automation and system administration functions to large language models. It provides programmatic control of mouse, keyboard, windows, and UI elements on Windows through simulated user input, while also enabling LLMs to manage the Windows registry, processes, files, and execute PowerShell commands through a remote interface. The server supports multiple transport protocols including stdio, SSE, and streamable HTTP, allowing flexible integration with different language model clients. It implements OAuth 2.0 with PKCE for secu

Swift is a general purpose, compiled systems programming language designed for building high-performance software. It is a strongly typed language that focuses on memory safety and type safety to prevent runtime errors. The language is designed for native code integration, allowing it to interoperate with C and Objective-C libraries to leverage existing system functions and high-performance APIs. The project covers broad capabilities in type-safe application development and cross-platform toolchain engineering. It includes infrastructure for automated language validation, compiler performanc

Octokit.rb is a Ruby client library and REST API wrapper used to programmatically interact with GitHub. It provides a structured interface for automating workflows, managing repositories, and transforming raw HTTP responses into Ruby objects. The library differentiates itself through hypermedia-driven navigation, which uses URI templates and link relations to discover resources dynamically. It also implements automated result pagination to combine paginated responses into single arrays and uses fingerprint-based caching to reduce redundant network requests. The tool covers a broad range of c

Swift System is a low-level library that provides safe, idiomatic abstractions for operating system calls and file path manipulation. It serves as a programming interface wrapping native operating system calls and platform types for reliable desktop and mobile integration. The library enforces strict separation of incompatible string types at compile time by wrapping raw values in domain-specific structures, preventing the mixing of system paths with arbitrary text. It translates raw numeric operating system error codes into strongly typed enumeration cases and manages system handles and file

This project is a Swift standard library extension and cross-platform system library. It provides a collection of core utility types and fundamental data structures that extend the base Swift language, acting as an OS-independent interface layer for handling system operations such as networking and file systems. The project features a specialized C++ interoperability layer that maps C++ types and functions into compatible Swift interfaces for cross-language communication. This includes a bridging mechanism to handle standard library types and foreign containers, allowing C++ types to be mappe

pybind11 is a header-only C++ binding library that exposes C++ functions and classes as Python modules. It serves as a language bridge, mapping native types, inheritance hierarchies, and lambda functions into compatible Python objects to enable high-performance native code execution. The library includes specialized integration for NumPy arrays, utilizing buffer protocols to bind native C++ data without copying memory. It provides a toolkit for mapping C++ standard library data structures and smart pointers into the Python environment while maintaining cross-language memory management. The p

CppGuide is a curated collection of educational resources and practical guides focused on C++ server development, Linux kernel internals, concurrent programming, network protocols, and security exploitation. It provides structured learning paths for backend developers, covering everything from interview preparation to building high-performance network servers and understanding operating system fundamentals. The guide distinguishes itself by offering in-depth, hands-on tutorials that walk through real-world implementations, including building a Redis-like server from scratch, designing custom

Sui is an Android root management framework and superuser manager designed to control root permissions and provide applications with elevated access to restricted system APIs and internal services. It functions as a communication bridge that allows non-root applications to execute system functions via a privileged root process. The framework utilizes a typed interface root bridge to map system functions to strongly typed interfaces, removing the need to parse raw text from shell commands. It incorporates a root shell environment for executing manual system commands and administrative scripts

c3c is the compiler for the C3 programming language, transforming source code into executable binaries, static libraries, or dynamic libraries using an LLVM backend. It implements a system based on result-based error handling, scoped memory pooling, and a semantic macro system. The compiler provides first-class support for hardware-backed SIMD vectors that map directly to processor instructions and enables runtime polymorphism through interface-based dynamic dispatch. The project covers a broad set of low-level capabilities, including manual and pooled memory management, inline assembly inte

Velociraptor is a digital forensics and incident response platform, endpoint detection and response system, and visibility tool. It provides a query engine and remote forensic collector used to hunt for indicators of compromise and perform triage across a fleet of hosts. The system is distinguished by its specialized query language for interrogating host state and parsing binary files. It features a notebook environment that combines markdown documentation with executable query cells to standardize investigative workflows and enable collaborative reporting. The platform covers a wide range o

MemProcFS is a volatile memory analysis tool and cross-platform memory acquisition system. It functions as a memory forensic virtual file system, mapping physical memory and kernel objects into a virtual directory structure that allows users to analyze system artifacts using standard file system tools. The project distinguishes itself by providing a virtual file system for memory forensics, enabling the browsing and querying of physical memory as read-only files and folders. It also incorporates a Yara-based memory scanner to identify malware signatures and injected code within physical memor

GSL is a Guidelines Support Library for C++ that provides a set of types and functions designed to implement the C++ Core Guidelines. It functions as a framework for improving code safety and portability across different platforms. The library provides a contract-based programming model to verify program invariants through precondition and postcondition assertions. It includes specialized wrappers for null-pointer safety and bounds-checked memory views to prevent buffer overflows and invalid memory access. The project also covers safe integer conversion to prevent data truncation and provide

Maskphish is a comprehensive security toolkit that integrates capabilities for digital forensics, network vulnerability scanning, open-source intelligence, penetration testing, and social engineering. It functions as a multi-purpose framework for automating reconnaissance and executing security audits across diverse network environments. The project features a specialized phishing and social engineering toolkit used for cloning websites, masking URLs, and deploying deceptive pages to capture user credentials. It also includes a remote access Trojan builder for generating platform-specific exe

A suite of administrative tools for analyzing BGP paths, calculating IP ranges, and managing protocol and DNS references. It functions as a network administration toolkit providing web-based utilities for calculating subnets, resolving IP addresses, and diagnosing routing issues. The project provides specialized analysis for Autonomous System numbers and BGP path attributes, alongside tools for detecting and bypassing carrier-grade NAT restrictions. It also includes a reverse DNS tool for generating zone formats and performing PTR record lookups. Capabilities cover network planning and desig

Lean 4 is a functional programming language and interactive proof assistant used to formalize mathematics and verify software correctness. It functions as a dependent type theorem prover and a formal verification tool that allows users to construct mathematical proofs and ensure program correctness. Additionally, it serves as a logic-based source for generating verified datasets used to train and benchmark artificial intelligence reasoning systems. The system distinguishes itself through a small-kernel verification model, where all proofs are verified by a trusted core of basic logical rules.

XNU is a hybrid operating system kernel that combines a microkernel architecture with a monolithic layer for system services. It provides a foundation for operating system development, incorporating standardized system-call interfaces, a modular device driver framework, and mandatory access control security. The architecture features a Mach-based microkernel and a BSD-based monolithic layer. It utilizes a message-passing inter-process communication bus for secure data exchange between isolated kernel components and user-space processes, alongside an object-oriented driver framework that decou