Open-source alternatives to Unity Programming Patterns

This repository is a collection of reference implementations and sample projects demonstrating data-oriented design using the Unity Entities package. It provides a suite of examples for implementing an entity component system that separates game data into components and logic into systems. The collection includes specialized demonstrations for rendering large volumes of entities via graphics pipelines, implementing high-performance collision and rigid body dynamics through data-oriented physics, and managing multiplayer state synchronization using the network framework for entities. It also p

This project is a comprehensive educational resource designed to help developers master object-oriented design and architectural patterns. It serves as a structured reference for understanding how to organize classes and objects to improve code maintainability, resolve recurring development challenges, and prepare for technical engineering assessments. The guide covers the three primary categories of design patterns: creational, structural, and behavioral. Each pattern is explained through practical examples that demonstrate how to manage object instantiation, simplify complex interfaces, and

This project is a reactivity plugin that brings the Composition API and reactive state management from Vue 3 to Vue 2 applications. It serves as a component logic organizer and a system for encapsulating reactive state and functions into reusable utilities. The plugin enables the use of composable functions to share stateful logic across components without relying on mixins. It provides a structure based on plain variables and functions to facilitate automatic type inference and editor autocomplete. Additionally, it includes a provider-based dependency injection system for sharing data and fu

Veloren is an open-source multiplayer RPG featuring a voxel-based action adventure in a procedurally generated fantasy world. It is built upon a voxel game engine that supports 3D rendering via Vulkan and Metal, utilizing a procedural world generator to create geography and ecosystems based on erosion algorithms and temperature maps. The project is distinguished by a sandboxed plugin system using WebAssembly, which allows for the addition of new game logic and equipment without recompiling the core engine. It also features a dedicated game server architecture designed to synchronize state, ma

This project is a cross-platform game engine and development toolkit designed for creating high-performance 2D and 3D games. It serves as a 3D graphics rendering engine and a web-based game framework that allows applications to be deployed across mobile, desktop, and web environments from a single codebase. The engine features a configurable render pipeline that supports both forward and deferred rendering paths. It utilizes a cross-platform graphics abstraction layer and universal shader translation to ensure consistent visual output across different hardware and platforms. The toolkit incl

This project is an open-source 3D game engine designed for building high-fidelity games, simulations, and cinematic environments. It functions as a robotics simulation platform with native integration for ROS 2 to model robot controllers and sensors. The engine features a multi-threaded Forward+ physically based renderer that supports hardware-accelerated ray tracing and global illumination. The system is built on a modular extension architecture using Gems to add or replace features without modifying core binaries. It includes a native SDK for AWS cloud integration, enabling IAM authenticati

A catalogue of Rust design patterns, anti-patterns and idioms

jscamp is a full-stack web development and education project focused on mastering JavaScript, TypeScript, and AI integration. It provides a structured curriculum and interactive exercises covering language fundamentals, frontend engineering, and backend API development. The project distinguishes itself through the implementation of autonomous AI agents capable of complex task automation, such as modifying files, managing servers, and executing API calls. It includes advanced AI development tools for conversational querying, real-time code suggestions, and automated repository analysis to gene

This project is a Python clean code guide and refactoring resource. It provides a collection of software craftsmanship principles and examples designed to improve the readability and maintainability of Python source code. The resource focuses on optimizing variable naming to remove mental mapping and breaking functions into single-purpose units. It provides guidelines for reducing code duplication and organizing logic to ensure components remain easy to extend and maintain. The content covers software architecture and design quality, including the implementation of SOLID principles and indus

Oasis Engine is a web-based game engine and component-based game framework designed for creating real-time interactive 2D and 3D applications for web and mobile platforms. It functions as a real-time 3D renderer and a physics simulation engine capable of producing interactive visual environments. The framework includes a visual scene editor that allows artists and developers to build, layout, and export project scenes through a graphical interface. This system supports visual scene composition and converts these layouts into structured data for runtime reconstruction. The engine's capabiliti

This project is a reference collection of practical examples demonstrating the implementation of common software design patterns in Kotlin. It serves as a guide to architectural best practices and object-oriented principles through the application of behavioral, creational, and structural patterns. The collection provides concrete implementations to demonstrate how to decouple object instantiation, manage communication and responsibility between objects, and organize complex class and object relationships. The reference covers creational patterns such as factories and builders, structural pa

QCAD is a professional two-dimensional computer-aided drafting application designed for creating technical drawings, engineering schematics, and architectural plans. It provides a comprehensive suite of geometric construction and modification tools that allow users to draft precise layouts while managing complex project structures through layers, blocks, and part libraries. The software distinguishes itself through an integrated scripting framework that enables users to automate repetitive design tasks and develop custom tools to extend core functionality. It also functions as a manufacturing

Detekt is a static analysis tool, code quality linter, and complexity analyzer for Kotlin source code. It functions as a code smell detector and static scanner designed to identify potential bugs, design flaws, and violations of coding standards without executing the program. The tool differentiates itself through the use of issue baselining, which allows users to create a snapshot of existing legacy code issues to filter out old violations and focus on preventing new regressions. It further supports extensibility via a plugin-based system that allows for the integration of custom rule sets a

Entitas is a data-oriented Entity Component System framework for Unity. It is designed to separate game state into components and logic into systems, utilizing a data-oriented design to optimize CPU cache usage, memory usage, and processing speed. The framework includes a C# source code generator that automatically produces boilerplate classes, entity accessors, and context singletons to reduce manual coding. It also provides a Unity editor debugging tool for real-time runtime state visualization, system performance monitoring, and visual entity inspection. The system manages entity lifecycl

Larastan is a static analysis extension and type inference engine for PHP designed to detect bugs and type errors in Laravel applications. It extends PHPStan to resolve framework-specific patterns and magic methods, providing a rule-based scanning engine to audit code quality without executing the application. The tool specializes in Eloquent analysis, verifying that model properties, casts, and relationships align with database schemas and migrations. It tracks types across Eloquent collections, custom builders, and model factories to ensure type safety during database operations and iterati

This project is a static analysis linter, code quality tool, and language auditor for Rust. It functions as an automated refactoring system designed to identify common mistakes and suggest idiomatic improvements for Rust source code. The tool identifies non-idiomatic patterns, performance bottlenecks, and code smells to improve the overall correctness and quality of the code. It specifically audits memory safety by flagging suspicious use of unsafe blocks and pointer manipulations and detects inefficient operations to optimize execution speed. The analysis surface covers coding style enforce

Tiptap is a headless, modular framework designed for building custom rich-text editors. It provides a developer-focused abstraction layer over a structured document model, allowing for full control over the underlying schema through a plugin-based architecture. By separating document state management from the user interface, it enables the creation of tailored editing experiences that remain framework-agnostic. The project distinguishes itself through a robust collaborative engine that supports real-time multi-user editing, conflict resolution, and presence tracking. It integrates artificial

This project is a comprehensive, community-curated knowledge base designed to support software engineers in mastering both fundamental computer science principles and practical industry methodologies. It serves as a centralized reference library that aggregates technical resources, academic literature, and professional guidance to facilitate systematic skill acquisition across the entire software development lifecycle. What distinguishes this repository is its holistic approach to the engineering profession, which bridges the gap between theoretical knowledge and career-oriented development.

This project provides a structured template for building enterprise applications using a modular monolith architecture. It demonstrates how to organize complex business logic into independent, domain-specific modules that remain contained within a single deployment unit. The architecture enforces strict boundaries between components to minimize coupling and complexity. It utilizes domain-driven design principles to map software components directly to real-world business concepts, ensuring that logic remains independent of infrastructure concerns. Communication between these isolated modules i

This project is a comprehensive, curated directory of static analysis, linting, and security scanning utilities. It serves as a central resource for developers to discover, compare, and select tools based on specific programming languages, licensing models, and integration requirements. The directory distinguishes itself by providing deep metadata for each listed utility, including community-driven popularity rankings, maintenance status, and deployment methods. By aggregating these tools into a single searchable index, it enables teams to identify solutions for enforcing coding standards, ma

Plato is a JavaScript static analysis tool and code complexity visualizer. It computes complexity metrics and runs linting checks on JavaScript source code to evaluate codebase quality, presenting the results through a static analysis dashboard. The system aggregates linting data and technical metrics into timestamped reports. It specifically calculates cyclomatic and Halstead metrics to identify overly complicated files and assess the maintainability of a project. The tool provides capabilities for source code visualization, automated quality reporting, and maintainability assessment. It in

This project is a distributed unique ID generator designed to produce 64-bit globally unique and sortable identifiers across multiple nodes. It implements a Snowflake-compatible algorithm that prevents collisions by combining timestamps, worker identifiers, and sequence numbers into a single integer. The system includes a worker ID orchestrator to allocate and maintain unique machine identities during instance startup and migration using database-backed strategies. To increase request throughput and reduce latency, it utilizes a ring-buffer caching layer that pre-generates identifiers and emp

jMonkeyEngine is a Java-based 3D game engine and cross-platform graphics framework. It provides the core tools necessary for developing three-dimensional games and interactive simulations, focusing on real-time rendering and the management of spatial environments. The engine includes a dedicated 3D physics simulation toolkit for handling rigid body dynamics and collision detection. It also features a game asset pipeline for importing and managing 3D models, textures, and audio files during runtime. The framework covers broad capability areas including 3D scene rendering, physics-based simula

Checkstyle is a Java static analysis tool and linter designed to identify and enforce coding standards and best practices. It functions as a code quality auditor and Javadoc validation tool, checking source code against configurable rulesets to ensure structural and stylistic consistency. The project allows for the creation of custom linting rules by extending a core API to inspect the abstract syntax tree. It further enables specialized validation through the use of XPath expressions to query the syntax tree for specific code patterns and violations. Capability areas include the enforcement

Editable is a modular framework for building custom web-based rich text editors. It provides a structured environment for managing complex document content, including support for structured data like lists and grids, while maintaining an immutable tree representation to ensure predictable state manipulation. The framework distinguishes itself through a collaborative engine that synchronizes document state across multiple users in real-time using operational transformation. It also features a plugin-based architecture that allows developers to intercept rendering and node behavior, enabling th

eShopOnWeb is a reference application for ASP.NET Core that demonstrates a sample e-commerce site. It serves as a template for building scalable services using domain-driven design to separate business logic from infrastructure and data access. The project implements a decoupled messaging pattern through a request pipeline to separate web controllers from application logic. It utilizes a repository pattern to abstract data persistence and isolate the core application logic from the specific database storage mechanism. The application covers a broad surface of web capabilities, including user

This project is an AI-powered code reviewer and static analysis server that identifies low-quality files and generates automated critiques. It functions as an automated quality scoring tool that evaluates source code structure and complexity through local parsing. The system utilizes a standardized context protocol to stream analysis results to AI agents and editors. It integrates large language models to produce automated reviews and suggestions for improvement based on quantitative quality metrics. The tool includes a weight-based scoring engine and an asynchronous analysis pipeline for pr