Projects sharing features with Preserve Cd

noclip.website is a web-based interactive repository and viewer for archived 3D game geometry. It functions as a digital game level museum and archive, providing a browser-based interface to explore the visual and structural history of video game levels. The platform enables users to interact with extracted game scenes through a free-roaming camera and a temporal timeline. These tools allow for scrubbing through game events, freezing specific scene states, and analyzing the layout and design of archived environments. The system manages 3D scene visualization through WebGL rendering and stati

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

touchHLE is a high-level emulator designed to run legacy iPhone OS applications and games on modern desktop and mobile operating systems. It functions by simulating the original hardware environment and operating system API calls rather than emulating underlying CPU instructions. The project focuses on the preservation of early third-party mobile software through legacy archiving. It distinguishes itself by translating modern mouse, keyboard, and controller inputs into simulated touch gestures and accelerometer data, and by connecting multiple emulator instances over a local network to enable

This repository contains the original source code for a classic real-time strategy game, serving as a legacy game engine implementation for managing units, maps, and combat mechanics in a military strategy setting. It functions as a real-time strategy game source code archive intended for preservation and technical study. The codebase acts as a game modification base, allowing developers to create custom content and modifications using the original source. It provides a foundation for retro game modding and software archeology to analyze how historical game mechanics were programmed. The pro

Lowdb is a lightweight local data persistence library that manages application state as a JSON document. It functions as a database utility that stores information directly in local files or browser storage, removing the requirement for a dedicated database server or complex infrastructure. By treating stored data as standard objects and arrays, it provides a straightforward interface for managing application information. The library distinguishes itself through a modular adapter-based architecture that decouples data manipulation from the underlying storage medium. This design allows for the

Grav is a flat-file content management system that eliminates the need for a traditional database by storing site content and configuration in human-readable Markdown and YAML files. Built as a modular PHP web framework, it uses a hierarchical page routing system where the physical directory structure directly determines the site's URL paths. The platform is distinguished by its event-driven plugin architecture and a command-line interface that prioritizes system administration, deployment, and maintenance tasks. It utilizes a blueprint-driven system to generate administrative forms from stru

EmulatorJS is a WebAssembly emulation framework and RetroArch web frontend designed to run classic video game ROMs and BIOS files directly in a web browser. It serves as a web-based game emulator that executes hardware-accurate emulation cores to reproduce the behavior of various vintage home consoles and arcade systems. The project is distinguished by its ability to synchronize game states between multiple users in real time using WebRTC for browser-based multiplayer gaming. It also includes a dedicated HTML5 game embed tool that generates code snippets and isolated containers to integrate p

This project is a Nintendo Entertainment System emulator written in Go. It functions as a hardware simulation that executes game ROMs by mimicking the original console's circuitry, including the processor and picture processing unit. The emulator includes a game library browser that identifies local files and retrieves titles and thumbnails from online databases using file checksums. It also implements a system of memory management mappers to ensure compatibility across various game ROM formats and hardware configurations. The software covers high-level capabilities for game ROM execution an

KeePassX is a cross-platform password vault application and database manager that stores usernames and passwords in an encrypted file. It utilizes the KeePass database format to secure records using a master password or an optional key file. The application includes an automatic form filler that populates login fields in external applications and a secure password generator for creating high-entropy randomized passwords. The system provides tools for organizing credentials through custom metadata and grouping, alongside utilities for searching records and importing or exporting data.

This project is a public transparency log of copyright takedown and counter-notices. It functions as a redacted copyright registry, maintaining a chronological record of legal enforcement requests received by a hosting platform. The archive utilizes a flat-file data model, storing notices as plain-text files within a directory hierarchy. A distributed version control system provides a permanent audit trail and version history for all archived legal notices. The system focuses on digital rights monitoring and copyright enforcement transparency by removing personally identifiable information f

RetroPie-Setup is a specialized utility and installation tool designed to automate the orchestration of Linux-based retro gaming environments. It functions as a deployment system for configuring the dependencies and software required to run game libraries on single board computers, such as the Raspberry Pi and Odroid. The project provides a structured approach to deploying gaming emulators and managing RetroArch emulation cores. It includes a configuration tool for setting up graphical front ends that organize and launch emulated games across multiple systems. The tool handles system-level t

Onion is a custom handheld gaming operating system and retro gaming frontend designed to manage and launch emulators on portable hardware. It functions as a bootable custom firmware distribution and emulation environment manager that replaces factory software to provide an integrated gaming environment. The system distinguishes itself through a modular core-based emulation architecture, allowing for the installation of verified emulator packages, BIOS configuration, and the use of hardware-specific drivers and filters. It also supports the integration of third-party game ports via standardize

Lemuroid is an Android multi-system emulator and Libretro frontend designed to run games from multiple vintage gaming systems through a single interface. It functions as a retro gaming library manager that scans local storage for game files and organizes them into a searchable catalog. The application includes a cloud-synced save manager to preserve game progress across different devices via remote storage. It also features a virtual gamepad interface that allows for custom input mapping across physical controllers, tilt sensors, and on-screen touch overlays. Additional capabilities cover ga

This project is a curated database and repository of standardized infrared signal sequences designed for hardware remote emulation. It provides a comprehensive library of infrared codes used to operate a wide variety of consumer electronics, household appliances, and hardware devices. The collection organizes infrared commands by manufacturer and device category to facilitate the remote operation of audio-visual equipment, climate control systems, lighting, and photography hardware. It also includes specialized signals for gaming consoles, monitors, and videoconferencing equipment. The syste

NeDB is a JavaScript embedded NoSQL document store designed for Node.js and the browser. It functions as an in-memory data store with the option to persist documents to a local file system, ensuring data survives application restarts. The project utilizes a MongoDB-compatible API to perform data operations, allowing it to serve as a lightweight document indexing system and a persistent file database without requiring a separate database server. Capabilities include querying, inserting, updating, and deleting documents, as well as the ability to create indexes on specific fields to accelerate

TWiLightMenu is a retro gaming frontend and game launcher for Nintendo DS hardware. It serves as a custom firmware tool and a unified interface for launching native games, emulated ROMs, and homebrew applications, while also functioning as a cheat manager and handheld storage manager. The project features a custom theme engine that allows for the personalization of the visual interface through custom images, fonts, and coordinate sets, as well as the use of custom boot splash screens and system audio. It distinguishes itself through a modular extension system that supports third-party plugins

This project is a set of build tools and a Vite plugin for browser extension development. It functions as a build tool and hot module replacement framework that automates asset bundling by using the extension manifest as the primary source of truth. The tooling provides a zero-config workflow for cross-browser extensions, integrating real-time code updates into the development process. This allows specific components and scripts to be updated in the browser without requiring a full manual reload of the extension. The suite also includes an end-to-end testing framework and utility for browser

This project is a curated ebook directory and digital library designed for self-directed learning. It functions as a version-controlled knowledge base that provides a collection of downloadable academic textbooks and educational resources across multiple disciplines. The library is built as a markdown-based system where book metadata and download links are stored in flat files. These files are managed through a git-driven content pipeline and rendered as a static site resource index for fast access and simple hosting. The system utilizes a directory-based categorization model to organize mat

Quake III Arena is a first-person shooter game engine and arena combat simulator. It consists of the original C++ game source code for a cross-platform 3D game designed to run on Windows, Linux, and Mac. The project provides the source code necessary to render a first-person shooter experience, focusing on player-versus-player battles in closed 3D environments. It serves as a resource for legacy game preservation and the study of early 3D game engine construction. The engine incorporates spatial partitioning, client-side prediction, and state synchronization to manage multiplayer networking

match-sorter is a JavaScript string matching and array filtering utility designed to rank and sort lists based on search string relevance. It functions as a deterministic best-match sorting library and fuzzy search engine for filtering object arrays. The tool prioritizes results using weighted match heuristics that favor exact matches, acronyms, and string containment. It employs a deterministic ranking system to ensure consistent ordering and supports diacritic-insensitive normalization to match characters regardless of accents. The library covers match criteria specification via key-path p

This project is a comprehensive, community-curated compendium of the fundamental principles, heuristics, and adages that define professional software engineering. It serves as a structured reference for developers and managers, documenting the empirical observations and mathematical formulas that shape system architecture, team dynamics, and technical decision-making. The repository distinguishes itself through a decentralized, open-contribution model that relies on distributed version control to maintain its knowledge base. By utilizing a flat-file data structure and markdown-based content c

This project is a community-curated directory of open-source software designed for deployment in private server environments and home labs. It serves as a comprehensive resource for discovering independent, self-hosted alternatives to mainstream cloud services, enabling users to maintain full data ownership and control over their digital infrastructure. The directory is structured through a hierarchical taxonomy that organizes a vast collection of applications into logical categories, ranging from media management and data analytics to private communication and team productivity tools. It dis

This project is a static archive of documented corporate controversies and alleged unethical actions that have been removed from local internet search results. It functions as a research platform compiling evidence of corporate misconduct for public awareness and accountability purposes, specifically focused on incidents that have been censored from search results. The archive stores each documented incident as a plain Markdown file, enabling easy editing and full version control through Git. All incident pages are pre-rendered as flat HTML files at build time for fast delivery, with a respon

This is the original C source code for the Quake game engine, a landmark first-person shooter engine from the 1990s. It is a retro game engine that renders 3D environments and processes player input in real time using CPU-based software rendering rather than GPU acceleration. The engine supports networked multiplayer gameplay over LAN or internet connections and is designed to be moddable, allowing users to create and run custom game modifications and levels. The engine's architecture includes a Binary Space Partition tree for efficient world geometry organization and visibility determination

Play- is a multi-system game emulator and virtual hardware emulator that simulates various console and arcade hardware to run original game files on modern devices. It functions as a retro game frontend, providing a graphical interface for organizing, launching, and managing libraries of legacy console and arcade titles. The project includes a hardware input mapper that translates modern controllers and mouse movements to simulate specialized legacy input devices, such as light guns and steering wheels. It also features a game state manager capable of capturing and restoring the exact memory

This project is a macOS binary package manager and command line interface used to automate the installation and removal of prebuilt graphical applications. It functions as a software installer and orchestrator, providing a terminal-based workflow for managing the lifecycle of third-party binaries. The tool focuses on macOS application installation and system administration, allowing for the setup and deployment of software via scripts to avoid manual downloads. It covers the management of binary software and the automation of graphical application setups on macOS.

This project is a Ruby-based package definition repository that functions as a cross-platform package manager and software dependency resolver for macOS and Linux. It provides a centralized system for installing, updating, and managing software through a Git-based distribution model. The system distinguishes itself through a binary package distribution network that produces pre-compiled bottles to avoid local compilation from source. It utilizes a Ruby-based domain specific language to define installation recipes and employs a distributed version control architecture to synchronize these defi