Open-source alternatives to Cheatsheets

LaTeX Workshop is a comprehensive integrated development environment extension designed for authoring and typesetting complex documents. It functions as a complete workflow tool that automates the compilation process, manages multi-file project structures, and provides real-time feedback through bidirectional synchronization between source code and generated output. The project distinguishes itself by offering deep integration with the typesetting lifecycle, including containerized build environments and automated orchestration of external toolchains. It provides advanced visual feedback mech

Typst is a programmable, markup-based typesetting engine designed for professional document creation. It functions as a scriptable publishing toolchain that transforms plain text and code into complex, paginated outputs. By utilizing a high-performance compiler, the system automates document assembly, mathematical rendering, and dynamic content generation, providing a unified workflow for academic and technical authoring. The engine distinguishes itself through a declarative layout framework that uses cascading rules to manage document structure and visual styling. Unlike traditional systems,

This project is a web-based collaborative editor and scientific document management system designed for LaTeX. It provides a centralized environment for writing, editing, and compiling academic manuscripts, enabling multiple users to work on the same project simultaneously through real-time synchronization. The platform distinguishes itself by treating documents as version-controlled repositories, allowing for granular history tracking and bidirectional synchronization with external version control systems. It features a secure, containerized compilation pipeline that isolates build processes

Tectonic is a self-contained TeX typesetting engine and automated distribution system that processes LaTeX source files into formatted documents. It functions as a single-binary executable that removes the requirement for a pre-installed local toolchain. The system implements a zero-configuration workflow by automatically fetching required TeX packages and dependencies from remote repositories on demand during the compilation process. It also provides native support for Unicode and OpenType fonts to render modern typography. The engine can be used as a programmatic library to embed typesetti

Mindmap is a cybersecurity knowledge base and reference library that organizes security tools, frameworks, and methodologies into a visual knowledge map. It functions as a curated directory of cheat sheets and command guides for offensive and defensive security operations, presented as a hierarchical interface with collapsible nodes. The project converts structured markdown files into navigable visual trees to facilitate the study of penetration testing workflows and DevOps learning roadmaps. It also serves as a security compliance framework, providing structured mappings of NIST and ISO 2700

This project consists of the LaTeX source files and build configurations used to generate PDF versions of a textbook. It provides a multilingual document build system to produce consistent PDF editions of the same text across different languages. The repository includes a LaTeX document formatter with linting and formatting tools to standardize indentation and style. It also contains a technical text errata tracker to maintain a structured record of typos and factual corrections. The project covers LaTeX document publishing, multilingual book production, and technical document versioning. Th

FriendsDontLetFriends is a scientific data visualization guide and framework designed to help users create accurate plots while avoiding common data representation mistakes. It provides a collection of scripts and guidelines for selecting distribution plots, color scales, and layouts that accurately represent complex experimental data. The project distinguishes itself through specialized toolkits for revealing hidden patterns in large datasets. It includes systems for heatmap optimization via dimension reordering and outlier management, as well as spatial layout algorithms to improve the inte

This repository is the source for a curated collection of printable reference sheets for R and Python packages. It provides quick-reference guides organized by topic, available as both PDF files for offline printing and interactive HTML versions for online browsing. The collection also includes community-contributed translations of these reference sheets into multiple languages, expanding accessibility for non-English speakers. The project is built around a reproducible rendering pipeline that generates both PDF and HTML formats from source documents, using a lockfile to guarantee identical b

This project is a professional typesetting layout for creating curriculum vitae and resumes using the LaTeX document preparation system. It provides a structured template system to generate customizable PDF resumes and academic CVs. The system includes built-in support for multilingual typesetting, specifically enabling the rendering of both English and Simplified Chinese text through unicode font mapping. It also features automated bibliographic citation management to handle academic references and publications. The layout incorporates visual components such as skill proficiency progress ba

Tinymist is a comprehensive suite of tools for Typst document authoring, serving as a language server, document compiler, and project manager. It provides a standardized language service via the Language Server Protocol to enable editor features such as autocompletion, navigation, and semantic highlighting. The project distinguishes itself by integrating a TCP-based live preview server for real-time visual rendering and an advanced static analysis tool that utilizes abstract syntax trees and bidirectional type checking. It also includes a project management system capable of handling multi-fi

This project is a git-based documentation site and markdown knowledge base designed as a searchable archive of technical cheat sheets and guides. It functions as a repository for short technical tips and code examples to facilitate team knowledge sharing and developer onboarding. The system employs a version control workflow to manage the submission, review, and publishing of technical learnings. It includes utilities for commit management and history consolidation, as well as the ability to retrieve specific files across different branches. Security is handled through the use of system-leve

vite-plus is a unified web development toolchain and command line interface designed to manage Vite builds, JavaScript runtimes, and package managers from a single entry point. It functions as a JavaScript runtime manager for installing and pinning language versions, a monorepo task orchestrator for dependency-aware script execution, and a project scaffolding engine for bootstrapping applications and libraries. The project distinguishes itself by consolidating a full development lifecycle into one tool, featuring a unified static analysis engine that performs type-checking, linting, and forma

Sage is a WordPress starter theme that provides a foundation for building sites using professional software engineering patterns and modern development workflows. It functions as a theme architecture designed for native compatibility with the visual block-based editor. The project integrates the Laravel Blade templating engine to separate business logic from presentation using reusable components. It incorporates the Tailwind CSS framework for building responsive user interfaces via a utility-first approach and includes a modern frontend build tool to provide asset compilation and hot-reloadi

ReLaXed is a document workflow and compilation system that transforms Markdown, JSON data, and HTML/CSS into print-ready PDF files. It utilizes a headless browser engine to render web technologies into final documents, serving as a build system for technical documentation and dynamic reports. The project features a pipeline that automates asset generation, allowing scripts to produce images, charts, and tables from raw data files during the build process. It supports the integration of LaTeX formulas for mathematical equations and converts CSV files into formatted HTML tables. The system inc

This project is a centralized knowledge base and documentation platform designed to organize programming syntax, configuration options, and technical reference guides. It functions as a static site generator that converts markdown files into interlinked HTML pages, providing a structured environment for managing and retrieving technical information. The platform distinguishes itself by utilizing client-side search indexing and a component-driven interface, which allows for instant information retrieval without the need for a backend server. By relying on static asset hosting, the system ensur

Connect-assets is a Node.js asset pipeline and frontend build tool designed to manage the compilation, minification, and serving of scripts and stylesheets. It functions as a static asset bundler that resolves dependency graphs to concatenate source files into optimized bundles, reducing the number of network requests required for page delivery. The tool distinguishes itself by integrating directly into the development lifecycle through middleware that intercepts HTTP requests to compile and serve assets on demand. For production environments, it provides a command-line interface to precompil

Ant is a modular game engine framework designed for building interactive 3D experiences. It provides a core runtime infrastructure that supports the integration of independent, reusable functional packages to extend engine capabilities. The engine features a specialized ahead-of-time asset pipeline that transforms raw 3D models, textures, and shaders into optimized binary formats. By utilizing pre-computed memory-mapped layouts, the system minimizes runtime processing overhead and improves loading speeds for game assets. Development is supported by a scriptable world editor that allows for s

This project is a comprehensive reference guide for computer science fundamentals, providing structured summaries of essential data structures and algorithmic principles. It serves as a technical resource for developers to review core programming concepts, memory layouts, and operational characteristics required for software development and technical assessments. The collection distinguishes itself by offering concise, implementation-focused documentation for a wide range of standard techniques. It covers the mechanics of various sorting and searching algorithms, graph and tree traversal stra

WickedEngine is a C++ 3D game engine and framework designed for building high-fidelity three-dimensional applications and graphics projects. It features a modern graphics renderer that implements current standards to produce complex geometry and lighting across different hardware. The engine includes a standalone visual scene editor for designing environments and configuring properties without writing code. It also provides an integrated Lua scripting environment to manage runtime logic and automate engine tasks. The framework covers 3D graphics rendering and application development, includi

Wepy is a mini program development framework used to build modular user interfaces through a component-based development style. It functions as a component-based UI framework that enables the creation of reusable interface elements sharing state and logic across different platform targets. The project includes a TypeScript build pipeline that transforms TypeScript, CSS pre-processors, and template engines into browser-ready assets. It also serves as an asynchronous API wrapper that converts callback-based functions into promises to simplify asynchronous control flow. The framework covers cro

This repository is a collection of machine learning theory notes and mathematical references. It serves as a structured study guide containing conceptual explanations and handwritten mathematical derivations of the foundations and core formulas used in the field. The content focuses on the mathematical derivation of algorithms, breaking down the step-by-step logic and proofs required to understand their inner workings. These academic records utilize typesetting for precise scientific notation and mathematical documentation. The materials are organized as a markdown-based study guide with a t

This project is a comprehensive educational resource and guide for learning the Git version control system. It serves as a technical documentation source for a textbook that explains the fundamentals, advanced workflows, and internal architecture of Git. The project is structured as a multi-format e-book, with source files designed to be compiled into various digital publication formats, including HTML, PDF, EPUB, and Mobi. It utilizes a dedicated build pipeline to generate and validate these documents. The content covers a broad range of version control capabilities, including history manip

ResumeSample is a software engineer resume framework and a collection of Markdown templates used to generate professional resumes and technical portfolios for developers and architects. The project provides structured layouts and templates tailored to specific programming languages and engineering roles. It uses a system of role-specific schemas to organize technical skills and professional experience into standardized formats that meet software industry expectations. The framework decouples content from presentation by using Markdown for document structuring and CSS for visual formatting. A

This project is a Python data science curriculum and programming tutorial collection. It provides a structured set of educational notebooks and scripts designed to teach data analysis, machine learning, and deep learning. The repository serves as a learning path for building and tuning predictive models, including regression, decision trees, and neural networks. It includes a data visualization guide for creating financial time-series plots and a multiprocessing reference for implementing parallel task execution and shared memory synchronization. The curriculum covers broader capability area

This project is a comprehensive cybersecurity knowledge repository that provides a structured collection of technical documentation, training materials, and professional development roadmaps. It serves as a centralized resource for practitioners to navigate complex security disciplines, ranging from offensive and defensive fundamentals to specialized infrastructure and application security. The repository distinguishes itself through a modular resource framework that enables users to construct isolated cyber range environments for hands-on practice. It also features a specialized reference gu

This library is a high-performance data grid component for React applications, designed to manage and display large datasets. It provides a declarative configuration system that allows developers to define table structures, data sources, and feature toggles through a structured object schema. The library distinguishes itself through a flexible layout engine that supports complex UI requirements, such as pinning headers and specific columns to viewport edges during scrolling. It utilizes virtualized rendering to maintain interface responsiveness by displaying only the visible subset of data, e

Code Surfer is a web-based code slide framework and presentation tool designed for creating technical slides. It functions as a code animation library and diff visualizer that enables the rendering of source code with animated transitions, zooming, and highlighting. The project focuses on visualizing code evolution through state morphing and diff animations. It uses coordinate-based view transitions and smooth scrolls to guide viewers through changes between different code versions across a slide deck. The framework provides capabilities for attention management via line-level focus, section