Open-source alternatives to Annotated Latex Equations

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

maptalks.js is a JavaScript map rendering library and web map interaction framework used to render interactive 2D and 3D geographic data on a web canvas. It functions as a 3D geospatial engine supporting 3DTiles and GLTF formats, a GeoJSON visualization tool, and a spatial analysis library. The project distinguishes itself through high-performance rendering and dynamic geospatial animation, including the ability to simulate traffic flow and execute smooth visual transitions for map elements. It provides comprehensive tools for interactive geometry editing, allowing users to draw and modify ve

This is a Go-based PDF library used for the programmatic generation of PDF documents without relying on external C dependencies. It functions as a document generator, layout engine, security tool, and vector graphics engine for creating files containing text, images, and geometric shapes. The project distinguishes itself through a cell-based layout engine that manages automatic text wrapping, page breaks, and structured positioning. It provides specialized capabilities for vector graphics, including the rendering of Bézier curves and polygons, as well as a security toolkit for applying passwo

tui.image-editor is a JavaScript image manipulation library and web-based photo editor. It provides a browser-based interface for cropping, resizing, and applying filters to images using the HTML5 Canvas API. The project is distinguished by its role as a canvas-based annotation tool, allowing users to add text, shapes, and freehand drawings as graphic overlays. It offers extensive UI customization through theme configuration, interface text localization, and the ability to replace default icons with custom SVG files. The library covers geometry manipulation, visual filter application, and im

This project is a collection of methodological guides and standards for academic document workflows, specifically focusing on a LaTeX scientific writing guide, typesetting standards, and Python data visualization guidelines. It provides a framework for professional scientific paper typesetting and the management of technical documents. The project distinguishes itself by providing specific workflows for programmatic data visualization, including the use of Python and Matlab scripts to ensure high-quality figures and consistent styling. It also details an academic document workflow that integr

This project is a comprehensive, community-maintained knowledge base and toolkit designed for competitive programming. It serves as a centralized repository for algorithmic theory, data structures, and mathematical techniques, providing a structured reference for informatics and collegiate programming competitions. The project distinguishes itself by integrating educational content with a robust suite of automation utilities. It provides a complete workflow for competitive programming, including tools for automated test case generation, solution verification, and direct interaction with onlin

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

This project is a collection of linear algebra educational notebooks and study resources. It serves as a mathematics study resource providing structured notes and explanations for learning core algebraic concepts. The material is authored as interactive math tutorials and LaTeX mathematical courseware, combining theoretical explanations with executable mathematical examples. Content is delivered through markdown-based study resources and converted into static site mathematics notes for serverless web access. The curriculum covers a range of mathematical theory, including matrix elimination,

hugo-book is a documentation theme and static site framework for Hugo designed to create structured technical manuals, documentation books, and multilingual knowledge bases. It transforms directory structures into hierarchical navigation menus and formatted technical content. The framework includes a specialized OpenAPI documentation renderer that converts specifications into structured reference pages. It also provides a full-text client-side search integration and supports multilingual content with right-to-left layout mirroring. The project covers a wide range of content rendering capabil

Elements is a C++ GUI library and component-based UI framework used for building desktop user interfaces. It features a retained-mode layout engine that manages the positioning, sizing, and layering of elements within a window. The framework functions as a cross-platform window manager, handling application event loops and embedding graphical views into native platform windows. It allows for the creation of custom widgets by composing basic primitive elements and alignment wrappers. The system supports responsive layout organization through the use of tiles, grids, and flows. It also provide

This is a chart library for rendering interactive data visualizations within WeChat Mini Programs using the Apache ECharts engine. It provides a set of visual components that use 2D canvas interfaces to render line, bar, pie, and scatter plots. The library utilizes a 2D canvas interface to increase drawing speed and resolve visual layering issues. It implements an interactive charting component that supports touch-based data interaction, allowing users to see detailed contextual information through formatted tooltips when tapping or hovering over data points. The project covers mobile data v

Jupyter Book is a computational book publisher and static site generator that converts Jupyter notebooks and markdown files into interactive web books and publication-quality PDF documents. It serves as a markdown-based documentation tool that executes embedded code at build time and caches the resulting outputs for static display. The system distinguishes itself by supporting interactive data publications, allowing readers to engage with live computational widgets and launch notebooks in remote execution environments. It extends standard markdown with a system of roles and directives to supp

react-canvas is a library for drawing user interface elements to a hardware-accelerated canvas instead of the standard document tree. It provides a system for rendering components to a canvas to improve rendering speed and frame rates. The project includes a layer manager to organize visual elements and cache expensive drawing operations. It features a text engine capable of rendering multi-line text with precise character metric measurements and truncation, as well as a virtualized list system that processes only visible items to maintain smooth scrolling. Interaction is handled through a c

Gollum is a Git-powered wiki engine and content management system that provides a web-based interface for editing and organizing files stored in a Git repository. It functions as a self-hosted documentation tool, using a Git-based storage backend to manage page content and track version history. The system is characterized by a pluggable markup rendering architecture that converts multiple markup languages and specialized notations into HTML. It supports a wide array of rich content, including mathematical typesetting, BibTeX bibliographies, and diagrams rendered via Mermaid. Broad capabilit

Hedgehog Lab is a browser-based scientific computing environment designed for executing numerical analysis, matrix operations, and symbolic computation directly within a web browser. It functions as a native engine for algebraic manipulation and equation solving, allowing users to perform complex mathematical tasks without requiring external server-side infrastructure or software installations. The platform distinguishes itself by leveraging hardware acceleration to process large-scale linear algebra and matrix calculations. It integrates a symbolic engine that parses mathematical expressions

sigma.js is a JavaScript graph visualization library and WebGL network renderer designed for drawing large-scale network graphs in web browsers. It functions as a high-performance engine capable of rendering network structures containing thousands of nodes and edges interactively. The library provides a customizable graph engine that allows for the creation of specialized visualizations using low-level graphics primitives and custom drawing layers. It supports the rendering of diverse node shapes, such as images or piecharts, and enables the integration of graph visualizations as overlays on

Fabric.js is an HTML5 canvas library and interactive vector graphics engine. It provides an object-oriented model for creating, manipulating, and animating 2D shapes and interactive graphics on a web page. The project functions as an SVG to canvas parser, translating SVG data into interactive canvas objects and exporting canvas states back into SVG format. It also serves as a canvas image processing tool for applying filters, gradients, patterns, and brush strokes to visual elements. The library covers programmatic vector manipulation, including the ability to scale, rotate, skew, and group

This project is an open-source office suite that provides a collection of productivity applications for word processing, spreadsheets, presentations, and databases. It implements the Open Document Format standard to ensure interoperability between different office productivity tools. The suite includes a specialized formula equation editor for mathematical formatting, a vector graphics editor for scalable images, and a relational database manager for organizing structured data. The project covers broad functional domains including text document generation, spreadsheet management, presentatio

This project is a markdown syntax cheatsheet and reference guide designed for writing documents with a focus on GitHub Flavored Markdown. It serves as a formatting reference and documentation template for creating technical content and project landing pages. The guide provides a comprehensive collection of examples for GitHub specific extensions, including task lists and callout alerts. It functions as a visual directory for implementing structured layout elements such as tables, mathematical equations, and code blocks. The reference covers broad capability areas including content and media

grok-prompts is a library of system prompts and templates used to define the personality, safety boundaries, and operational logic of large language models. It provides a framework for managing model personas and the integration of external tools through structured configurations. The project focuses on persona management to ensure consistent response styles and professional tones. It includes specific configurations for safety guardrails to prevent harmful outputs and a tool integration framework that enables models to interact with services for web search, image generation, and document ana

This project is a static site generator template designed for academics to build and maintain professional portfolios. It transforms markdown files and structured data into a cohesive website, allowing scholars to document their research publications, teaching experience, and speaking history without the need for a database. The platform is distinguished by its specialized tools for scholarly dissemination, including the ability to showcase research output with metadata and abstracts, and to catalog professional talks through interactive geographic visualizations. It supports the presentation

Paper2Poster is an automated system designed to convert dense academic research papers into professional, branded presentation posters. By utilizing large language models, the tool extracts key findings and structured data from scientific documents, which are then mapped into predefined visual grids to create editable presentation layouts. The system distinguishes itself through a multi-agent orchestration framework that coordinates specialized tasks, including content summarization, visual asset placement, and quality verification. Users can define visual aesthetics and institutional brandin

Arxiv-style is a LaTeX document class and template designed for formatting academic research papers and preprints to match conference typesetting standards. It serves as an academic manuscript formatter that applies clean machine learning conference layouts to scientific papers and preprints for repository publishing. The template implements custom formatting rules using standard markup macros and reusable configuration files to enforce consistent styling and structural layouts. It includes source-level bibliography embedding to bundle external reference files directly into the compiled outp

Tufte LaTeX is a collection of document classes for the typesetting engine that formats academic papers, books, and handouts using traditional typographic principles. The system structures page layouts with wide margins, custom section headings, and structured layouts inspired by classic book designs. The framework encapsulates traditional layout rules and margin-note placement inside reusable document class files. It automatically positions citations, figures, and explanatory notes in the wide page margins alongside corresponding body text references, while calculating precise page dimension

Rough Notation is a JavaScript annotation and animation library used to draw sketchy, hand-drawn visual marks over web page elements. It functions as a utility for adding organic-looking underlines, boxes, and highlights to HTML elements to create a hand-drawn aesthetic on digital interfaces. The library provides specialized tools for sequencing drawing animations and managing instructional overlays. It supports the creation of hand-drawn circles, brackets, and highlights that can be triggered in a specific order to guide users through a page. The system handles multiline text annotations by

This project is a configuration-driven typesetting system and template framework for academic theses and research papers. It serves as a multilingual layout engine designed to automate the production of scientific manuscripts and technical documents according to institutional formatting standards. The system abstracts complex LaTeX logic into simplified configuration files to manage institutional metadata, front matter, and university-specific layout requirements. It ensures typographic consistency across different operating systems through cross-platform font mapping and a standardized build

Hammerspoon is a programmable automation engine for macOS that enables deep system-level control through a Lua scripting environment. By bridging high-level scripts with native Objective-C APIs, it allows users to interact with the operating system's accessibility tree, intercept hardware input streams, and manage the lifecycle of running applications. The project distinguishes itself through an event-driven architecture that registers asynchronous hooks for system notifications and hardware events. This allows for real-time automation, such as remapping keyboard and mouse inputs, managing wi