CSS, styling et dataviz

Firefox is a cross-platform web browser engine designed to render web content, execute JavaScript, and manage secure browsing sessions. It utilizes a multi-process isolation architecture that distributes browser tasks across independent operating system processes to ensure stability and prevent site-specific failures from impacting the entire application. The engine incorporates a sandboxed execution environment to restrict web content and untrusted scripts to isolated memory compartments, enforcing security policies that prevent unauthorized access to system resources. The project distinguis

D3 is a modular library providing low-level primitives for creating data-driven visualizations. It functions as a flexible framework that allows for direct control over visual presentation by mapping abstract data dimensions to graphical properties, such as position, color, and size, without imposing predefined chart abstractions. The library distinguishes itself by offering specialized tools for complex data representation, including algorithmic layouts for hierarchical structures and geographic projection utilities for mapping spherical coordinates. It also includes a comprehensive suite fo

Noctalia Shell is a modular Wayland desktop shell that provides a user interface consisting of status bars, launchers, and notifications for Wayland compositors. It is built as a plugin-based desktop environment that utilizes declarative configuration for managing system defaults, wallpapers, and plugin installations. The project features a dynamic desktop theming engine that extracts color palettes from wallpapers to theme the shell and external applications. This is supported by an inter-process communication bridge that exposes endpoints, allowing external scripts and keybindings to trigge

Chart.js is a declarative data visualization framework that renders interactive, responsive charts directly onto an HTML5 canvas element. It functions as a configuration-driven engine, transforming structured datasets into complex graphical representations by merging user-defined settings with global defaults. The library utilizes a high-performance rendering pipeline that executes drawing commands during each animation frame to maintain smooth visual feedback. The project distinguishes itself through a modular, extensible architecture that allows developers to register custom scales, control

Mermaid-cli is a command line interface and programmatic tool that converts text-based diagram syntax into static visual assets. It functions as a headless browser renderer and markdown diagram processor, enabling the generation of diagrams through a CLI or a JavaScript-based generator. The tool distinguishes itself by supporting the conversion of diagram definitions into multiple image formats, including SVG, PNG, and PDF. It allows for custom diagram styling by applying external CSS files to override default themes and add visual animations. The project provides capabilities for markdown i

This project is a declarative data visualization library that provides a composable suite of user interface components for rendering interactive charts. It functions as an SVG-based charting engine, allowing developers to construct complex visualizations by nesting modular building blocks such as axes, grids, legends, and data series within a unified layout. The library distinguishes itself through a highly responsive architecture that automatically reconciles layout changes and maps data domains to pixel coordinates using mathematical scale functions. It prioritizes performance through memoi

Cinnamon is a desktop environment interface for Linux operating systems. It provides a visual layout and user interface for managing windows and applications, focusing on desktop workflow management. The project enables Linux GUI customization, allowing the look and feel of the environment to be modified. It includes a window management system to handle the placement and behavior of application windows within the workspace. The environment utilizes a JavaScript-based shell and a modular applet architecture for extensibility, while using CSS for component styling. The interface is built with

This project is a curated knowledge base and technical reference for professional web styling. It serves as a comprehensive guide to modern CSS best practices, focusing on techniques that leverage native browser capabilities to create efficient, maintainable, and scalable stylesheets. The collection emphasizes the use of declarative style logic and modern layout engines to replace brittle, imperative approaches. By prioritizing native pseudo-class state management, logical property mapping, and relative unit scaling, the guide demonstrates how to build responsive interfaces that remain consis

MarkEdit is a high-performance Markdown text editor and document navigator. It provides a scriptable editing environment that supports side-by-side HTML rendering for real-time formatting previews. The editor is distinguished by a multi-caret engine that enables rectangular block selections and simultaneous modification of multiple text ranges. It allows for extensive interface and functional customization through external CSS stylesheets and the integration of system-level scripts to automate repetitive tasks. The application includes tools for managing large documents, such as content bloc

This project provides a comprehensive collection of standardized vector symbols designed to maintain a unified visual language across mobile and web-based user interfaces. It serves as a cross-platform resource for developers and designers to implement a consistent iconographic identity within digital products. The library distinguishes itself through the use of variable font technology, which allows for the dynamic adjustment of icon weight, grade, and optical size directly through style sheet properties. By leveraging native font rendering engines and CSS class-based styling, the collection

This project is a curated collection of best practices, coding standards, and style guidelines for writing C++ source code. It serves as a software engineering resource focused on improving code safety, maintainability, and performance. The resource covers multiple domains of C++ development, including safety engineering to reduce bugs and memory errors, as well as code optimization for increased efficiency. It provides a set of collaborative guidelines for consistent code formatting and structural patterns across projects.

Utility-first CSS framework for fast, design-system-friendly styling.

Leptos is a full-stack Rust web framework designed for building reactive applications that share logic and types between the server and the browser. It provides a comprehensive toolkit for developing web interfaces where specific DOM nodes update automatically in response to changes in underlying reactive signals, rather than re-rendering entire component trees. The framework distinguishes itself through a fine-grained reactivity model that tracks dependencies at the individual data point level. It utilizes compile-time template transformation to convert declarative HTML-like syntax into opti

Chakra UI is a design system component library and styling framework that provides a foundation for building consistent, accessible web interfaces. It functions as a centralized theme configuration engine, using a design-token-driven architecture to manage visual properties like color palettes and spacing rules as a single source of truth across an entire application. The framework distinguishes itself through a type-safe styling utility that automatically generates TypeScript definitions from theme configurations, ensuring accurate property referencing and editor autocompletion. It employs a

Vizro is a low-code Python framework for building production-ready data visualization applications. It functions as a UI orchestrator that allows users to define multi-page analytical dashboards through structured configurations in Python, YAML, or JSON, reducing the need for extensive frontend engineering. The project distinguishes itself through generative AI integration, utilizing a model context protocol server to translate natural language descriptions into validated dashboard configurations, charts, and layouts. It also features a decoupled data cataloging system that separates data sou

Ant Design is an enterprise-grade component library and design system framework built for developing complex, data-heavy web applications. It provides a comprehensive collection of pre-built, state-driven interface elements that map data properties to rendered components, ensuring consistent interaction patterns and visual language across large-scale projects. The library distinguishes itself through a robust styling architecture that utilizes design tokens and hierarchical configuration providers to propagate global settings like themes, locale, and layout direction. By employing component-l

LCUI is a component-based, cross-platform UI toolkit for building desktop applications using C, TypeScript, and JSX. It provides a declarative UI compiler that transforms JSX and TypeScript markup into native C code, enabling developers to construct interfaces without a browser runtime. The library includes a CSS styling engine that applies standard CSS rules to layout and style native desktop components, and supports component composition with state management and event binding. The toolkit distinguishes itself by combining web development patterns with native desktop rendering, allowing dev

Bulma is a design-agnostic CSS framework that provides a collection of pre-styled interface components and layout primitives. It is built to be independent of specific JavaScript frameworks or build tools, allowing developers to construct responsive web interfaces by applying standardized classes directly to semantic HTML markup. The framework distinguishes itself through a utility-first approach that combines modular component styling with a flexible grid system. It leverages native CSS variables to manage design tokens, enabling real-time visual customization, automatic dark mode adaptation

Ionicons is a library of hand-crafted scalable vector icons and an interface design asset pack used to build consistent user interfaces across web and mobile applications. It provides a collection of vector graphics designed for design system implementation and web component icon systems. The library includes a cross-platform icon set that automatically adapts its style based on the user's operating system to maintain a native look and feel. It also supports the integration of custom SVG assets through remote URL resolution to extend the available set of visuals. The system covers SVG asset

Bootstrap is a comprehensive, mobile-first CSS framework designed for building responsive web interfaces. It provides a standardized library of reusable UI components, such as navigation bars, modals, and forms, alongside a robust grid system that ensures consistent layout alignment across diverse viewport sizes. By establishing a baseline through browser normalization and standardized typography, the project enables developers to create accessible, cross-browser compatible web applications. The framework distinguishes itself through a modular Sass-based architecture that allows for deep cust

Pikaday is a lightweight JavaScript datepicker widget and dependency-free UI component. It provides a graphical calendar interface for selecting dates that binds to form fields without requiring external libraries or frameworks. The project features a localizable calendar interface, allowing for the customization of month names, weekday labels, and regional text directions to support multiple languages. Its programmable API manages input formatting and selection restrictions. The tool covers a broad range of date selection capabilities, including date input validation, range restrictions, an

This project is a React-based framework for constructing interactive, node-based visual interfaces. It provides a platform for building canvases where users define, connect, and organize logical processes, data pipelines, or complex workflows through a graphical interface. By utilizing a modular component architecture, it enables the development of low-code environments, visual programming tools, and interactive diagramming applications. The framework distinguishes itself through a declarative approach where state changes automatically synchronize with the visual representation of nodes and e

Jellyfin Web is the browser-based frontend for the Jellyfin media server, providing the user interface for browsing, playing, and administering a self-hosted media collection. It functions as a cross-platform media client that works across desktop and mobile browsers, offering a dashboard for server configuration, user management, and plugin administration. The web client serves as the primary interface for organizing and streaming personal media libraries, including movies, TV shows, music, and photos. The web interface supports a range of media management capabilities, including library org

PlotNeuralNet is a programmatic tool designed to generate high-quality visual representations of neural network architectures. It functions as a declarative visualization framework that converts structural definitions into professional-grade graphical output, specifically tailored for technical documentation and academic research papers. The project distinguishes itself by utilizing a layer-centric procedural modeling approach, which applies standardized geometric templates to network components to ensure consistent visual styling. By leveraging a domain-specific macro language and a LaTeX-ba

Waybar is a modular status bar for Wayland compositors that provides a configuration-driven interface for system monitoring and desktop management. It functions as a shell component that integrates directly with Wayland protocols to track window manager states, manage system tray icons, and display real-time hardware, network, and power metrics. The project distinguishes itself through a highly flexible architecture that allows for independent or synchronized interface bars across multiple monitors, each with unique layout and styling rules. Users can extend the bar's functionality by creatin

This project is a cross-platform animation engine and vector animation player designed to render complex motion graphics within web browsers. It functions as a declarative motion framework, allowing developers to decouple visual design from application logic by using structured data files to define sophisticated animations. The library distinguishes itself by offering multiple rendering paths, including native support for vector graphics through the browser document object model and raster-based drawing via canvas elements. It utilizes a dedicated property interpolation engine to calculate ke

AdguardFilters is a collection of curated adblock filter lists, content blocking rulesets, and DNS blocklists. Its primary purpose is to provide the rules necessary to identify and remove advertisements, tracking scripts, and intrusive elements across web browsers and applications. The project includes specialized rules for cosmetic filtering to hide layout gaps and a malware domain database to block phishing and spyware destinations. It provides distinct filtering sets for different regions and purposes, such as social media blocking. The repository covers broad capability areas including m

This project is a client-side rendering engine that transforms declarative, text-based syntax into visual diagrams directly within the browser. By utilizing a domain-specific language, it allows users to define complex structures—such as software architectures, process flows, and system behaviors—without the need for manual layout configuration. The library functions as a browser-based runtime that parses these definitions into intermediate abstract syntax trees, which are then processed by specialized engines to generate high-fidelity, resolution-independent graphics. The system distinguishe

This project is a collection of translated educational resources and documentation focused on the internal mechanics of the JavaScript language. It provides detailed guides and tutorials covering core concepts such as scope, closures, and prototypes. The materials specifically address asynchronous programming patterns, including callbacks, promises, and generators. It also provides guidelines for performance optimization through benchmarking and tuning techniques to improve code execution speed and resource efficiency. The content is delivered via a static site generated from markdown files

YASB is a customizable status bar framework and desktop shell component for Windows. It provides a toolkit for building personalized information bars using a modular class-based widget architecture and CSS-based styling. The framework distinguishes itself through deep integration with Windows tiling window managers, allowing users to display active workspaces, tiling layouts, and window focus states. It also features automated visual consistency by generating system color schemes based on the current desktop wallpaper. The project covers a wide range of capabilities, including real-time syst

Material UI is a comprehensive component-based library designed to accelerate the construction of professional, accessible web interfaces. It provides a centralized design system framework that manages visual tokens, typography, and color palettes to ensure consistent branding and layout constraints across complex application architectures. By encapsulating behavioral and accessibility logic within modular primitives, the library enables developers to build inclusive user experiences that adhere to rigorous design standards. The project distinguishes itself through a zero-runtime styling engi

GrapesJS is a framework for creating no-code visual editors that produce HTML and CSS templates. It provides a browser-based interface for designing website and newsletter structures using a drag-and-drop page editor. The project functions as a web builder framework, enabling the development of custom design environments. It includes a system for managing nested HTML elements, modifying layout properties via a graphical interface, and organizing components through a page layer hierarchy. The toolset covers digital asset management for organizing images and files, as well as the ability to pe

Rich is a comprehensive library for building sophisticated command-line interfaces and terminal applications. It provides a robust console formatting engine and a layout framework that enables developers to render rich text, syntax-highlighted code, and complex data structures directly in the terminal. By utilizing a recursive constraint-based layout engine, the library allows for the creation of hierarchical grids, panels, and trees that maintain their structure even as terminal dimensions change. What distinguishes the library is its ability to manage persistent, real-time terminal interfac

Makie.jl is a high-performance Julia data visualization library and hardware-accelerated plotting engine used to create interactive 2D and 3D visualizations. It functions as a reactive visualization framework where plots update automatically via observables and compute graphs, and as a vector graphics generator for high-resolution academic output. The system is distinguished by its backend-agnostic rendering pipeline, which supports OpenGL, WebGL, and ray-traced scenes. It employs a grammar-of-graphics approach to map variables to aesthetic attributes and utilizes a hierarchical scene graph t

HeroUI is a declarative toolkit for building accessible user interfaces through modular, React-based component composition. It provides a comprehensive set of reusable building blocks designed to standardize visual language and interaction patterns across web and mobile applications. The library distinguishes itself through an integrated approach to accessibility and styling. It automatically manages state and keyboard interactions by injecting appropriate attributes, while utilizing a utility-driven styling architecture to enforce design system consistency. Developers can leverage polymorphi

Eww is a declarative framework for creating custom graphical desktop widgets and status bars on Linux. It functions as a desktop widget toolkit that operates independently of the window manager, allowing users to define interface elements through a dedicated configuration language and style them using a cascading stylesheet system. The project utilizes a client-server daemon architecture to manage the lifecycle of these components, ensuring that state is maintained across the desktop environment. By leveraging a reactive state binding system, the interface updates automatically in response to

Motion is a high-performance animation library that provides a unified, declarative architecture for managing visual transitions and motion states across web interfaces. By utilizing a lightweight engine, it allows developers to define complex animations through component properties rather than manual DOM manipulation, ensuring consistent behavior across various component-based frameworks and vanilla JavaScript environments. The library distinguishes itself through a sophisticated physics-based motion engine that simulates natural movement using mass, damping, and stiffness parameters. It inc

This project is a Lua-based completion engine for Neovim that aggregates real-time text suggestions from multiple data sources into a single interface. It functions as a modular framework for extending the editor with custom completion logic, acting as both a fuzzy text suggestion tool and an interface for the Language Server Protocol. The engine utilizes a source-agnostic provider interface to standardize how disparate data sources feed candidates into a central logic engine. It employs asynchronous candidate fetching and a non-blocking architecture to retrieve suggestions from external serv

This project is a serverless service that generates dynamic, themeable visual summaries of software development activity. It functions as an automated metadata visualizer, transforming raw platform logs and repository metrics into resolution-independent vector graphics that can be embedded directly into markdown environments. The service distinguishes itself by offering highly configurable, query-parameter-driven rendering that allows users to customize the visual presentation of their coding patterns, language proficiency, and repository details. It supports both real-time generation via ser

bootstrap-datepicker is a JavaScript calendar widget and UI extension designed to integrate with the Bootstrap CSS framework. It provides a graphical calendar interface for selecting dates within web applications, serving as a specialized component for Bootstrap web forms. The project functions as a client-side date selection tool that replaces manual text entry with an interactive calendar popup. It focuses on improving the frontend user interface for date-related inputs.

Animate.css is a library of pre-defined, cross-browser CSS keyframe animations that can be applied to elements through declarative class toggling. It functions as a comprehensive motion framework, providing a standardized set of effects that ensure consistent visual transitions without requiring custom keyframe definitions. The library is built with a focus on accessibility, automatically respecting system-level reduced motion preferences to ensure that animations are disabled or simplified for users sensitive to screen movement. The framework distinguishes itself through a modular build proc

js-the-right-way is a JavaScript best practices guide and coding standards reference designed to provide a curated collection of industry materials for writing maintainable code. It serves as a web development education resource, offering organized documentation on modern JavaScript patterns and idioms. The project is structured as a markdown-based documentation site, where guides written in lightweight markup are rendered as static pages. It utilizes a curated network of hyperlinks to connect internal documentation with external industry standards.

This project is a browser-based rendering engine that captures visual snapshots of web page elements. It functions as a document object model to canvas renderer, programmatically reconstructing the visual appearance of web content by interpreting CSS box models and document structures directly within the client environment. The tool distinguishes itself by performing all image generation locally, eliminating the need for server-side processing or external rendering services. By simulating browser layout logic and mapping geometric shapes and text properties to pixel-based drawing commands, it

hint.css is a pure CSS tooltip library and styling framework used to create accessible informational pop-ups. It functions as a lightweight user interface component that transforms ARIA attributes into visible tooltips without the use of JavaScript. The framework is designed to be customizable, offering a system of configurable class prefixes to prevent naming conflicts within larger web projects. It utilizes a BEM-inspired namespace to ensure stylesheets remain conflict-free when integrated into existing environments. The library covers a range of UI capabilities, including directional posi

Tabler is a comprehensive UI framework designed for building responsive, data-heavy administrative panels and enterprise web applications. It provides a unified collection of pre-styled components and layout patterns that allow developers to construct complex dashboard interfaces using a consistent design system. The project distinguishes itself through a metadata-driven approach to interactivity, where complex component behaviors and state transitions are initialized by parsing configuration attributes directly from HTML elements. This allows for the creation of interactive interfaces withou

This project is a cross-platform desktop email client built with web technologies. It serves as an extensible mail application that allows users to manage and organize email correspondence and can link to self-hosted synchronization engines to manage user data. The application is designed for extensibility through a plugin architecture and logic extension hooks, enabling the addition of custom features such as text translation, email templating, and external service integrations. It further distinguishes itself by providing a customizable interface that supports user-defined CSS styling and t

Impress.js is a browser-based presentation engine that transforms standard document elements into interactive, three-dimensional slide decks. It functions as a declarative layout framework, allowing users to define spatial relationships and visual perspectives for content within a coordinate-based canvas. By leveraging the browser's native rendering capabilities, it enables the creation of non-linear slide decks that utilize hardware-accelerated transformations for movement and perspective shifts. The framework distinguishes itself through a state-driven controller that manages active content