Open-source alternatives to Cssgridgenerator

Neat is a Sass grid framework and responsive layout system used to build fluid, column-based web architectures. It provides a structured approach to managing layout properties and global design settings through a central configuration map and a toolset of Sass mixins and functions. The system is distinguished by its ability to handle nested grid architectures, allowing flexible grids to be placed inside other grid containers while maintaining precise alignment and gutter control. It also includes development tools for frontend layout debugging that render background guide lines to visualize c

pdfme is a schema-based PDF generation engine and dynamic document builder. It provides a system for producing PDF documents by merging predefined templates with dynamic input data across different runtime environments. The project includes a browser-based WYSIWYG PDF editor and template designer, allowing for the arrangement of elements via a drag-and-drop interface. It distinguishes itself through a plugin-based architecture that enables schema extensions and custom rendering logic for new content types. The capability surface covers dynamic content generation, including variable placehold

Blocks is a no-code website builder and component-based UI framework designed to create production-ready websites through a visual interface. It functions as a visual page builder that assembles layouts using pre-designed JSX component blocks. The system includes a visual theme engine used to manage brand identity through the definition of global colors and layout presets. This allows for the application of consistent visual themes across all pages of a site. The platform covers visual website building, JSX page construction, and brand identity management. It utilizes a schema-driven layout

This project is a collection of reference guides and reusable patterns for implementing CSS layouts, typography, and visual effects. It serves as a library of style snippets and implementation guides for structuring web pages and creating common user interface patterns. The repository provides specialized galleries for visual effects and UI component patterns. These include techniques for creating glassmorphism, complex geometric shapes, and interactive elements such as accordions, tooltips, and animated tab indicators. The project covers a broad range of frontend capabilities, including res

This project is an advanced CSS learning curriculum consisting of starter files and final projects. It provides a collection of real-world implementations and a project gallery designed for mastering modern layout and styling techniques. The curriculum focuses on a modular approach to stylesheets using Sass variables and architecture. It emphasizes the block-element-modifier naming convention to create maintainable and reusable CSS. The material covers several core capability areas, including responsive web design using CSS Grid, Flexbox, and media queries. It also includes the development o

draw-a-ui is an AI vision UI generator and sketch-to-code tool that transforms hand-drawn sketches and digital wireframes into functional HTML and CSS. It serves as a mockup-to-HTML converter that interprets user interface layouts from images to produce corresponding web markup. The system utilizes vision-capable language models to automate the transition from visual design to web code. It employs a multimodal inference loop to process canvas snapshots and natural language instructions, generating structural layouts and responsive grid systems without the need for pre-defined component templa

Phoenix is a comprehensive web development suite that provides a browser-based code editor, an AI-powered coding assistant, and a live web previewer. It integrates a visual Markdown document editor and a web-based Git client, allowing users to write and manage HTML, CSS, and JavaScript across different devices and platforms. The environment features a visual UI design system that maps canvas manipulations directly to code and enables in-place CSS editing. It supports real-time change previews and responsive layout testing across multiple device breakpoints to verify rendering on phones, table

This project is a fixed-width CSS layout framework designed to organize web content into a standardized grid of columns and gutters. It provides a set of CSS rules and dimensions that ensure consistent page alignment and spacing across a frontend design grid. The system synchronizes visual design mockups with technical implementations using a 960 pixel width. It includes specialized style sheets that mirror grid alignment to support right-to-left language directions. The framework covers grid management through column implementation and layout spacing control. It further provides design inte

lib-flexible is a responsive CSS layout library designed to create flexible web interfaces that scale proportionally across different screen sizes and device resolutions. It functions as a viewport scaling tool that manages device pixel ratios and screen widths to ensure layouts adapt to various mobile and desktop displays. The library implements a scaling framework that calculates a dynamic root font size, enabling the consistent scaling of elements through relative rem units. It includes a CSS grid generator for producing grid styles based on design specifications, including column counts,

DoraemonKit is a mobile frontend development toolset designed to optimize the lifecycle of web and hybrid mobile applications. It functions as a comprehensive suite of productivity tools, providing specialized utilities for mobile UI inspection, web view debugging, and on-device performance monitoring. The toolset distinguishes itself through several targeted simulation and interception capabilities. It includes a network traffic interceptor for mocking API responses without modifying source code, a device state simulator for overriding GPS coordinates, and a mobile web debugging bridge that

This project is a JavaScript UI component library and frontend utility toolkit. It serves as a web modal framework and popup library, providing a specialized system for rendering interactive dialogs, overlays, and layered interfaces over web page content. The library is distinguished by its comprehensive set of overlay tools, including alert dialogs, confirmation prompts, and the ability to embed external content via iframes. It also features a responsive twelve-column grid system for cross-device layout compatibility and an internal modular dependency management system for on-demand loading

This project is a comprehensive JavaScript programming tutorial and frontend web development curriculum. It serves as a structured educational resource for learning the JavaScript language, ranging from basic syntax to advanced asynchronous patterns and modern programming techniques. The resource functions as a frontend engineering textbook and CSS layout guide, providing detailed instructional material on building responsive user interfaces. It covers the design of custom web components and the application of styles and positioning to create effective frontend interfaces. The curriculum enc

Muuri is a JavaScript grid layout library and draggable UI framework used to create responsive grids with drag-and-drop reordering, sorting, and animated filtering. It features a nested grid system that allows full grid instances to be embedded inside other grid items to create hierarchical structures. The library uses a web worker layout engine to offload heavy coordinate calculations to background threads, maintaining interface responsiveness during complex rearrangements. The system provides interactive capabilities for moving items between multiple containers, filtering visibility based

Onlook is an integrated development environment designed for building user interfaces through a combination of visual manipulation and direct code synchronization. It provides a unified workspace where developers can modify application components, layouts, and styles within a graphical interface, with all changes automatically reflected in the underlying source code. By maintaining a live, bidirectional link between the rendered interface and the codebase, the platform ensures that visual edits are accurately translated into production-ready syntax. The platform distinguishes itself through i

Flexibility is a JavaScript layout engine and CSS compatibility layer that functions as a polyfill for the CSS Flexbox specification. It simulates flexible box layout behavior in web browsers that do not natively support the specification. The project achieves cross-browser layout consistency by implementing a programmatic system to calculate and apply alignment, direction, and wrapping properties to DOM elements. It provides utilities for both the application and extraction of these layout styles to manage the visual structure of a page. The engine operates through DOM tree traversal and ma

WebSlides is an open-source tool for creating HTML presentations, landing pages, and longform articles directly in the browser. It provides a full-screen slide deck system where each section element becomes an individual slide with horizontal and vertical navigation, keyboard shortcuts, touch gestures, and remote presenter support. The project distinguishes itself by offering over 40 pre-built slide components such as covers, cards, quotes, and flexible block grids that can be assembled without writing custom layout code. It includes built-in support for embedding rich media like background i

Blueprint-css is a CSS framework that provides a set of predefined styles and a responsive grid system for building consistent web page layouts and typography. It includes a browser style reset to remove default browser styling, ensuring a uniform visual starting point across different environments. The framework features a column-based responsive grid system that automatically adapts web content across various screen sizes and devices. It also includes a dedicated print stylesheet to optimize the appearance of web content specifically for physical printing. The project covers typography sta

react-virtualized is a library of components for rendering massive lists and tables by drawing only the elements visible in the viewport. It provides specialized layout managers including a windowed grid component and a dynamic height list manager. The project includes a masonry layout engine for packing items of varying heights and widths, as well as an infinite scroll interface for incrementally fetching and appending data. The library covers a broad range of virtualization capabilities, including frozen grid elements, reverse list rendering, and synchronized viewport scrolling. It also su

This project is a collection of experimental frontend prototypes, comprising a creative web layout gallery, a CSS user interface component library, and a visual experiment lab. It serves as an interactive animation showcase for holographic effects, audio-visual synthesis, and dynamic state transitions. The repository features specialized implementations of interactive media, including physics-based particle systems, real-time audio-visual synthesis, and an interactive sketching system. It also includes tools for content generation, such as text-based image reconstruction and a web-based prese

This project is a collection of responsive CSS Grid dashboard templates and a data visualization UI kit. It provides a set of HTML layouts designed for building analytics interfaces and monitoring views for KPIs and business metrics that adapt to different screen sizes. The toolkit is library-agnostic, allowing the connection of static HTML templates to any external data source or third-party charting library without requiring custom adapter code. It uses a template-driven approach to separate the visual structure of the dashboard from the underlying data. The capabilities cover the assembly

Flat-UI is a collection of responsive UI toolkits and CSS libraries used to build websites and interactive web components with a flat design aesthetic. It provides a responsive frontend toolkit and a web component library based on the Bootstrap framework to create adaptive layouts. The library focuses on implementing a consistent flat design through predefined hex color palettes and typography styles. It replaces standard browser elements with customized visual styles to remove skeuomorphic depth. The toolkit covers a broad range of interface capabilities, including customized form elements

This project is an HTML email framework and compiler designed to build responsive emails using a high-level syntax that transforms into table-based layouts. It functions as an HTML-to-table compiler and CSS inliner, ensuring that simplified markup is converted into the complex nested structures and inline attributes required for cross-client compatibility. The framework features a responsive email grid system and Sass-based styling, allowing the use of variables to manage colors, typography, and spacing. These tools enable custom brand theming and the creation of fluid layouts that adapt to v

React Grab is a browser-based code navigator and component inspector that links rendered user interface elements to the specific files and lines of source code where they are defined. It serves as a bridge between the browser interface and a local codebase to facilitate element identification and analysis. The tool functions as a developer extension for React applications, mapping visual components to their originating source code. This capability provides specific code context to support manual review and AI-assisted development. The project includes a framework for extending the browser in

gridstack.js is a JavaScript grid layout library and responsive dashboard framework used to create interactive interfaces with draggable and resizable elements. It functions as a drag-and-drop layout manager and a JSON-serializable layout engine, allowing user-defined interface states to be persisted and restored. The library distinguishes itself through a touch-enabled grid interface and a responsive system that automatically adjusts item placement based on screen breakpoints. It features a collision-based layout engine that manages overlapping coordinates to shift or swap elements, alongsid

CRMEB is a comprehensive e-commerce platform built on ThinkPHP 6, designed as a headless system that delivers standardized APIs to various frontend clients. It provides a unified backend to synchronize product catalogs, orders, and customer data across web browsers, mobile applications, and mini-programs. The platform supports diverse commerce models, including multi-vendor marketplaces where independent merchants manage their own stores, centralized chain store networks, and social commerce frameworks featuring affiliate distribution and community group buying. It also integrates specialized

This project is a React UI interaction library and component geometry manager. It provides a set of tools for creating elements within a React application that users can move and resize. The library allows for the customization of interaction handles, enabling the application of custom components, styles, or CSS classes to the resize handles to match specific visual designs. The system covers element manipulation through both direct user interaction and programmatic geometry updates. It includes capabilities for grid snapping, bounding constraints, and locked aspect ratios to control the pos