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ColorHexa is a free color tool that provides information about any color and generates matching color palettes, such as complementary, analogous, triadic, tetradic and monochromatic schemes. Users enter a color value and it offers a detailed description and converts it to equivalent formats including Hexadecimal, RGB, CMYK, HSL, HSV and CIE-LAB.
curl is a command-line tool and library for transferring data with URLs. It is used in command lines or scripts to transfer data, and libcurl serves as an Internet transfer engine in numerous software applications and devices. It supports many protocols, including HTTP, HTTPS, FTP, SMTP and IMAP. curl is free and open source software with thousands of contributors and sponsors.
Tailwind CSS component library offering themes, UI components, and faster interface building.
DDLCode is a site listing GPL-licensed WordPress themes and plugins, along with scripts and mobile codes. Its catalog shows items such as WordPress themes and plugins marked Nulled or Untouched. Downloads require registration, and free members are limited to 3 downloads a day, excluding files reserved for Premium users.
FreeSVGEditor helps developers write, search, review, test, or manage code and projects.
Globster is an online tool for testing and visualizing results of glob patterns matching. Users type a glob pattern and matched files are highlighted in the tree directory structure. It uses version 3.0.4 of the minimatch JavaScript library to evaluate glob patterns. It is intended for debugging glob patterns and experimenting with provided examples.
GTmetrix checks page speed, performance, technical issues, and web quality signals.
Icon Shelf is a free and open source icon manager for web developers. It connects to a web project's assets folder and does not add extra files to it. Icons can be organized by collections, previewed, and searched, and copied as import statements for frameworks including React, Vue, Svelte and Ember. It runs on macOS, Windows and Linux.
Panda CSS is a styling engine that generates atomic CSS from written styles at build time with no runtime cost. It supports design tokens, semantic tokens and themes, and recipes with variants, all type-safe. It runs through the CLI, PostCSS or a bundler, generating a typed styled-system directory for import.
ShapeDivider helps developers write, search, review, test, or manage code and projects.
SVG Editor helps developers write, search, review, test, or manage code and projects.
TailBlocks is a storage, design, or frontend resource for mockups, assets, UI tools, or web search.
Tailspark is a storage, design, or frontend resource for mockups, assets, UI tools, or web search.
On-demand atomic CSS engine for utility-first styling, presets, and frontend tooling.
WebCode is a site by the Webcode Team that offers code generators for developers and publishes statistics articles on topics such as HTML, CSS, JavaScript, TypeScript, Python and C#. The listings show articles dated 2026, including TypeScript adoption and market share surveys.
A11Project is a developer resource for coding, documentation, communities, security research, or software tools.
Accessibility Cheatsheet is a page by Moritz Glantz offering practical approaches to Universal Design for making websites and webapps accessible to everyone. It covers semantic HTML, text alternatives for non-text content, form labels, visible focus indicators, sufficient contrast, descriptive links, captions and enabling pinch and zoom.
Am I Responsive is a developer resource for coding, documentation, communities, security research, or software tools.
Astrodotbuild is a developer resource for coding, documentation, communities, security research, or software tools.
A curated list of HTML5 resources inspired by awesome-php and awesome-python. It links to articles and standards, tutorials and references covering topics such as audio, media capture, speech synthesis, WebGL, Web Workers and progressive web apps.
CSS Cheat Sheet provides developer documentation, references, tutorials, or learning resources.
css3patterns is a developer resource for coding, documentation, communities, security research, or software tools.
Geekflare Tools is a developer resource for coding, documentation, communities, security research, or software tools.
The GNOME Human Interface Guidelines are design documentation for software built with the GNOME platform, intended for app designers and developers. They cover design principles, resources, guidelines, patterns and reference material, and are meant for use with GTK 4 and Libadwaita.
