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Well organized and easy to understand Web building tutorials with lots of examples of how to use HTML, CSS, JavaScript, SQL, Python, PHP, Bootstrap, Java, XML and more.

Use Crazy Egg to see what's hot and what's not, and to know what your web visitors are doing with tools, such as heatmaps, recordings, surveys, A/B testing & more.

在线数学求解器，为你免费解答代数，微积分等数学问题。浏览在线网页或下载数学求解器app获取帮助。

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Reeoo is provides web design inspiration and website gallery for web designers, and they can show best website design case on the Reeoo. Reeoo为设计师提供网页设计灵感和网站设计案例库，设计师可以在Reeoo上展示最佳网站设计案例。

Adobe Fonts partners with the world’s leading type foundries to bring thousands of beautiful fonts to designers every day. No need to worry about licensing, and you can use fonts from Adobe Fonts on the web or in desktop applications.

Tabler Icons: 5963 free and open source SVG icons. Customizable size, color and stroke. Available for React, SolidJS, Vue, Figma and more for free!

Explore the latest web design and frontend development trends with tutorials, demos, and creative coding resources.

Online Web Fonts is Internet most popular font online download website,offers more than 8,240,170 desktop and Web font products for you to preview and download.

Awwwards are the Website Awards that recognize and promote the talent and effort of the best developers, designers and web agencies in the world.

SiteCheck is a website security scanner that checks any site, link, or URL for malware, viruses, blacklist status, seo spam, or malicious code. Check your website safety for free with Sucuri Security.

Interfacer is a collection of 300+ free design resources found on the Web.

Clicky's privacy-friendly, real-time website analytics service is simply the best way to monitor, analyze, and react to your website's traffic in real time.

Generate or browse beautiful color combinations for your designs.

The official home of the Python Programming Language

Online Javascript Obfuscator

The best way to make instant Website Screenshots

Flatuicolorpicker gives you the perfect colors for Flat Design

五彩插件是一款强大的网页划线高亮标注工具，支持在任意网页划线高亮、批注和写笔记。支持全文剪藏、稍后阅读，可同步到 Obsidian、Workflowy、Logseq、思源等知识管理工具。支持 Chrome、Edge、Safari、Firefox 等多浏览器。

The PowerPoint FAQ site - PowerPoint Help, Hints and How-tos, PowerPoint Answers, Add-Ins and Assists, PowerPoint Tips, Tricks and links to other PowerPoint sites.

Calltoidea is the unique place where you can find inspiration. A great tool created by a deisnger for web professionals.

Free Solution to all your Color Problems

Icon Ninja collects 700080 free icons in 16306 icon sets, including 33350 vector icons and 666730 transparent background png icons, also you can generate icon css sprites online

腾讯CDC是一个设计团队，做世界一流的互联网设计团队，为用户创造优质在线生活体验。CDC关注于互联网视觉设计、交互设计、用户研究、前端开发。

Add polls right into your PowerPoint slides. Slido for PowerPoint is the easiest live polling integration that will make your presentation more interactive.

HTML entity, symbol, character | refined web tools

A curated gallery of beautiful, modern websites meant to inspire web developers and designers.

微云是腾讯公司为用户精心打造的一项智能云服务, 您可以通过微云方便地在手机和电脑之间同步文件、推送照片和传输数据。

Animista is a CSS animation library and a place where you can play with a collection of ready-made CSS animations and download only those you will use.

A showcase of the web’s finest design + talent