365 Best Developer Tools

1.3K+ Upvotes•Free Up To 5 Users•Free Unlimited Apps

Save 100s of hours building internal apps, workflows & jobs.

Free•Advanced Filtering

The updated list of the public APIs.

2K+ Upvotes•Free Demo•One-time Payment

The fastest and easiest way to inspect or copy CSS.

2.5K Upvotes•Outstanding

Turn Figma designs into code.

100% Free•Tweet Mode Available

Create attention grabbing code snippet images in a snap.

The AI assistant for your pull requests.

Launch hundreds of integrations in days for free.

Awesome open-source gradient tool for web designers.

The ultimate developer tool for Tailwind CSS.

All in one browser extension for web designers & developers.

AI reviews your code.

Popular

Dev environment manager that makes you 2x more productive.

Free AI-powered code completion for everyone, everywhere.

The browser for designers and developers.

Find a public API for your next project.

Build third-party application APIs with NoCode.

•Popular

Get console errors right on your page.

The missing frontend for GPT-3.

Open source low code platform to build internal tools.

Open-source pricing & billing.

AI code translator.

Generate SQL queries in seconds for free.

Collecting all the cheat sheets.

No code no limits.

Build AI-driven business apps with ease.

Automate, integrate, innovate..

Community-created roadmaps to guide your developer journey.

Learn Vue.js from core-team members and industry experts.

Empowering developers with powerful editing tools.

Edit, compile, and run code online.

Modify any website in real-time.

Find the Git command you need now!

Unlock AI-powered efficiency in your coding workflow.

AI-powered dummy JSON generation made easy.

Unleash the power of your code.

Code faster with the help of AI.

Code and collaborate effortlessly.

Debug coding problems with AI and solve programming doubts.

Simplify regex pattern creation with AutoRegex.

Popular

Your ultimate coding companion.

Pseudocode editor online.

Generate dummy JSON using AI.

The all-in-one online IDE, visual builder and host.

Instant UX analysis for websites and apps.

Web Design & Development Subscription.

Flexible auth for B2B products.

A graphical interface for Git.

A.I. based personas to explore your customer base.

Visualize computer vision.

The ultimate resource for developers.

Central hub for design collaboration.

Developer trends newsletter.

AI Powered Terminal commands manager.

Components, Blocks and Templates for Tailwind CSS.

One Javascript framework for all your front-end needs.

IT automation for JavaScript developers.

Passkey-first authentication for developers.

Deploy Python bots in the cloud with data storage support.

Your new Git-based headless CMS experience.

Realtime configuration & feature flag for web or mobile apps.

Build and Monetize GPT Bots without code

Automate your browser by connecting blocks.

Free, fast, secure and serverless file encryption.

Connect your SQL Database, and tell the chatbot what you need.

Linear streamlines issues, sprints, and product roadmaps. It’s the new standard for modern software development.

AI-backed job seeking platform for app developers worldwide.

Automated AI-powered tools for developers.

32 customizable React & Tailwind components.

Open-source form framework for Vue.

Kubernetes adoption at warp speed.

Load Testing Built for Developers.

No SQL query, just chat with your SQL/NoSQL databases.

Your team's go-to for technical knowledge management.

Fastest way to save 60% on AWS.

Harness the power of AI to generate custom, high-quality Tailwind components with ease.

Build faster, Build more with Next-Gen IDE.

Monitor all your third-party status pages in one place.

Create powerful ML models from 5 data samples.

The Next.js 14+ (App Router) boilerplate that saves you 150+ hours of setup hassle.

Effortlessly export web UI components into TailwindCSS code.

Developer-first AWS infrastructure.

Understand how your product onboarding is performing.

Feedback for modern SaaS.

Open-source testing framework for LLMs & ML models.

You know Postgres, now you know machine learning.

Build and manage backend applications effortlessly.

Open source monitoring and production toolkit for AI apps.

Make your website lightning fast.

Monitor and secure your REST API with ease.

Connect GPTs/Assistant to Slack and Discord.

We specialize in Webflow development and exceptional UI/UX design to make your brand shine.

Visualize and improve OpenTelemetry collector configurations.

The ultimate SaaS starter kit for Nuxt 3.

Test management platform & Issue tracker for agile teams.

Open Source metering for Engineers to collect and aggregate millions of events in real-time.

Produce an ERP system that fits your unique business requirements with Tailor’s unparalleled flexibility and agility.

Effortlessly Generate SDKs, Docs, Demos & Tutorials for your REST API.

Launch your dream project 10x faster.

Create customized Next.js boilerplates with a landing page and blog, complete with your own branding, theme, and selected pages.

The Front-End Checklist Application is perfect for modern websites and meticulous developers!

The Yo! Podcast spotlights incredible designers, developers, makers and entrepreneurs building their own future.

A directory of 4000+ templates & UI kits for the modern stack.

The suite of integrated accessibility tools for your product design and development team.

Learn design and code by building real apps with React and Swift.

Set of Lightview and fully customizable Vue Components optimized for TailwindCSS.

A Vue 3 Component Library. Fairly Complete. Customizable Themes. Uses TypeScript.

Fully styled and customizable components for Nuxt.

A simple modular and accessible component library that gives you the building blocks to build Vue applications with speed.

A lightweight, customizable Vue UI library for mobile web apps.

Mobile UI elements for Vue.js.

The ultimate collection of design-agnostic, flexible and accessible Vue UI Components.

Vuetify is a no design skills required Open Source UI Library with beautifully handcrafted Vue Components.

Quickly integrate Bootstrap v4 components with Vue.js.

A lightweight library of responsive UI components for Vue.js based on Bulma framework and design.

Build high-performance VueJS user interfaces in record time.

A Vue 3 based component library for designers and developers.

Easily build high-performance cordova hybrid mobile apps and PWA using large set of Vue components.

An intuitive UI Components library for building high-quality, developer-friendly, configurable, and accessible Vue.js Design Systems.

A nice collection of often useful examples done in Vue.js.

Low level component library for building accessible high level UI libraries, design systems and applications with React.

A collection of components that will reliably help you build your application in a snap.

An open source component library optimized for fast development, easy maintenance, and accessibility.

A growing collection of hand-crafted & responsive Chakra UI templates ready to drop into your React project.

A library of React Hooks that provides accessible UI primitives for your design system.

Bring your components to life with simple spring animation primitives for React.

A composable charting library built on React components

A React implementation of Spectrum, Adobe’s design system.

A library for creating themeable user interfaces based on constraint-based design principles.

The world's second most popular React UI framework.

Themeable components for React & React Native.

The ultimate collection of design-agnostic, flexible and accessible React UI Components.

A React UI Framework for building ambitious products on the web. Brought to you by Segment.

A React-based UI toolkit for the web.

The official Semantic-UI-React integration.

A design library in use at Elastic to build internal products that need to share our aesthetics.

Transform SVGs into React components.

Explore 3000+ free UI elements: CSS & Tailwind.

A collection of free Tailwind CSS components that can be used in your next project.

A free collection of Tailwind blocks & components.

A tailwind css component library.

Beautiful and responsive UI components and templates for React and Vue with Tailwind CSS.

250 components and templates for React, VueJS and Angular.

Mobile UI components built with Tailwind CSS.

Expertly made, responsive, accessible components in React and HTML ready to be used on your website or app.

An opinionated toast component for React.

A library of animations, sliders, tooltips, accordions, modals, and more!

One branded theme…all the frameworks! UI components that work in React, Vue 3, and Svelte.

A Tailwind plugin for building web applications. It has a set of accessible and reusable components commonly used in web applications.

A repository of free components built with tailwindcss. Every component is responsive and customizable.

Modern - Customizable Tailwind CSS UI components.

CSS-in-JS with near-zero runtime, SSR, multi-variant support, and a best-in-class developer experience.

Completely unstyled, fully accessible UI components, designed to integrate beautifully with Tailwind CSS.

A pure JavaScript library for client-side non-blocking notifications, popup boxes, loading indicators, and more.

A free repository of open source Tailwind CSS components and templates to bootstrap your new apps, projects or landing sites.

A beautiful replacement for JavaScript's 'alert'.

The adaptive interface system for modern web experiences.

404 HTML, CSS, JS components compatible with any CSS framework.

Animated Text with JavaScript and anime.js

Download Free themes and templates used by over 67694 developers and software companies.

Fully Coded UI Tools to create web and mobile apps.

Simple CSS spinners.

CSS spinners collection with Vue.js integration.

Build Your Ajax Loading Icons, Animated Text and More with SVG / CSS / GIF / PNG

A free Twitter Bootstrap Framework design and Theme, this responsive framework includes a PSD and HTML version.

Predefined Material UI components.

Open Source JavaScript Charts for your website.

An Open Source JavaScript visualization library.

Modern, Open Source SVG charts.

Nivo provides a rich set of dataviz components, built on top of D3 and React.

With ProgressBar.js, it's easy to create responsive and stylish progress bars for the web.

A jQuery plugin that lets you subtly change your headers to make them match the content as you scroll.

A lightweight JavaScript class that allows you to animate SVGs, giving them the appearence of being drawn.

The animator's JavaScript toolbox

A JavaScript animation engine for modern browsers.

Create fluid and interactive gradient animations with this small javascript library.

The easiest way to get a parallax effect with javascript.

The most modern free mobile touch slider with hardware accelerated transitions and amazing native behavior.

Detection of elements in viewport & smooth scrolling with parallax effects.

Touch enabled jQuery plugin that lets you create a beautiful responsive carousel slider.

Create badass, fluid and smooth transitions between your website’s pages.

A responsive carousel jQuery plugin that supports multiple breakpoints, CSS3 transitions, touch events/swiping & more.

Lightbox is a script used to overlay images on the current page. It's a snap to setup and works on all modern browsers.

The official website for mojs.

A lightweight JavaScript library for creating particles.

Easily create highly customizable particles, confetti and fireworks animations and use them as animated backgrounds for your website.

A small JavaScript library to create and animate hand-drawn annotations on a web page.

Animate on scroll library.

Chocolat.js enables you to display one or several images staying on the same page.

A lightweight, free and open-source JavaScript library to create stunning touch-friendly 3D parallax hover effects.

An incredibly fast animation engine for motion designers.

A javascript animation library with a professional motion design toolset.

A lightweight, flexible and accessible slider/carousel written in TypeScript. No dependencies, no Lighthouse errors.

A JavaScript animation library from GreenSock that lets you craft high-performance animations that work in every major browser.

Animated website backgrounds in a few lines of code.

Splitting creates elements and adds CSS variables to unlock amazing possibilities for animating text, grids, and more!

A library of ready-to-use, cross-browser animations for you to use in your projects.

Javascript animation engine.

Magic CSS are a set of simple animations to include in your web or app project's.

Round, flat, designer-friendly pseudo-3D engine for canvas & SVG.

Easy-to-use classes that will add different kind of shake to each part of your site.

A collection of CSS3 powered hover effects

A Library to raise your web design without coding.

A free tool that helps you easily create amazing SVG drawing animations by animating stroke and fill properties of your SVG graphics.

The first composable CSS animation toolkit.

Tasty CSS-animated hamburgers.

Collection of CSS loaders and Spinners with their codes.

A new animation library, built on the Web Animations API for the smallest filesize and the fastest performance.

No need to Download Animate.css, Just copy the code.

Create small, reusable CSS that scales as your website grows.

A Banner collection of Tailwind CSS UI blocks containing tons of professionally designed components, templates and themes.

Build modern websites faster with Axentix.

The instant on-demand Atomic CSS engine.

A forward-thinking library of web components.

A design system for building faithful recreations of old UIs.

Full featured framework for building iOS, Android & Desktop apps.

A lovingly crafted CSS Image Hover animation Library.

Highly customizable, drop-in Bootstrap replacement.

A web component for drawing patterns with CSS.

A design system for building faithful recreations of old UIs.

Free, open source, and modern CSS framework based on Flexbox.

Fully configurable utility class generator and CSS framework built for Sass.

The most advanced responsive front-end framework in the world.

A set of small, responsive CSS modules that you can use in every web project.

A simple, extensible CSS framework.

Material Design Lite lets you add a Material Design look and feel to your websites.

Free themes for Bootstrap.

Web based digital tools that work inside your browser.

The fastest way to build effective business software.

Frontend Toolkit helps you organize everything you need in your daily work in one place.

A podcast all about what it's like running a small web software business. The good, the bad, and the ugly.

Weekly shows about software development, developer culture, open source, building startups, AI, and more.

A Tasty Treats Podcast for Web Developers.

Exploring React Native together.

A weekly advice podcast for software developers about the non-technical stuff that goes into being a great software developer.

Make your web pages fast on all devices.

Weekly e-mail roundup of latest css articles, tutorials, tools and experiments.

A once–weekly roundup of the best front-end news, articles and tutorials.

Create responsive, scalable and good looking charts with chartist.js.

Open source HTML5 charts for your website.

HTML5 JavaScript charts built on top of HTML5 canvas element.

DaisyUI adds component class names to Tailwind CSS so you can make beautiful websites faster than ever.

The JavaScript library for bespoke data visualization.

A simple, customizable, and accessible library of React components.

Semantic empowers designers and developers by creating a shared vocabulary for UI.

Flexible, interactive, performant charts for the web made easy.

The most popular front-end framework, rebuilt for React.

Make beautiful websites regardless of your design experience.

A very simple API for drawing line, bar, area and donut charts.

A modern responsive CSS framework based on Material Design by Google.

A fully featured React component library.

A utility-first CSS-in-JS framework built for React.

An lightweight and modular front-end framework for developing fast and powerful web interfaces.

A free repository for community components using Tailwind CSS.

Tailwind CSS is a utility-first CSS framework for rapidly building modern websites without ever leaving your HTML.

An open-source UI component library inspired by Tailwind and AntDesign.

Learn to code by playing games.

Learn css flexbox in a fun and easy way by playing css coding game!

Strap in and take your React applications to the next level.

A visualizer to help you learn how the DOM Event system works through exploration.

The funnest CSS game for web designers & developers.

A fun game to help you learn and practice CSS selectors.

Unlike other tower defense games, you must position your towers using CSS!

Take your frontend skills to the next level by recreating real websites from real companies.

Advance your skills with in-depth, modern JavaScript and front-end engineering courses.

A game for learning CSS flexbox.

From the basics to advanced javascript topics with simple, but detailed explanations.

Learn frontend development through play, repetition, and sleep.

Learn how to design awesome UIs by yourself using specific tactics explained from a developer's point-of-view.

A project-based learning approach in web development, mobile development, game development, machine learning and AI.

Learn to program with our beginner-friendly tutorials and examples.

Community driven roadmaps, articles and guides for developers to grow in their career.

Learn coding from the courses designed by experts with real-world practice.

Learn to code with interactive tutorials.

Learn the fundamentals of testing your JavaScript applications using ESlint, TypeScript, Jest, and Cypress.

Black-belt your web skills. Learn JavaScript, CSS, Node.js, React, Vue.js, Firebase, HTML & more.

Interactive online coding classes for at-home learning.

React example projects for beginners with source code

Learn to code with the world's largest web developer site.

A free book on design patterns and component patterns for building powerful web apps with vanilla JavaScript and React.

Code real projects to improve your skills in Frontend Development.

Learn modern web development with Level Up Tutorials. We teach you the latest web technologies, frameworks, and libraries.

Find the best developer job opportunities in some of the best companies.

Collection of questions and posts can help you improve your JavaScript and Frontend development knowledge.