800+ Free Developer Resources for 2025

A constantly updated collection of beautiful SVG illustrations that you can use completely free and without attribution. Perfect for websites, apps, and presentations.

Free online book teaching practical Python programming for total beginners. Learn to automate everyday tasks like file organization, web scraping, and email sending.

Learn to code for free. Build projects. Earn certifications. A non-profit community with thousands of tutorials, articles, and interactive coding lessons covering the full stack.

The ultimate resource for web developers, maintained by Mozilla and contributors. Provides detailed information on open web standards, including HTML, CSS, and JavaScript.

A utility-first CSS framework for rapidly building custom user interfaces. Highly customizable, low-level, and comes with a fantastic Just-in-Time engine.

Beautifully designed components that you can copy and paste into your apps. Accessible. Customizable. Open source. Not a component library, but a collection of re-usable components.

An all-in-one platform for frontend developers. Deploy modern web projects with zero configuration. Includes serverless functions, analytics, and a global edge network.

Platform for modern web development. Build, deploy, and manage fast, secure sites and apps. Offers serverless functions, forms, and identity services.

Google's platform for building web and mobile apps. Provides a real-time database, authentication, hosting, and cloud functions with a generous free plan.

The open source Firebase alternative. Instantly create a backend with a Postgres database, authentication, instant APIs, edge functions, and storage.

A curated list of free APIs for use in software and web development. Explore APIs for everything from animals and anime to weather and finance. Maintained on GitHub.

Free fake REST API for testing and prototyping. Get placeholder data for users, posts, comments, and more without setting up your own server. Perfect for demos.

The ultimate API platform for developers to design, build, test, and iterate on their APIs. The free plan is perfect for individuals and small teams starting out.

Powerful and easy-to-use APIs to accept payments and manage your business online. The test mode is fully featured and free to use for development and integration.

The internet's icon library and toolkit. Get vector icons and social logos on your website with a single line of code. Generous free plan with thousands of icons.

Making the web more beautiful, fast, and open through great typography. A massive library of open-source designer web fonts, completely free to use.

A collection of simply beautiful open-source icons. Each icon is designed on a 24x24 grid with an emphasis on simplicity, consistency, and readability.

A flexible icon family for interfaces, diagrams, presentations — whatever, really. 6k+ icons, 6 weights, and easy-to-use webfont or React/Vue libraries.

Collaborative interface design tool that works in the browser. Create designs, prototypes, and collaborate in real-time. Free tier includes 3 Figma files.

Easy-to-use graphic design platform with templates for social media, presentations, posters, and more. Free tier includes access to thousands of templates.

Free and open-source image manipulation program. Full-featured photo editing with support for layers, filters, and professional tools.

Create color themes and palettes with the color wheel. Extract colors from images and explore trending color combinations from the community.

Test websites and mobile apps across real browsers and devices. Free tier includes limited testing minutes on multiple browser and OS combinations.

Analyze website performance and get recommendations for optimization. Free tier includes performance reports, PageSpeed insights, and YSlow analysis.

Desktop application for testing REST and GraphQL APIs. Free version includes all core features for API design, debugging, and testing.

Find and fix problems in JavaScript code. Pluggable linting utility with configurable rules to maintain code quality and consistency across projects.

All-in-one workspace for notes, tasks, wikis, and databases. Free tier includes unlimited pages for personal use with basic features.

Visual project management tool using boards, lists, and cards. Free tier includes unlimited personal boards and up to 10 team boards.

Team communication platform with channels, direct messaging, and app integrations. Free tier includes 90 days of message history.

Simple time tracking for teams and freelancers. Free tier includes time tracking for up to 5 users with basic reporting features.

Build mobile apps using React. Create native iOS and Android applications with JavaScript and React. Share code between platforms while maintaining native performance.

Google's UI toolkit for building natively compiled applications. Single codebase for mobile, web, and desktop with expressive and flexible UI.

Official IDE for Android development. Includes code editor, debugger, performance tooling, and emulator. Built on IntelliJ IDEA with Android-specific features.

Platform for universal React applications. Build and deploy React Native apps with ease. Includes development tools, build services, and app store deployment.

Open-source machine learning framework by Google. Build and deploy ML models with comprehensive tools for research and production.

Open-source machine learning library developed by Facebook. Dynamic neural networks with GPU acceleration and research-focused design.

World's largest data science community with competitions, datasets, and learning resources. Free access to GPUs and a collaborative environment.

Natural language processing models and datasets. Free access to state-of-the-art transformer models, datasets, and ML model hosting.