Free Tools
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Type-safe GraphQL server library for Go with schema-first code generation
Build GraphQL APIs in Python with a simple, extensible framework that integrates with Django, SQLAlchemy, and App Engine
React-native animation library with spring physics that runs without re-rendering, supports SSR, and targets web, native, Three.js, Konva, and Zdog.
Generate perfect favicons for every browser and device with instant previews, SVG support, and automatic HTML markup
Create high-resolution favicons and site icons directly in your browser with an HTML5 canvas-based editor.
A simpler static site generator that compiles templates into fast, zero-client-JavaScript output sites.
Host websites directly from your GitHub repository. Edit, push, and your changes go live — with support for custom domains, Jekyll blogging, and Markd...
Query any API using GraphQL: unify REST, gRPC, SOAP, OData, and databases into a single federated graph schema.
Free, instant virtual whiteboarding with collaboration, no signup required.
Simplify your development workflow with a GUI for Git that lets you review changes, manage commits, and stash work-in-progress without the command lin...
Check WCAG 2.0 AA/AAA color contrast ratios and find the closest accessible color alternatives instantly.
Build beautiful, usable digital products faster with an open-source design system backed by Google
An open-source JavaScript visualization library for building interactive, high-performance charts in the browser with declarative configuration and re...
A free and open-source browser for web developers to preview responsive designs across multiple devices simultaneously, with mirrored interactions and...
Analyze any website's CSS to see file sizes, colors, typography, specificity scores, and compression rates in a visual dashboard.
Free favicon generator that creates .ico and .png icons for desktop, iOS, Android, and Windows Metro tiles with transparent PNG support and ready-to-u...
Generate a free, complete favicon package from text, image, emoji, or SVG — download ICO, PNG, Apple Touch Icon, Android icons, and manifest in one ZI...
Create, publish, and share interactive data visualizations for free on the public web.
Open source automation server for building, testing, and deploying software with hundreds of plugins and distributed build support.
Turn plain text into static websites and blogs with no databases, no updates, and free GitHub Pages hosting
