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Collect image colours and compare nearby colour-system references.

Adjust text and background colours while checking their contrast.

A browser IDE that pairs a cloud Linux workspace with a code editor, terminal, and server tools.

Web-technology UI controls for mobile application interfaces

Control gradient colour positions and the transitions between them.

Web patterns, tokens and components for Swiss Post experiences

Cloud browsers and web data APIs for AI agents and data teams

Practical visual-design tactics explained for developers

Free AI tool that erases unwanted objects from photos in the browser

Compose linear, radial or conic gradients and copy the CSS.

Edit code on iPhone or iPad with broad syntax highlighting, remote file access, and an SSH terminal.

Record, replay, and inspect UI tests for desktop, web, and mobile applications.

Build and deploy full-stack web projects with Git integration and preview environments.

Format and lint web-project files with a shared command-line toolchain.

Describe mobile and web UI journeys as YAML flows and run them on a real or virtual target.

A Ruby framework for building database-backed web applications with conventional project structure.

Collect notes, web research, tasks, and reference material in a searchable workspace.

A desktop HTML and CSS editor that keeps the rendered page and source code in sync.

The Dart SDK supplies libraries and command-line tools for Dart web, server, and command-line apps.

Audit individual web pages and turn failed checks into concrete optimization leads.

A self-hosted dashboard for installing and maintaining packaged web applications on your server.

A small-web search engine with a stated 48-hour log limit

Provision self-hosted development workspaces that developers can open through a browser IDE or desktop editor.

A compact SVG set controlled through stroke properties.