ngrok is developer infrastructure that routes and secures traffic to apps, APIs and AI models wherever they run, from localhost to production. It offers an AI Gateway, a gateway to services running anywhere, and localhost sharing. It provides a REST-style API at https://api.ngrok.com, plus client libraries, a CLI and a Terraform provider. A guide covers exposing a local MCP server with a stable public HTTPS URL secured by Traffic Policy.
Color Oracle is a free color blindness simulator for Windows, Mac and Linux that applies a full screen color filter to show what people with common color vision impairments see. The software is open source and version 1.3 was released in 2018.
The GNOME Human Interface Guidelines are design documentation for software built with the GNOME platform, intended for app designers and developers. They cover design principles, resources, guidelines, patterns and reference material, and are meant for use with GTK 4 and Libadwaita.
HTMLRev lists free HTML CSS templates and themes for websites, landing pages, blogs, portfolios, ecommerce and admin dashboards. Templates are grouped by framework, including Bootstrap, Bulma, Tailwind, Angular, React and Nextjs, alongside sponsor promotions.
Animista is a CSS animation library and a playground for ready-made CSS animations. Users can browse and adjust options such as easing, delay and duration, then copy the generated CSS code or download it. The download feature relies on the HTML5 FileSystem API and is supported in Chrome only.
A platform-agnostic specification of the technical features a good website should have, built in the open under an MIT licence. It covers 177 topics across ten areas, including foundations, SEO, accessibility, security, performance and privacy, and offers a yes/no checklist for auditing a site. An open, read-only MCP server lets agents query the specification.
Universe is a developer resource for coding, documentation, communities, security research, or software tools.
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Color Oracle is a free color blindness simulator for Windows, Mac and Linux that applies a full screen color filter to show what people with common color vision impairments see. The software is open source and version 1.3 was released in 2018.
The GNOME Human Interface Guidelines are design documentation for software built with the GNOME platform, intended for app designers and developers. They cover design principles, resources, guidelines, patterns and reference material, and are meant for use with GTK 4 and Libadwaita.
HTMLRev lists free HTML CSS templates and themes for websites, landing pages, blogs, portfolios, ecommerce and admin dashboards. Templates are grouped by framework, including Bootstrap, Bulma, Tailwind, Angular, React and Nextjs, alongside sponsor promotions.
Animista is a CSS animation library and a playground for ready-made CSS animations. Users can browse and adjust options such as easing, delay and duration, then copy the generated CSS code or download it. The download feature relies on the HTML5 FileSystem API and is supported in Chrome only.
A platform-agnostic specification of the technical features a good website should have, built in the open under an MIT licence. It covers 177 topics across ten areas, including foundations, SEO, accessibility, security, performance and privacy, and offers a yes/no checklist for auditing a site. An open, read-only MCP server lets agents query the specification.
Universe is a developer resource for coding, documentation, communities, security research, or software tools.
