Pure.css purecss.io

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

Medium’s CSS is actually pretty good. medium.com

by Jacob Thornton

Materialize materializecss.com

A modern responsive front-end framework based on Material Design.

GitHub's CSS markdotto.com

by Mark Otto

Mdo-ular CSS jqueryuk.com

watch: 30:06 - Mark Otto @ jQuery UK.

Chota jenil.github.io

A responsive, customizable micro-framework (3kb) with helpful utilities and a grid system.

Lonely Planet ianfeather.co.uk

by Ian Feather

Google HTML/CSS Style Guide google.github.io

by Google

Official Trello CSS Guide gist.github.com

by Bobby Grace

Flexbox Patterns flexboxpatterns.com

by cjcenizal

BEM en.bem.info

How we do CSS at Ghost dev.ghost.org

by Paul Davis

CSS Guidelines cssguidelin.es

by Harry Roberts

CSS Grids videos tutorial cssgrid.io

Free video course by Wes Bos to learn CSS Grids.

Code Guide codeguide.co

by Mark Otto

Charts.css chartscss.org

CSS data visualization framework.

Refining The Way We Structure Our CSS At Trello blog.trello.com

by Bobby Grace

AgnosticUI agnosticui.com

Accessible CSS component primitives that also work with React, Vue 3, Svelte, and Angular.

Yellow Lab Tools yellowlab.tools

Online quick and easy tool that audits frontend bad practices, reveals performance issues, and profiles JavaScript.

WPOStats wpostats.com

Case studies and experiments demonstrating the impact of web performance optimization (WPO) on user experience and business metrics.

Web.dev web.dev

Get the web's modern capabilities on your own sites and apps with useful guidance and analysis from web.dev.

User Timing w3.org

This specification defines an interface to help web developers measure the performance of their applications by giving them access to high-precision timestamps.

Resource Timing w3.org

This specification defines an interface for web applications to access the complete timing information for resources in a document.

Navigation Timing Level 2 (W3C) w3.org

Use responseStart and requestStart to derive Time to First Byte (TTFB).

Tinypng tinypng.com

Advanced lossy compression for PNG images that preserves full alpha transparency.

Pingdom pingdom.com

A tool to get the uptime of your website (with probes from different locations).

Pingbreak.com pingbreak.com

Free site and SSL Monitoring with response time alerting (on Slack, Twitter, Mattermost, Discord or custom Webhook).

Web Components in Action manning.com

Ben Farrell.

Locust locust.io

An open-source load testing tool. Define user behaviour with Python code, and swarm your system with millions of simultaneous users.

Lightest App lightest.app

Webpage load time is extremely important for conversion and revenue. Visualize web performance against competitors.

Apache JMeter jmeter.apache.org

Open source load testing tool: It is a Java platform application.

SVG OMG jakearchibald.github.io

SVGOMG is SVGO's Missing GUI, aiming to expose the majority, if not all the configuration options of SVGO.

ImageKit.io imagekit.io

Intelligent real-time image optimizations, image transformations with a global delivery network and storage.

Disc hughsk.io

Visualise the module tree of browserify project bundles and track down bloat.

Designing for Performance: Weighing Aesthetics and Speed designingforperformance.com

Lara Hogan.

Bundlephobia bundlephobia.com

Helps you find the performance impact of adding an npm package to your frontend bundle.

F# Software Foundation fsharp.org

Main website.

Rosettacode rosettacode.org

Provides examples in different languages, including esoteric languages.

Software Foundations softwarefoundations.cis.upenn.edu

Series of Coq-based textbooks on logic, functional programming, and foundations of programming languages, aimed at being accessible to beginners.

Nix nixos.org

Package manager for Linux and other Unix systems, supporting atomic upgrades and rollbacks.

Mathematical Components math-comp.github.io

Formalization of mathematical theories, focusing in particular on group theory.

Formal Reasoning About Programs adam.chlipala.net

Book that simultaneously provides a general introduction to formal logical reasoning about the correctness of programs and to using Coq for this purpose.

Q# Community qsharp.community

Community contributed libraries, projects, and demos for the Q# language.

Learn Quantum Computing with Python and Q# manning.com

Manning, 2021, Sarah Kaiser and Chris Granade.

Q# Dev Blog devblogs.microsoft.com

Official blog of Q# dev team.

Microsoft Quantum Blog cloudblogs.microsoft.com

Official blog of Microsoft Quantum team.

libera-chat-ada libera.chat

Ada channel at IRC.

CDR cdr.common-lisp.dev

Common Lisp Document Repository.

Starling gamua.com

High-performance 2D graphics engine built on Stage3D. API identical to Flash API. (github, help).

Feathers UI feathersui.com

User interface components for Starling Framework (github, help).