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An Appcues-powered gallery of UX examples covering onboarding tours, in-app feature announcements, user surveys and signup flows, alongside articles and a podcast featuring product and design experts. It is aimed at people seeking inspiration for mobile and web product experiences.
A cookbook of curl command recipes, created by Browserling, covering common tasks such as making POST and GET requests, adding POST data, constructing query strings, and setting HTTP headers. It also lists arguments for cookies, redirects, authentication, proxies, and saving responses to files.
CheatSheets.zip is a repository of quick reference sheets and cheat sheets for developers, described as crafted by the open community. It lists cheat sheets covering topics such as AI tools, programming languages, operating systems, databases and keyboard shortcuts.
An experimental, largely visual and example-based open source online book about regular expressions. It is intended for regex beginners with some programming experience and covers basics such as character classes, escapes, groups, repetition, alternation, flags, anchors and lookaround. A single-page version is available for printing.
RegexOne provides a set of interactive lessons and exercises to help you learn regular expressions. The lessons cover topics such as matching specific characters, character ranges, optional characters, whitespace and groups, and the site also includes practice problems and language guides.
Remotion is a tool for creating videos and motion graphics with React. It supports using coding agents, bulk rendering, server-side and client-side rendering, and building applications such as a player or editor starter. A free license covers individuals and companies of up to 3 people. System requirements include Node 16 or Bun 1.0.3, with macOS 15 or later required.
Scuttlebutt is a decentralised social network described in its documentation as a secure gossip platform. The site collects video talks and presentations covering the protocol, network, applications, community and culture, including topics such as offline workability, cryptographic authenticity and data ownership.
Server World is a site for people who build network servers with operating systems such as CentOS, Ubuntu, Fedora, Debian and Windows Server. It publishes configuration guides covering Ubuntu installation, NTP and SSH servers, DNS and DHCP servers, and storage servers.
Shortcode.dev is a collection of useful snippets and code examples covering elements, attributes and selectors. Topics include Artisan, Blade, CLI, CSS, Git, HTML, JavaScript, Laravel, Liquid, Markdown, Node, PHP, Vue, WordPress and WP-CLI. The site lists code snippets and links to its repository on GitHub.
An index of independent tech blogs covering JavaScript, CSS, DevOps, Python and related topics, written by people who build things. The page also lists free developer tools and reading maintained by Marko Denic, including web development resources, an article banner tool, a snippet editor, code tools and a JavaScript quiz.
TemplateMo offers over 620 free HTML and CSS website templates, including responsive Bootstrap layouts and AI-customizable pure CSS designs. The templates are described as free for commercial, personal, or learning purposes, and no signup is required. Templates cover categories such as one-page, business, portfolio, and landing pages.
The Algorithms - C++ is a repository of open-source implementations of various algorithms in C++, released under the MIT License. It covers topics including computer science, mathematics, statistics, data science, machine learning and engineering, and is intended as a learning resource for educators and students. The documentation is generated from the source code.
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.
An open-source resource for learning data structures and algorithms through implementations in various programming languages. The site covers programming languages including Python, Java, JavaScript, Go, Rust, and C++, and organizes algorithms into categories such as sorting, searching, and graph algorithms. It also provides guidance on contributing implementations.
Weekly newsletter covering Rust language updates, crates, articles, jobs, and community news.
Tilesetter is a tool for generating complete tilesets from base images and for building and exporting levels to Unity, Godot and GameMaker Studio 2. It offers automatic compositing that updates tilesets from parameters, and map editing that fixes tiles while drawing. The documentation covers version 2.0.0 and older releases.
Tiny Helpers is a collection of free single-purpose online tools for web developers, listed by name and sorted by name or date. The listed tools cover categories such as CSS, color, accessibility, images, code and icons.
UI Resources is a community-run library of UI kits, components, textures, plugins, effects, tutorials, graphics, packs, GFX assets and design tools. It includes resources for Figma and Roblox UI, and documentation covering Roblox Studio UI and Figma workflows.
UseHooks is a collection of modern, server-safe React hooks from the ui.dev team, offered as an npm package. The library covers tasks such as debouncing, local and session storage, window size tracking, media queries, network state, fetch, geolocation, clipboard copying and timers. The site also presents guides for building the hooks yourself.
