Sites like fontenddev.com

Mastershot, a free in-browser toolkit for compressing, trimming and converting video, image and audio files, by Jacob Beckerman

Free game assets, tools and games by Kenney, a studio producing 2D and 3D art for game developers

Erik Houdini's personal site with poems, a magazine, music, merch, a credo and small web tools

A font designer's portfolio site selling typefaces, including Advent fonts, via Etsy and Buy Me a Coffee links

A free SVG tutorial site teaching how to draw shapes, paths, transforms and icons in HTML, organised as a daily course

Parcel, a zero-configuration JavaScript build tool for the web, with release announcements and blog posts from its team

Emmet, a plugin toolkit for writing HTML and CSS faster in text editors, by developer Sergey Chikuyonok

A JavaScript UI library site for Preact, a small React-like framework, with its blog, docs and branding pages

A free, open-source, non-profit web search engine called Mwmbl, with its own crawled index and public statistics

A JavaScript toolkit, gulp.js, for automating build workflows with composable streaming tasks and plugins, documented through its project website

A guide, titled "Run your own social", on setting up a small social network server for friends using software like Mastodon

Prettier, an opinionated code formatter for JavaScript, CSS, Markdown and other languages, with editor and CI integrations

ESLint project website: documentation, playground and team pages for ESLint, the pluggable open-source JavaScript linter

A JavaScript testing framework named Jest, documented on its official site, with French and English pages and community help

Godot Engine, a free open-source 2D and 3D game engine with a project blog and forum, with news by Thaddeus Crews and others

Yarn, a JavaScript package manager; its documentation and API reference for the @yarnpkg packages

Can I use..., a reference site of browser support tables for web features such as HTML5, CSS3 and JavaScript

Chris Burnell's personal blog on front end development and CSS, plus his résumé, by a Halifax-based developer

Personal website of Ophanimkei, with PHP guides, media logs, diary entries, art archives and an askbox, by its owner Mala

The official website of Vue.js, the open-source JavaScript framework for building web user interfaces, with its API reference and documentation

A free open-source CDN serving popular JavaScript, CSS and font libraries, with an API and library catalogue

MelonLand Project, an online arts community celebrating homepages, virtual worlds and early web culture, run as a web project

Eleventy, an open-source static site generator for JavaScript developers, with documentation, blog posts and community author pages

A free online tool for resizing and cropping many images at once in bulk, built by a developer behind BIRME

The Cave of Dragonflies is a personal Pokémon fan site with news, game mechanics research, FAQs and fun pages by its creator

David C. Lovelace's personal site of comics, music, games, art and animation, with updates, a commission shop and DVDs

jsDelivr is a free open source CDN service delivering JavaScript, ESM modules and other files from npm and GitHub

Shutter Encoder, a free open-source video converter, compressor and editor software for Windows, macOS and Linux, with plugins

Damien Guard's personal blog on software development, typography and vintage computing, with EF Core and VTX5000 articles

Viktor's personal blog on search engines, web tools, self-hosting and small-web projects, with posts in English

A Spanish and Portuguese documentation site for Socket.IO, a library for real-time bidirectional communication between clients and servers

A web-based virtual pet site where users customize, grow and share tamaNOTchi pets on their blogs or websites

GB Studio is a drag-and-drop game creation tool for making Game Boy games, with visual scripting and no coding required

Mixxx, a free open-source DJ mixing software application, run by the Mixxx e.V. nonprofit association in Germany

A online museum cataloguing screenshots and videos of old websites, apps, software and Flash games from the 1990s to late 2000s

A free online toolset for creating and editing animated GIFs, with conversions for WebP, APNG and AVIF formats

Blog by web standards leader Lea Verou on CSS, web design, icons and open source developer tools

CSS Portal is a website of CSS and HTML generators, tools, quizzes and a blog for web developers

Cinni's personal homepage of art, Furcadia dreamweaving, Petz 4 mods and a book library, by a hobbyist named Cinni

Open source self-hosted live streaming server software called Owncast, with built-in chat, notifications and fediverse support

Sindre Sorhus's website presents his Mac, iOS and open-source apps, such as the Aiko transcription tool and Dato menu bar calendar

A community tilde.club server hosting personal pages, including a Queer Métis writer and web developer's blog, a link list, and personal sites

Personal site of software engineer Mario Ranftl with notes on software engineering, system design, and web development

A collection of small web tools that break tasks into steps, rewrite text, and suggest meals