Sites like fluenticons.co

Iconoir, a free open-source library of SVG, font and React icons for designers and developers, with a changelog and contribution guide

Mock Service Worker, an API mocking library for browser and Node.js JavaScript, with documentation and guides for intercepting network requests

Tabler, an open-source Bootstrap-based UI kit, with documentation, a 5,000-plus outline icon set and HTML email templates, maintained by Paweł Kuna

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

vis.js community edition: a JavaScript library for interactive network, timeline, graph and dataset visualizations in the browser

The Rollup JavaScript module bundler's official website, with documentation, FAQs, an online REPL and browser build guides

Mockuptemplate, a collection of free online design tools for creatives, covering mockup templates, colour pickers, palette and gradient generators, and CSS tools

Adrien Coquet's portfolio of free typefaces and icon design, from a Lille-based freelance graphic designer

A free open source library of 3D icon renders created in Blender, with a Figma plugin, by designer @realvjy

Raycast, a macOS launcher app with productivity tools, extensions and AI chat, with legal and FAQ pages

A color name lookup tool that matches HEX, RGB or HSL codes to over 31,000 named colors

A directory of over 400 design tools and resources for digital designers, with a weekly newsletter round-up

Ethical Design Guide, a resource directory on accessible and inclusive technology design and the politics of data and algorithms

Zed, an open-source multiplayer code editor from Zed Industries with optional AI agent integration and the Agent Client Protocol

A documentation site for pytest, the Python testing framework, with a list of talks, books and tutorials about it

A web tool that checks whether foreground and background colour pairs meet WCAG contrast levels

A web-based motion graphics editor for creating animated videos in the browser, named Motionity, available on desktop computers only

A free online tool that trims blank space from SVG files by uploading, dropping or pasting markup

Filament, a PHP admin panel framework's documentation, themes and tutorials site for building Laravel application interfaces

Spatie, a Belgian web development studio building Laravel and AI applications, courses and open-source PHP packages, with a blog and docs

DB Browser for SQLite, an open source visual tool for creating, searching and editing SQLite and SQLCipher database files

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

Free Download Manager, a free download accelerator and organizer for Windows, macOS, Android and Linux, with torrent support

A curated gallery of UI design inspiration and web interface patterns for designers and developers, run by a single maker

Colorffy, an online tool for generating, customizing and exporting CSS color palettes, gradients and dark UI themes

Anagram Design, a blog and free download site of mockups, presets and design assets by graphic designer Anagram owner

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

A frontend web development newsletter, Web Weekly, covering browser features and web platform news, with no named author

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

A curated directory of 2,401 hand-picked design tools and resources, with search, deals and an AI endpoint, since 2019

Stefan Judis's blog on web development, with articles, tips, learning notes and a weekly newsletter

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

Variable Fonts is a catalogue and guide to OpenType variable typefaces, with specimens, notes on each font's design and makers

UX Design Weekly, a weekly newsletter of curated user experience design links, compiled by Kenny Chen and sent every Monday