Weekly Web Design & Development News: Collective #621
Everything you need to know in development & design this week, rounded up for you (Week 37, 2025).
You'll find the most essential things right now: Javascript & CSS libraries, useful code snippets, crucial web dev news & resources, curated AI tools, free design assets, and plenty of other good stuff we found!
Highlights:
- ️ Make your web app smarter with Obs.js, a library that adapts to the user's device, network, and battery status.
- Get the beauty and simplicity of shadcn/ui components right inside your Django projects.
- Discover
exe
, a fascinating tool that packs your entire web app into a single executable binary. - Instantly generate royalty-free sound effects for your projects using AI from ElevenLabs.
- Meet Kimi-K2, a new AI coding model built for speed with a massive 256k context window.
- Grab the official Nuxt.js UI Design Kit for Figma, packed with over 100 components and templates.
- Animate your buttons with a slick RGB glow effect using only CSSno JavaScript required.
- 35 other great resources, libraries, and tools
- 15 design freebies, AI helpers, and must-read articles
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JavaScript & CSS
Obs.js - Optimize Web Apps Based on Users’ Device, Network, and Battery Status.
usal - Tiny Framework-Agnostic Scroll Animation Library.
defaults.css - Modern CSS Reset Under 1KB for Clean Code.
VikCraft-Gantt-Chart - Interactive Gantt Charts in Vanilla JavaScript.
FuseNotify - Customizable Toast Notifications with Burning Fuse Countdown Animations.
DoubleRange - Accessible Dual-Thumb Range Slider for Web & Mobile.
gridslider - Responsive, Mobile-friendly Carousel Slider with CSS Grid.
czSignature.js - Mobile-friendly & Pressure-Sensitive JavaScript Signature library.
RGB-Button - A reusable, framework-agnostic CSS button with an animated RGB glow border, no JavaScript.
ssgoi - Add App-Like Page Transitions to Web Apps.
shadcn-ui-animated-tabs - Animated shadcn/ui Tabs for Next.js Apps.
shadcn-django - Beautiful UI Components for Django Applications.
shadcn-dialog - Create Nested & Drag-to-dismiss Modals.
mermaid - Svelte Mermaid Component with SSR and Theming.
create-next-quick - Quickly Start Next.js Apps.
NativeUI - 35+ Copy-Paste UI Components for React Native.
soldevkit - Solana dApp UI Components with Tailwind CSS.
react-native-remark - A simple yet powerful agent framework that delivers with open-source models.
react-web-camera - React Web Camera Component for Multi-Image Capture.
liquid-glass-rn-skia - Apple Liquid Glass Effect with React Native Skia.
react-native-onboarding-flow - Custom Onboarding with Video & Paywalls in React Native.
liquid-glass-vue - Apple Liquid Glass Effect Component for Vue 3 Apps.
use-mcp - Connect React Apps to MCP Servers with use-mcp Hook.
mediabunny - Pure TypeScript media toolkit for reading, writing, and converting video and audio files, directly in the browser.
ripple - The elegant TypeScript UI framework
agents-starter - A starter kit for building ai agents on Cloudflare.
untitledui-js - Browse 1100+ Untitled UI–style icons — framework-agnostic, fully customizable, free, open-source, with optional Motion animations.
Discover more JavaScript & CSS Libraries →
Web Dev Tools & Resources
Free Markdown to HTML Converter - Free, privacy-first, AI content friendly Markdown to HTML converter.
Termix - A web-based server management platform with SSH terminal, tunneling, and file editing capabilities.
Military Time Converter - Convert between 24-hour military time and standard 12-hour format instantly.
Cronicle - A simple, distributed task scheduler and runner with a web based UI.
gonzo - The Go based TUI log analysis tool.
Browserable - Open source and self-hostable browser automation library for AI agents.
exe - Pack your web app as a single executable binary with zero runtime dependencies.
texture-ripper - Extract and flatten textures from perspective images.
feedsmith - Fast, all-in-one parser and generator for RSS, Atom, RDF, and JSON Feed, with support for Podcast, iTunes, Dublin Core, and OPML files.
zanshin - A novel media player that allows you to navigate by speaker.
zanshin - A novel media player that allows you to navigate by speaker.
Graphic Design Freebies
Nuxt.js Official UI Design Kit - The Nuxt UI Design Kit includes over 100 customizable components, premium templates, and full design token implementation using Figma variables.
Carnoll Handwritten Font - A handwritten font that combines casual style with polished execution.
Free Pastel Frosted Glass Icons - 60+ Free Pastel Frosted Glass Icons in Figma.
Discover more Graphic Design Freebies →
Curated AI Tools for Developers and Designers
Shotgun CLI - Generate Codebase-Aware AI Specs for Claude Code & Cursor.
IC-Custom - Free AI-powered Position-Aware Image Customization Tool.
ElevenLabs SFX - Create Royalty-Free Sound Effects.
Telex - Build Custom WordPress Gutenberg Blocks with AI.
Meetingnotes - Free Open-Source AI Notetaker for Mac Users.
Query GPT - Free AI Transforms Questions into Perfect SQL Queries.
A01 - Free AI News Agent That Tracks Any Topic You Care About.
Agent-C - Tiny Open-source AI Agent for Shell Commands.
EmbeddingGemma - Tiny Open-source AI Agent for Shell Commands.
Kimi-K2-Instruct-0905 - 200+ T/s, $1.50/M tokens, 256k context window, built for coding.
News & Articles
What You Need to Know About CSS Color Interpolation (Link)
The Fundamentals of CSS Alignment (Link)
Google Chrome at 17 - A history of Chrome browser (Link)
Why do browsers throttle JavaScript timers? (Link)
5 tips for writing better custom instructions for Copilot (Link)
Should you preload fonts for performance? (Link)
JavaScript & CSS Snippets
Staggered physics grid on click
See the Pen Staggered physics grid on click by Zach Saucier (@ZachSaucier) on CodePen.
Magic Card
See the Pen Magic Card by WebVision (@dspstudio) on CodePen.
Day & Night Sky Gradients
See the Pen Day & Night Sky Gradients by Rem (@remino) on CodePen.
World Clock Slider
See the Pen World Clock Slider by Jon Kantner (@jkantner) on CodePen.
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