Issue #639  (CSS/HTML, AI Tools, Uncats)10/16/25

CSS & HTML Tools

ColorMate — A suite of three color tools that includes a palette generator, custom gradient creator, and a tool to extract colors from any image.

formcn — A visual tool to build styled HTML forms powered by shadcn/ui, with an option to start from a blank form, and also choose from a simple form or a multi-step type.

Scanbot Document Scanner SDK — Your partner for data capture. Deliver fast, secure and intuitive document scanning to your users. Want to see it in action? Try our demo app or request a free 7-day trial license. SPONSORED

hx-optimistic — An htmx extension for optimistic UI updates with automatic rollback on errors, able to be combined with speculation rules and the View Transitions API for an app‑like experience with minimal JavaScript.

Symbol.so — A categorized and searchable resource for finding just about any symbol to insert into your pages, with option to copy the symbol in 7 text formats or as a PNG or SVG graphic.

Harmonizer — An AI-powered web tool to create consistent and accessible color palettes, designed to overcome some of the problems with design system colors.

Size Matters — A multi-step type scale generator that allows you to set your base size, choose a ratio, and define how many steps you need above and below the base.

CSS-Questions — An interactive resource of 200+ questions on CSS, covering basic selectors to advanced topics like pseudo-classes, cascade layers, and container queries, to brush up on your CSS knowledge.

ASCIIFlow — A visual web tool that allows you to draw graphics to export in ASCII format, with option to choose ASCII basic or extended for the output.

AI Tools, LLMs, etc.

ai-digest — A CLI tool to aggregate your codebase into a single Markdown file for use with Claude projects or custom ChatGPTs.

am-i-vibing — A JavaScript utility or CLI that detects agentic coding environments and AI assistant tools, enabling CLI tools and Node.js apps to detect when they're being executed by AI agents.

stackoverflow.ai — An AI-powered search engine from Stack Overflow that combines AI results with the Stack Overflow community, for instant answers that are based on Stack Overflow's archive.

n8n-MCP — An MCP server that provides AI assistants with comprehensive access to n8n node documentation, properties, and operations.

Techpresso — Get a daily rundown of what's happening in tech and what you shouldn't miss, read by 400,000+ professionals from Google, Apple, OpenAI, and more. SPONSORED

Coding Agent Template — A template for building AI-powered coding agents that supports Claude Code, OpenAI's Codex CLI, Cursor CLI, Google Gemini CLI, and opencode with Vercel Sandbox, to automatically execute coding tasks on your repositories.

Checkpoints for Claude Code — A native app for Mac that provides automatic version control for Claude Code projects, with automatic change detection, one-click snapshots, visual diffs, and more.

IsAgent — A lightweight SDK for building agent-specific experiences in your app, enables you to detect whether a client is likely an AI agent or a human user using an agent detection API.

openapi-typescript-server — A CLI and minimal runtime library that helps you implement type-safe APIs documented by OpenAPI.

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The Uncategor­izables

Dev Tools — A suite of 22 web-based tools for developers, including generators, file converters, encoders/decoders, JSON utilities, and more, with option to use keyboard shortcuts to navigate the pages.

Redirector — A browser extension (Firefox, Chrome, Opera, Edge) to redirect URLs based on regex or wildcard patterns, like a client side mod_rewrite.

Snippets Library — A modern code snippet manager for developer collaboration, helping you store, organize, and share code snippets with beautiful syntax highlighting, instant search, and public/private sharing.

Intl Playground — An interactive web-based tool that allows you to get familiar with how the Intl.DateTimeFormat object works with all of its different options.

Autumn — A service to integrate Stripe payments, usage tracking, and feature gating in 100x fewer lines of code, free for up to $8000 monthly revenue and up to 10 products.

Seven Point Sunday — Get 7 ideas to build your career every Sunday. Life hacks, passive income, AI prompts, book/music picks. From Kabir Sehgal, 16x Grammy winner and NYT bestselling author. SPONSORED

WunderGraph Cosmo — A lifecycle API management platform tailored for Federated GraphQL that encompasses everything from Schema Registry, composition checks, and analytics, to metrics, tracing, and routing.

bknd — A fully functional backend for database management, authentication, media, and workflows, that's based on web standards and can be deployed almost anywhere.

Windows Subsystem for Linux — Recently open sourced, this is a way for you to run your Linux CLI tools, utilities, and applications directly on Windows without the overhead of a traditional virtual machine or dual boot setup.

Commercial Apps & Classifieds