🛠️ All DevTools

[Other] This open-source curriculum introduces the fundamentals of Model Context Protocol (MCP) through real-world, cross-language examples in .NET, Java, TypeScript, JavaScript, and Python. Designed for developers, it focuses on practical techniques for building modular, scalable, and secure AI workflows from session setup to service orchestration.

[Other] 《明日方舟》小助手，全日常一键长草！| A one-click tool for the daily tasks of Arknights, supporting all clients.

[Other] Show HN: Embeddable -build interactive experiences you can drop into any website Hi HN, I’m a co‑founder of Embeddable AI.<p>After struggling to add interactive AI experiences to Wix, Shopify, Webflow, WordPress sites, I built this tool to let marketers build chatbots, quizzes or assistants and embed them anywhere with a snippet.<p>Built in React&#x2F;TypeScript front end and Node.js logic engine. It loads fast and works across CMS platforms.<p>I’d love feedback from builders and marketers on use cases, missing features, or integration ideas.

[Other] Show HN: Dataset Explorer – Free tool to search any public datasets Dataset Explorer is now LIVE and FREE.<p>--<p>Finding the right dataset shouldn&#x27;t be this hard.<p>Millions of high-quality datasets exist across Kaggle, data.gov, and other platforms, but discovering the ones you actually need feels like searching for a needle in a haystack.<p>Whether it&#x27;s seasonality trends, weather patterns, holiday data, tech layoffs, currency rates, political content, or geo information – the perfect dataset is out there, but buried under poor search functionality.<p>That&#x27;s why we built the dataset-explorer – a completely free tool that lets you search for datasets using natural language across multiple platforms.<p>Just describe what you want to analyze, and it uses Perplexity, scraping (Firecrawl), and other tools behind the scenes to surface relevant datasets.<p>Instead of manually browsing through categories or dealing with limited search filters, you can simply ask &quot;show me tech layoff data from the past 5 years&quot; and get preview of multiple datasets.<p>Quick demo: I analyzed tech layoffs from 2020-2025 and uncovered some striking insights:<p>- 2023 was brutal – 264K layoffs (the peak year)<p>- Post-IPO companies led the cuts – responsible for 58% of all layoffs<p>- Hardware hit hardest – with Intel leading the charge<p>- January 2023 = worst month ever – 89K people lost their jobs in just 30 days<p>Once you find your dataset, you can analyze it completely free on Hunch . Try it yourself and let us know we can improve it for you.<p>Data explorer - <a href="https:&#x2F;&#x2F;hunch.dev&#x2F;data-explorer" rel="nofollow">https:&#x2F;&#x2F;hunch.dev&#x2F;data-explorer</a><p>Demo link - <a href="https:&#x2F;&#x2F;screen.studio&#x2F;share&#x2F;bLnYXAvZ" rel="nofollow">https:&#x2F;&#x2F;screen.studio&#x2F;share&#x2F;bLnYXAvZ</a>

[Other] Keep your time on track goBeat is a free, time tracking tool made for freelancers. Whether you're a designer, developer, consultant or writer - if you charge by the hour, goBeat helps you track your work, calculate your earnings, and share reports with clients in seconds.

[Other] Modern development control center MayWeb is a modern dev control center that lets you manage Apache, PHP, MySQL, and more from a clean interface. Switch versions, manage databases, view logs, and set cron jobs—all without using the terminal. Simple, fast, and built for developers.

[IDE/Editor] The AI that finds and fixes bugs in your code instantly FixMyBug is an AI-powered coding assistant that helps you detect bugs, debug step-by-step, and prepare for technical interviews — all in one smart editor. Built for developers who want clean, error-free code, fast.

[Other] View and debug dataLayer events in Chrome’s side panel. Monitor, inspect, and debug your website's Google Tag Manager dataLayer events in real-time. View dataLayer pushes, auto-refresh updates, and enjoy a user-friendly interface right in Chrome's side panel for better analytics workflow.

[Other] AI-Powered clinical trial platform Introducing Health Studio's AI powered Clinical Trials Application. Streamline decentralized and digital clinical trials with AI-driven tools, eConsent, and wearable integration on a HIPAA-ready platform.

[Other] Your AI-copilot for web project planning ArchAltect is the AI roadmap generator that helps web developers with project planning, task management, and agile workflow. Transform your project ideas into actionable plans in seconds.

[Other] Your unlimited offline AI Co-Pilot AUM is your fully private enterprise AI brain. Run AI offline on your own infrastructure. Fully private. Fully local. Zero cloud risk. Secure document search, database intelligence, and workflow automation.

[Other] Build, simulate, master digital circuits Empower your engineering journey with DeldSim. Design and simulate digital circuits in your browser. Perfect for labs, practical exams, and hands-on learning.

[Other] Barcode/QRCode generation, Google Auth, Calendar View & more Start from an existing DB, Excel, or blank canvas and build internal tools, business apps, personal databases in minutes. v13 introduces many new features including barcode/qrcode generation, nocode row-level filters, Calendar view, Google Auth & more.

[Other] Build vision/YOLO models fast — without labelling data Simply upload footage, give the vision reactor a goal (e.g., "track cat faces"), click "fission", that's it! Now you download a labelled YOLO dataset and/or train a model. Built for devs, data scientists, and startups moving fast. Bye labelling!

[IDE/Editor] Vs code file linking extension Mention lets you reference files in comments using @paths, turning static docs into clickable, smartly linked documentation, making it easier for teams to navigate code and collaborate faster.

[API/SDK] Seamless user feedback collection A lightweight React Native SDK for in-app bug reporting. Users can record screens or take screenshots, add details, and instantly send reports to Jira, Slack, MS Teams, or Discord. Custom context support via wrapper. Live on npm & GitHub.

[Other] Essential utilities collection | free online tools EZUtil provides a comprehensive collection of essential utilities and tools for developers and users. Create App Store preview images, 3D app promo videos, compress files, and access various productivity tools - all free online.

[Other] Reliable Node.js jobs with PostgreSQL, MySQL or MongoDB Sidequest.js is a job runner for Node.js that works with PostgreSQL, MySQL, SQLite or MongoDB. It runs jobs in isolated threads with retries, priorities, uniqueness and more. No vendor lock-in. Includes a beautiful web dashboard to track everything.

[Other] AI resume builder for developers The AI-powered resume builder designed specifically for software engineers and developers. Create professional, ATS-optimized resumes in minutes—tailored to the tech industry and hiring systems.

[Other] Free temporary email service | disposable email addresses TempMailDrop: Instantly generate disposable email addresses with one click-no signup needed. Use for secure online registrations and complete privacy. Avoid spam and protect your real inbox with our fast, reliable temp mail service. No signup needed!