JavaScript Tools
34 best JavaScript tools and apps, curated and ranked by community upvotes on ProductCool. Updated daily as new JavaScript products launch.
OpenAI Plugins
📱 Display and control your Android device graphically with scrcpy.
Camofox Browser is a drop-in replacement for Puppeteer and Playwright designed to bypass modern anti-bot systems like Cloudflare. It solves the critical problem of AI agents and scrapers being blocked by sophisticated detection mechanisms. It's built for developers and AI engineers who need reliable, automated browser interactions without getting flagged.
Stremio Web is a modern media center that aggregates video content from various online services and local libraries into a single, unified interface. It solves the problem of juggling multiple streaming apps and subscriptions by bringing everything together in one place. It's designed for users who want a seamless, organized, and customizable streaming experience across all their devices.
OpenWhispr is a privacy-first, cross-platform dictation app that converts speech to text. It solves the problem of slow typing and privacy concerns by offering fast, local transcription using models like Nvidia Parakeet/Whisper, as well as optional cloud models. It's designed for professionals like clinicians, lawyers, and anyone who needs efficient, secure voice-to-text functionality in applications like Slack, meeting notes, and document creation on macOS, Windows, Linux, and iOS.
This is a library of 50 open-source marketing skills for AI agents like Claude Code, Codex, and Cursor. It solves the problem of democratizing advanced marketing expertise—like CRO, SEO, and analytics—by encoding it into skills AI agents can use. It's built for technical marketers, growth engineers, and founders who want to leverage AI for scalable marketing execution.
Everything Claude Code is a comprehensive toolkit providing agents, commands, skills, rules, and hooks designed to integrate Claude's AI capabilities directly into the development workflow. It solves the problem of fragmented AI assistance by offering a unified, productive environment for coding tasks, from issue analysis to code review. This toolkit is for developers and teams who want to leverage Claude for faster, higher-quality code generation and maintenance within their existing tools and processes.
htmx is a lightweight JavaScript library that allows you to access AJAX, CSS Transitions, WebSockets, and Server-Sent Events directly from HTML attributes. It solves the problem of building modern, dynamic web interfaces without the complexity of large JavaScript frameworks by completing HTML as a hypertext. It's for developers who want to create interactive user interfaces with simple, declarative HTML while keeping their codebase small and maintainable.
God's Eye View is a browser-based spy satellite simulator that visualizes real, live open-source spatial intelligence data. It solves the problem of accessing and understanding complex geospatial information by presenting it on an interactive, photorealistic 3D model of Earth. This tool is for developers, analysts, journalists, and anyone interested in real-world mapping, surveillance technology, and global data visualization.
CMEM Cloud is a persistent memory layer for AI agents that captures, compresses, and recalls context across sessions. It solves the problem of agents forgetting past decisions and repeating work, by creating a shared, searchable memory for your entire team. It's for developers and teams using AI coding assistants like Claude Code, Cursor, and Copilot who want their agents to learn from history and collaborate seamlessly.
Ponytail is a ruleset for AI coding agents that enforces a 'lazy senior dev' mindset, drastically reducing over-engineering. It makes your agent stop at the first, simplest working solution—reusing existing code, leveraging standard libraries, and avoiding speculative features. It's for developers who want their AI assistants to produce minimal, maintainable, and robust code without unnecessary complexity.
这是一个专注于AI绘画(如DALL·E、Midjourney)的工业级提示词引擎与模板库。它通过逆向工程470多个高质量案例,提炼出20多套可直接用于生产的模板和结构化技能(Skills),解决了用户难以编写有效、稳定、符合工业标准的AI绘画提示词的痛点。该项目非常适合AI绘画爱好者、内容创作者、设计师以及任何需要批量生成高质量、风格一致图像的专业人士使用。
Ghost is a powerful, independent technology platform for professional publishers, creators, and businesses. It solves the problem of fragmented tools by providing an integrated suite to build a website, publish content, send newsletters, and monetize through memberships and subscriptions. It's designed for YouTubers, bloggers, journalists, modern brands, and developers who want complete control over their brand and business.
TypeScript is a strongly typed superset of JavaScript that compiles to plain JavaScript. It solves the problem of writing reliable, maintainable code at scale by catching errors during development and providing superior editor tooling like autocompletion and refactoring. It's designed for JavaScript developers and teams building large-scale applications who want the flexibility of JavaScript with the safety and productivity of static types.
PostHog is a comprehensive developer platform that consolidates analytics, session replay, feature flags, experiments, and more into a single context warehouse. It solves the problem of fragmented product data by unifying all customer context, enabling teams to automatically diagnose issues, uncover opportunities, and ship fixes. It's built for product and engineering teams who want to move from reactive analytics to proactive, AI-driven product development.
Immich is a high-performance, self-hosted solution for managing your personal photo and video library. It solves the problem of relying on cloud services by giving you full control and privacy over your media. It's designed for individuals and families who want to automatically back up their mobile photos and videos to their own server, with a user experience similar to Google Photos.
career-ops is an open-source AI job search system that runs locally on your machine inside any AI coding CLI. It solves the problem of manual, time-consuming job hunting by automatically scanning portals, evaluating listings against your CV with a structured rubric, and tailoring application materials. It's built for developers and technical professionals who want a private, powerful, and automated way to manage their job search pipeline directly from their terminal.
ToolJet is an open-source, low-code platform for rapidly building and deploying internal business applications, dashboards, and AI agents. It solves the problem of slow, engineering-heavy development of internal tools by enabling developers, product managers, and IT leaders to create front-end interfaces, automate workflows, and connect data sources visually. It is designed for enterprise teams across industries like retail, finance, and healthcare to build secure, scalable back-office tools and business applications.
This is a curated collection of project-based tutorials designed to help developers move beyond theory and learn by doing. It solves the problem of finding high-quality, practical coding projects to build a portfolio and gain real-world skills. It's for students, self-taught programmers, and developers looking to expand their expertise through hands-on application.
Next.js is a comprehensive React framework that simplifies building production-ready web applications. It solves the complexity of full-stack development by providing built-in solutions for routing, data fetching, rendering, and styling. It's designed for developers and teams who want to leverage React's power while getting a batteries-included framework for optimal performance and developer experience.
Agent-Skills is a collection of 24 production-grade engineering skills that encode senior-level workflows and judgment for AI coding agents. It solves the problem of inconsistent, low-quality AI-generated code by providing structured, phase-specific commands that guide agents through the entire software lifecycle—from specification to deployment. It's designed for developers and teams using AI coding assistants like Claude Code, Cursor, or GitHub Copilot to ensure their agents produce reliable, maintainable, and production-ready code.