Coding & Development
Editors, builders, libraries and developer tools for creating software.
Editors & coding assistants17 websites
- Codex, Editor's pickOpenAI's coding agent for writing, reviewing and shipping code, with tasks running in parallel locally or in the cloud.
- Claude Code, Editor's pickAnthropic's coding agent that plans changes, writes code, runs tests and opens pull requests from the terminal, IDE, Slack or web.
- Cursor, Editor's pickAI-assisted code editor for software development.
- Google Antigravity, Editor's pickGoogle's agentic development platform.
- AmpAn AI coding agent for understanding codebases and carrying out software development tasks.
- Android StudioGoogle's integrated development environment for building, debugging and testing Android applications.
- GoLandAn integrated development environment for Go, with code navigation, debugging and refactoring tools.
- Grok BotAI agents that work across apps and websites to complete tasks, automate routines and help investigate bugs.
- MiniMax CodeAn AI workspace for planning, writing, debugging and reviewing code, with access to local projects and tools.
- OpenClaudeOpen-source coding-agent CLI for working with different AI models from the terminal.
- opencodexTooling for multi-model AI coding-agent workflows.
- OpenHandsOpen-source software-development agent platform.
- PhindAI-powered search and assistance for developers.
- Visual Studio CodeA code editor with debugging, extensions and language support for many kinds of development.
- WindsurfAI coding environment and software-development agent.
- XcodeApple's development environment for creating, debugging and testing apps for its platforms.
- ZedA code editor with collaboration and AI assistance for working on software projects.
App & website builders9 websites
- BoltBuild and run web applications through conversational AI-assisted development.
- ReplitBrowser-based development environment with AI coding and deployment tools.
- LovableAI-assisted web application builder.
- RorkCreate mobile and web apps from prompts using AI.
- FramerVisual website builder with AI-assisted creation.
- GlazeBuild and share personal Mac desktop apps by describing what you want to an AI assistant.
- Google OpalBuild AI mini-apps through a visual workflow.
- PortfolioTabPortfolio creation and talent showcase platform.
- v0Vercel's AI interface and application generation tool.
See all 10 in App & website builders1 website is listed in an earlier section
Components & libraries29 websites
- shadcn/ui, Editor's pickReusable, customizable UI components for polished web interfaces.
- 21st.dev, Editor's pickCommunity-driven library of reusable UI components for modern web applications.
- Aceternity UIReact, Tailwind CSS and Motion components, blocks and templates for building animated interfaces and landing pages.
- Anime.jsA JavaScript animation library for web interfaces, with timelines, scroll-linked animation, SVG tools and draggable interactions.
- Canvas UIA component library for creative web graphics built with Canvas, WebGL and WebGPU.
- CSS Text EffectsA browsable library of CSS text effects and animations with copyable snippets and implementation guides.
- Godot Asset LibraryThe official catalogue of community-submitted Godot add-ons, scripts, tools, templates and demo projects, searchable by engine version and license.
- KineticsA gallery of spring-style interface animations with CSS examples, React examples and implementation prompts.
- liquid-glassA headless React glass-effect component with a visual playground, examples and controls for refraction, tint and edge effects.
- Magic UIAn open-source collection of animated React components and effects built with TypeScript, Tailwind CSS and Motion.
- mapcnCustomizable React map components built on MapLibre and styled with Tailwind CSS, with documentation and examples for maps and related controls.
- MicroKit UIA collection of React and CSS microinteractions for buttons, inputs, navigation and other interface details.
- Motion-PrimitivesReusable animated interface components built with Motion and Tailwind CSS, with examples and customization documentation.
- OriginkitA library of animated interface components for modern websites.
- React Bits: MicroFree customizable React micro-interaction components for motion, subtle UI details, and playful interactions.
- React Three FiberA React renderer for Three.js for building interactive 3D scenes with reusable, declarative React components.
- ScritTool for creating animated text effects.
- ScrolltideA library of scroll-driven website prompts, templates, components and visual effects for use with AI coding tools.
- Shadcnblocks, Editor's pickA collection of shadcn/ui, Tailwind and React blocks, components and templates with copy-and-paste or CLI installation options.
- Thinking OrbsAnimated orb components that show loading and thinking states in AI interfaces.
- Three.js, Editor's pickA JavaScript library for creating browser-based 3D graphics, with WebGL and WebGPU renderers, documentation, examples and an editor.
- ToolcraftAn open-source starter kit and UI library for building custom design tools with AI, including canvases, layers and timelines.
- TorphZero-dependency text morphing utility for frontend interfaces.
- TypehugTypography utility for keeping related text together in responsive layouts.
- UI SFXSound-effect resource for interface interactions and product experiences.
- UIAbleA shadcn-based interface system with reusable React components, blocks, templates and dashboards built for Tailwind CSS and TypeScript.
- UiverseA community-built collection of interface elements with examples available in HTML/CSS, Tailwind, React and Figma.
- VibePromptA library of UI-section prompts and Tailwind snippets with previews for navigation, pricing, onboarding and other interface patterns.
- Watermelon UICollection of shadcn-style UI components and blocks for web development.
APIs & developer tools57 websites
- Agent MemoryPersistent memory tooling for AI coding agents.
- AI SDKVercel's open-source TypeScript toolkit for building AI apps and agents, with a unified model-provider API, streaming responses, tool calling and chat UI integrations.
- BundlephobiaCheck JavaScript/npm package sizes.
- CarbonTurn source code into polished visual snippets.
- Code BeautifyFormat, validate, convert, and beautify code and structured data.
- code.marketA catalogue of third-party digital products, including code, templates, plugins, and AI tools, alongside its own digital services.
- Dev HuntA launch and discovery platform where developers browse and vote on developer tools.
- ExplainShellBreak down and explain shell commands.
- GhosttyA terminal emulator with native interfaces and GPU-accelerated rendering for command-line work.
- GitHubA software-development platform for hosting code repositories, collaborating on changes, tracking issues and sharing projects.
- Godot AIA third-party MCP integration for editing scenes, nodes, scripts, signals, UI, materials and animation in a live Godot editor.
- Google AI Studio, Editor's pickGoogle's environment for experimenting and building with Gemini.
- Google PageSpeed InsightsAnalyze a web page’s performance, Core Web Vitals and opportunities to improve its loading experience.
- HaystackExplore production AI applications using RAG, pipelines, agents, retrieval, and document processing.
- HTTPieAPI tools for sending HTTP requests and inspecting responses from the command line or an app.
- Hugging Face Spaces, Editor's pickTry community-built AI and machine-learning demos.
- Hunyuan3D-2.1Tencent's 3D-generation model and code for creating shapes and physically based textures from images.
- HY-World 2.0Tencent's model framework for generating 3D worlds from text or images and reconstructing scenes from multiple images or video.
- JSON FormatterFormat, validate, and inspect JSON data.
- JWT.ioDecode and inspect JSON Web Tokens.
- Kage ToolingCurated collection of tools for building and designing interfaces.
- LiteLLMLearn how applications can work across multiple LLM providers, APIs, and models.
- llama.cppExplore local LLM inference, quantization, CPU/GPU inference, optimization, and consumer hardware.
- LlamaIndexLearn RAG, ingestion, vector search, agents, knowledge bases, and document retrieval.
- MailDevOpen-source SMTP server and web interface for testing email during development.
- MastraAn open-source TypeScript framework for building AI agents and workflows, with memory, evaluations, tracing and deployment tooling.
- MCP for BlenderA community MCP server and Blender add-on for AI-assisted object editing, materials and scene creation in a running Blender session.
- MCP for UnityA third-party MCP integration connecting AI clients to Unity Editor tools for scenes, assets, C# scripts, tests and development tasks.
- MCP MarketA searchable directory of Model Context Protocol servers, clients, agent skills and tools for connecting AI assistants with external services.
- Meshy MCP ServerAn MCP server that connects AI clients to Meshy's APIs for 3D generation, remeshing, texturing, rigging and animation.
- Mistral AIAI models, assistants and developer tools for building applications, automating work and coding.
- Mobbin MCPConnects AI coding tools to Mobbin so they can find real product screens and use them as design references.
- NVIDIA CUDACUDA documentation, developer resources, and GPU-computing learning materials from NVIDIA.
- NVIDIA Kit USD AgentsNVIDIA's toolkit combines a Chat USD assistant for Omniverse Kit with MCP servers for USD, Kit, OmniUI and Isaac Sim development information.
- ObservableExplore interactive data visualizations, notebooks, and data applications.
- PlayCanvas Editor MCP ServerPlayCanvas's MCP server for letting AI clients automate Editor projects, create and edit scenes, and inspect whether they run.
- Postico 2A PostgreSQL client for macOS with table browsing, data editing and SQL query tools.
- PostmanBuild, test, document, and explore APIs.
- ProxymanAn HTTP debugging proxy for inspecting requests and responses between applications and servers.
- Ramen ToolsA maker community for discovering the tools people use and sharing personal technology stacks.
- Ray.soCreate attractive screenshots of code.
- Regex101Build, test, and debug regular expressions.
- RegExrBuild and test regular expressions.
- ReplicateRun and experiment with AI models online and through APIs.
- ReqBinSend HTTP requests online.
- ShadertoyA browser-based GLSL shader editor and community for exploring, creating and sharing graphics experiments.
- Sitemaps.orgLearn how the sitemap protocol works.
- SourceForgeA platform for discovering and comparing business software, hosting open-source projects and distributing software downloads.
- SourcegraphA code search tool for finding symbols, patterns and implementation details across repositories.
- Stable Fast 3DStability AI's model and code for reconstructing a textured, UV-unwrapped 3D mesh from a single image.
- StackShareA developer community for discovering and comparing software tools and exploring company technology stacks.
- SupoClipOpen-source AI video clipping software that turns long recordings into short vertical clips with highlight selection, face-centered cropping and synchronized captions. Includes a hosted app and MCP integration.
- TablePlusA graphical database client for browsing tables, editing records and running queries.
- TanStack AIA provider-agnostic TypeScript library for AI features and agents, with streaming chat, typed tool calls, model adapters and integrations for existing frontend and server stacks.
- TRELLIS.2Microsoft's image-to-3D research model and code for generating textured 3D assets with physically based materials.
- Unreal Engine MCPA third-party local MCP server and Unreal plugin for basic actor, scene, physics and Blueprint operations in Unreal Editor.
- vLLMExplore high-throughput LLM inference, serving, KV cache, distributed inference, and production APIs.
Agent skills34 websites
- Linkly SkillsRankings and discovery of reusable AI-agent skills.
- accessibility --- addyosmaniWeb accessibility auditing and improvement skill based on WCAG-oriented guidance.
- adapt --- pbakausResponsive interface adaptation across breakpoints, devices, and contexts.
- agent-skillsReusable skills for AI coding-agent workflows.
- AnatomyAn agent skill for creating interactive isometric illustrations of machines and complex systems, using SVG with optional WebGL effects and 3D motion.
- apple-design --- emilkowalski, Editor's pickApple-inspired interface, motion, gesture, typography, and design-engineering guidance.
- beautiful-shadows --- MengToUI depth, elevation, and shadow-treatment skill.
- better-interface --- jakubkrehelHolistic interface-review skill spanning accessibility, layout, writing, typography, color, and polish.
- Brand GuidelinesApply brand rules and visual guidelines.
- Chief of StaffMatt Pocock's agent skill for pursuing a long-running goal by coordinating subagents, recurring work and a persistent knowledge wiki.
- Claude-MemPersistent context and memory tooling for AI agents.
- Context7Up-to-date code documentation and context tooling for AI coding tools.
- design-review --- SuperfuturePrioritized UI critique across visual craft, responsiveness, accessibility, and consistency.
- emil-design-eng --- emilkowalski, Editor's pickDesign-engineering philosophy for UI polish, components, animation, and frontend craft.
- Frontend DesignFrontend interface design skill.
- Herk Edit KitNate Herk's video-editing skills and templates for Codex and Claude Code, covering transcript-based cuts, silence removal, captions, B-roll and HyperFrames motion graphics.
- interaction-design --- wshobsonMicrointeraction, motion, transition, gesture, and feedback-pattern skill.
- Last 30 DaysAn agent research skill that gathers recent discussions and information from social platforms and the web, then synthesizes a source-grounded brief.
- Marketing PsychologyCorey Haines's agent skill for applying behavioral science and mental models to marketing, with practical guidance on customer decisions and ethical persuasion.
- Marketing Skills Directory, Editor's pickA searchable directory of reusable AI-agent skills for SEO, copywriting, email, branding, analytics and other marketing workflows.
- MCP BuilderBuild Model Context Protocol integrations.
- shadcn --- shadcn-uiProject-aware shadcn/ui component workflow skill.
- Skill CreatorCreate, test, evaluate and improve agent skills.
- Skill Issue, Editor's pickA curated directory of reusable SKILL.md instructions for AI coding agents, covering design, development, research and automation.
- Skillry, Editor's pickA catalogue of reusable AI-agent skills for creating websites, images, videos and presentations.
- skills.shA directory for discovering and installing skills for AI agents.
- Superpowers, Editor's pickAgentic software-development workflow and composable coding-agent skills.
- Taste Skill, Editor's pickFrontend design skills for layout, typography, motion and spacing.
- TeachMatt Pocock's agent skill for teaching a topic across multiple sessions with a learning mission, interactive HTML lessons, reference materials and learning records.
- Three.js SkillsA third-party collection of Claude Code skill documents covering Three.js scenes, materials, animation, shaders, interaction and performance.
- Transitions.devWeb transition collection with agent skills and refinement tooling.
- UI/UX Pro Max, Editor's pickUI/UX design-intelligence skill and design-system workflow.
- Web Artifacts BuilderBuild interactive web artifacts.
- Webapp TestingWeb-application testing skill.
See all 35 in Agent skills1 website is listed in an earlier section
Hosting & infrastructure11 websites
- Vercel, Editor's pickFrontend deployment and hosting platform with a free plan for eligible personal/non-commercial use.
- Cloudflare Pages, Editor's pickStatic-site hosting and deployment on Cloudflare's network.
- Codeberg PagesStatic website hosting for Codeberg projects.
- Firebase HostingGoogle hosting for static and single-page web apps with CDN delivery and SSL.
- GitHub Pages, Editor's pickStatic website hosting directly from GitHub repositories.
- GitLab PagesStatic website publishing from GitLab repositories using CI/CD.
- NeocitiesFree static website hosting focused on personal and independent websites.
- Netlify, Editor's pickWeb deployment platform with a free tier suitable for static sites and frontend projects.
- OrbStackA macOS tool for running Docker containers and Linux environments during local development.
- RenderCloud application platform with options for deploying static sites and web services.
- SurgeSimple command-line publishing for static web projects.
Learning resources63 websites
- 500+ AI Agent Projects & Use Cases, Editor's pickA curated collection of AI-agent project ideas, use cases, tutorials and example implementations, organized by industry and framework.
- AI Agents for BeginnersMicrosoft's beginner course on building AI agents, with written lessons, videos and code examples covering tool use, RAG, planning, multi-agent systems, memory, deployment and security.
- AI Coding Dictionary, Editor's pickMatt Pocock's plain-English glossary of AI coding concepts, including models, context, agents, tools, environments, memory and workflows.
- AI Engineering NotesRatish Jain's public learning notes on AI engineering, explaining one topic at a time and linking the papers, videos and posts used to understand it.
- Anthropic LearningCourses and learning resources from Anthropic.
- AWS Skill BuilderAWS training resources for cloud, AI, machine learning, and related technologies.
- Blockly GamesEducational games that introduce programming concepts through block-based coding.
- Cisco Networking AcademyNetworking, cybersecurity, programming, and IT training from Cisco.
- CoddyInteractive programming courses with coding exercises.
- Code.orgFree computer-science and coding lessons for students and educators.
- CodeCombatLearn programming, including Python, by coding your way through game levels.
- CodepipLearn HTML, CSS, JavaScript, and web-development concepts through coding games.
- CodewarsPractice programming through community-created coding challenges and compare solutions with other developers.
- CodinGamePractice programming across many languages through puzzles and coding challenges.
- CS50 at Harvard, Editor's pickHarvard's introductory computer science course and related CS50 materials.
- CybraryCybersecurity and IT training platform with free and paid learning options.
- DeepLearning.AICourses and learning resources covering AI, machine learning, generative AI, and deep learning.
- DevOps GamesPractice DevOps concepts through game-like challenges.
- DistillInteractive and visual explanations of machine-learning research.
- Dive into Deep LearningInteractive deep-learning textbook with code and mathematical explanations.
- ExercismFree programming practice and mentoring across many programming languages.
- fast.aiPractical deep-learning courses and resources.
- Fortinet Training InstituteCybersecurity training and certification preparation from Fortinet.
- freeCodeCampFree coding curriculum with project-based developer certifications.
- GenAI AgentsLearn agent patterns including tool use, planning, RAG agents, memory, multi-agent systems, and workflows.
- Google AI LearningAI learning resources and courses from Google.
- Google Cloud Skills BoostGoogle Cloud hands-on learning paths, labs, and skill badges.
- Google for Developers LearnOfficial Google developer tutorials, pathways, and technical learning resources.
- Guru99, Editor's pickTechnology tutorials and learning guides.
- HackerRankCoding practice, technical assessments, and skills verification.
- Hands-On Large Language ModelsLearn LLMs by building: embeddings, transformers, RAG, fine-tuning, semantic search, and LLM applications.
- Hour of CodeShort introductory coding activities for learners of different ages.
- Hugging Face LearnFree courses and learning materials covering the Hugging Face ecosystem.
- IBM SkillsBuildFree learning resources covering AI, technology, professional skills, and career development.
- K8s GamesLearn and practice Kubernetes through interactive challenges.
- Kaggle LearnShort hands-on courses for data science and machine learning.
- Learn X in Y MinutesQuick guides to programming languages and concepts.
- LearnlistsA curated directory of learning websites, interactive playgrounds, courses, case studies and learning paths across programming, AI, design, mathematics and engineering.
- LLM CourseRoadmap covering LLM architectures, fine-tuning, quantization, RAG, agents, and deployment.
- Made With MLLearn production ML: data, modeling, evaluation, deployment, MLOps, and production systems.
- Meta AI ResourcesAI research, learning, and technical resources from Meta.
- Microsoft LearnFree training paths and modules covering AI, Azure, development, data, and Microsoft technologies.
- Microsoft MakeCodeBlock- and text-based coding environment for learning programming with interactive projects.
- Nand2TetrisLearn computing systems by building a computer from fundamental logic components upward.
- Oh My Git!Learn Git through an interactive game using real Git commands.
- OpenAI AcademyLearning resources, events, and educational content from OpenAI.
- OverAPIDeveloper cheat sheets for programming languages and technologies.
- OverTheWireLearn Linux, command-line, networking, and security through wargames.
- picoCTFLearn cybersecurity through capture-the-flag challenges and puzzles.
- ProjectLearnLearn programming through guided projects and tutorials.
- Prompt Engineering GuideResources covering prompting techniques, RAG, agents, LLM research, capabilities, and optimization.
- roadmap.sh, Editor's pickCommunity-created learning roadmaps for developers and technical roles.
- ScratchLearn programming fundamentals through visual block-based coding and projects.
- SololearnMobile-friendly interactive coding lessons across multiple languages.
- Teach Yourself Computer ScienceA self-study curriculum covering core computer science subjects.
- Technical Engineering Articles, Editor's pickA categorized index of technical articles on X covering system design, backend engineering, distributed systems, databases, DevOps, microservices and AI engineering.
- The Book of ShadersAn online introduction to fragment shaders covering shader basics, mathematical drawing, patterns, randomness and noise.
- The Odin ProjectFree open-source full-stack web-development curriculum.
- Three.js JourneyBruno Simon's project-based courses for building 3D web experiences with Three.js, covering scene fundamentals, shaders, Blender and React Three Fiber.
- TryHackMeHands-on cybersecurity learning through guided labs and challenges.
- W3SchoolsProgramming tutorials, references and interactive examples.
- Web Dev for BeginnersMicrosoft's project-based introductory web-development curriculum.
- web.dev LearnModern web-development courses and guides from Google.