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Caching Libraries 4 Calendar Libraries 6 Carousel Libraries 1 Charting Libraries 8 CLI Libraries 12 Clipboard Libraries 1 CMS Libraries 3 Code Quality Tools 6 Concurrency Libraries 4 Configuration Libraries 5 Cookie Libraries 3 CQRS Libraries 1 CRDT Libraries 2 Cron Libraries 1 Cross-Platform Frameworks 8 CSS Libraries 12 CSV Libraries 1 Data Science Libraries 4 Data Structures 7 Database Libraries 19 Date / Time Libraries 5 Debounce Libraries 1 Dependency Injection Libraries 3 Deployment Tools 2 Documentation Libraries 5 DOM Libraries 5 Drag and Drop Libraries 3 eCommerce Platforms 1 Electron Libraries 3 Event Sourcing Libraries 1 Event Bus Libraries 2 Feature Flag Libraries 2 Fediverse Libraries 1 File Uploaders 3 Filesystem Libraries 7 Finance Libraries 6 Form Libraries 2 Formatting Libraries 3 Full-stack Frameworks 13 Functional Programming Libraries 1 Game Dev Libraries 3 Geospatial Libraries 8 GIS Libraries 1 Git Libraries 4 Google Libraries 1 Graphics Libraries 7 GraphQL Libraries 2 GUI Frameworks 1 Hashing Libraries 1 HTML Libraries 7 HTML Sanitizers 2 Hypermedia Libraries 4 Icon Libraries 1 ID Generators 4 Image Libraries 6 Job Scheduling Libraries 12 jQuery Alternatives 9 JSON Libraries 8 JSX Libraries 6 JWT Libraries 1 Kafka Libraries 1 LLM Libraries 13 Localization Libraries 5 Locking Libraries 1 Logging Libraries 8 macOS Libraries 2 Markdown Libraries 8 Math Libraries 2 Memoization Libraries 2 Message Queues 8 Messaging Libraries 1 Metrics Libraries 1 Micro Frontend Frameworks 7 Microservices Frameworks 11 Mobile Frameworks 7 Mocking Libraries 8 Modal Libraries 1 Money Libraries 4 MongoDB Libraries 2 Monitoring Tools 1 Networking Libraries 4 NLP Libraries 4 Notification Libraries 1 Numeric Libraries 5 OCR Libraries 1 Onboarding Libraries 1 Orchestration Frameworks 3 ORM Libraries 8 Package Managers 4 Parsing Libraries 2 PDF Libraries 5 Performance Testing Tools 3 Phone Number Libraries 1 Postgres Libraries 10 Presentation Libraries 1 Productivity Tools 2 Profiling Tools 2 Progress Libraries 4 Promise Libraries 5 QR Code Libraries 2 Rate Limiters 7 Reactive Libraries 4 Redis Libraries 4 Reporting Tools 2 Resilience Libraries 6 Retry Libraries 4 Routing Libraries 5 RPC Libraries 2 Search Libraries 11 Security Libraries 8 Serialization Libraries 2 Signals Library 2 Slider Libraries 1 SQLite Libraries 1 SSH Libraries 2 State Machine Libraries 4 State Management Libraries 4 Static Site Generators 2 Storage Libraries 3 String Manipulation Libraries 3 SVG Libraries 4 Syntax Highlighters 3 System Libraries 11 Table / Data Grid Libraries 5 Template Engines 4 Test Data Generators 1 Testing Libraries 29 Text Editors 12 Torrent Libraries 1 Type Checkers 2 UI Component Libraries 10 URL Libraries 3 Validation Libraries 11 Version Managers 5 Video Libraries 3 Video Players 1 Web Automation Libraries 5 Web Components Libraries 5 Web Frameworks 33 WebRTC Libraries 4 WebSocket Libraries 5 Window Libraries 1 Word / Excel Libraries 1 Workflow Engines 3 XML Libraries 2 last commit 8 months ago mastra-ai/mastra 19K Mastra is a framework for building AI-powered applications and agents with a modern TypeScript stack. last commit 8 months ago sst/opencode 42K The open source AI coding agent. last commit 8 months ago musistudio/claude-code-router 24K A powerful tool to route Claude Code requests to different models and customize any request. last commit 1 year ago menloresearch/jan 29K Jan is an open source alternative to ChatGPT that runs 100% offline on your computer last commit 1 year ago mljs/ml 2K Machine learning tools in JavaScript last commit 1 year ago modelcontextprotocol/typescript-sdk 5K +567 The official Typescript SDK for Model Context Protocol servers and clients last commit 1 year ago openai/openai-node 10K +36 Official JavaScript / TypeScript library for the OpenAI API last commit 1 year ago huggingface/transformers.js 13K +75 State-of-the-art Machine Learning for the web. 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