An open source design system that's fully customizable and agent ready
Repository Index
78,351 visible repositories in the index
73–96 of 1,305 · Most stars
The Developer Tool for Visual Engineers • An Open-Source AI-First Design tool • Visually build, style, and edit your code with AI • World's best, top-most agent recommended #1 Developer tool for Designers and Visual Engineers to design with Real Code.
- react
- typescript
- tailwindcss
- nextjs
Test your prompts, agents, and RAGs. Red teaming/pentesting/vulnerability scanning for AI. Compare performance of GPT, Claude, Gemini, DeepSeek, and more. Simple declarative configs with command line and CI/CD integration. Used by OpenAI and Anthropic.
- llm
- prompt-engineering
- prompts
- llmops
React components for efficiently rendering large lists and tabular data
- react
- react-components
- windowing
- virtualization
A frontend Framework for single-page applications on top of REST/GraphQL APIs, using TypeScript, React and Material Design
Focalboard is an open source, self-hosted alternative to Trello, Notion, and Asana.
- project-management
- project
- kanban-board
- goal-tracking
Crawlee—A web scraping and browser automation library for Node.js to build reliable crawlers. In JavaScript and TypeScript. Extract data for AI, LLMs, RAG, or GPTs. Download HTML, PDF, JPG, PNG, and other files from websites. Works with Puppeteer, Playwright, Cheerio, JSDOM, and raw HTTP. Both headful and headless mode. With proxy rotation.
- web-scraping
- web-crawling
- npm
- headless-chrome
Babylon.js is a powerful, beautiful, simple, and open game and rendering engine packed into a friendly JavaScript framework.
- webgl
- webgl2
- 3d
- game-development
Make images smaller using best-in-class codecs, right in the browser.
Customizable admin dashboard template based on Angular 10+
- webpack
- bootstrap4
- admin
- admin-dashboard
🎒 Token-Oriented Object Notation (TOON) – compact, human-readable serialization of JSON data for LLM prompts. TypeScript SDK, CLI, benchmarks.
- data-format
- llm
- serialization
- tokenization
Harness engineering beginner tutorial, from 0 to 1
- agent
- harness
- harness-engineering
- harness-framework
A lightweight, customizable Vue UI library for mobile web apps.
- vue
- mobile
- components
- vant
A Foundation for Scalable Cross-Platform Apps
Lexical is an extensible text editor framework that provides excellent reliability, accessibility and performance.
The first open-source harness builder for AI coding. Make AI coding deterministic and repeatable.
Modern and easy to use database GUI & SQL client for MySQL, Postgres, SQLite, SQL Server, ClickHouse, and more. Linux, MacOS, and Windows.
- sql
- windows-app
- mac-app
- linux-app
Build your own AI office with Univer Office SDK. Bring editing, calculation, collaboration, and file processing into your product for people and AI agents. Built on an extensible open-source core.
- excel
- spreadsheet
- xlsx
- doc
Super Productivity is an advanced todo list app with integrated Timeboxing and time tracking capabilities. It also comes with integrations for Jira, GitLab, GitHub and Open Project.
- task-manager
- linux
- macos
- time-tracker
Lightweight, user-friendly onboarding tour library
The local-first database that runs on every JS runtime and replicates with your existing backend - no vendor, no lock-in - https://rxdb.info/
Database diagrams editor that allows you to visualize and design your DB with a single query.
Home of the Mend Renovate CLI: Cross-platform Dependency Automation by Mend.io
Open source observability platform for logs, metrics, traces, RUM (web, android, ios), Session replay, pipelines, SLO and LLM observability. A sophisticated, simple and highly performant alternative to Datadog, Splunk, and Elasticsearch with 140x lower storage costs and single binary deployment.