Redefined chart library built with React and D3
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Translated:star2: Wiki of OI / ICPC for everyone. (An online walkthrough for a certain large game, containing cool arithmetic magic)
- oi
- oi-handbook
- data-structures
- algorithms
React components for efficiently rendering large lists and tabular data
- react
- react-components
- windowing
- virtualization
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
The SDK to extract data and interact with any site on the web. Get started with Claude Code, Codex, Eve, Mastra, and more.
🎒 Token-Oriented Object Notation (TOON) – compact, human-readable serialization of JSON data for LLM prompts. TypeScript SDK, CLI, benchmarks.
- data-format
- llm
- serialization
- tokenization
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
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.
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.
JavaScript Data Grid / Data Table with a Spreadsheet Look & Feel. Works with React, Angular, and Vue. Supported by the Handsontable team ⚡
- excel
- crud-operations
- data-editing
- data-grid
✨ AI Spreadsheet for Business
- airtable
- airtable-alternative
- database
- no-code
Your window into all of your data
- kibana
- elasticsearch
- visualizations
- metrics
🐯 visx | visualization components
- vx
- react
- d3
- visualization
Interactive Data Visualization in the browser, from Python
- bokeh
- python
- interactive-plots
- javascript
SubQuery is an Open, Flexible, Fast and Universal data indexing framework for web3. Our mission is to help developers create the decentralised products of the future.
Turn any website into a structured API. Extract, automate, search and monitor the web.
- automation
- no-code
- scraper
- web-scraper
React components for efficiently rendering large lists and tabular data
Open-source generative UI framework: agents stream layout data, and apps render it with native components in React, Angular, Lit, Flutter, SwiftUI and Jetpack Compose.
Docs is an open-source text editor: web-native, made for real-time collaboration, cleanly structured documents and sub-documents with full ownership of your data. Built to scale with Django and React.
- knowledge
- wiki
- blocknotejs
- collaborative
Embeddable Postgres with real-time, reactive bindings.
TranslatedWeFlow - a local WeChat chat history export and annual report application
- annual-report
- data-analysis
- data-visualization
- message
The Apify MCP server enables your AI agents to extract data from social media, search engines, maps, e-commerce sites, or any other website using thousands of ready-made scrapers, crawlers, and automation tools available on the Apify Store.