React and Next.js performance guidance for writing, reviewing, and refactoring production UI code.

Autonomous coding agent as an SDK, IDE extension, or CLI assistant.

A lightweight alternative to OpenClaw that runs in containers for security. Connects to WhatsApp, Telegram, Slack, Discord, Gmail and other messaging apps,, has memory, scheduled jobs, and runs directly on Anthropic's Agents SDK

🪢 Open source AI engineering platform: LLM evals, observability, metrics, prompt management, playground, datasets. Integrates with OpenTelemetry, LangChain, OpenAI SDK, LiteLLM, and more. 🍊YC W23

Universal SEO skill for Claude Code. 25 sub-skills + 18 sub-agents covering technical SEO, E-E-A-T, schema, GEO/AEO, backlinks, local SEO, maps intelligence, semantic clustering, e-commerce SEO, international SEO, Google APIs, and PDF/Excel reporting. Optional DataForSEO, Firecrawl, and Banana extensions.

Open-source headless eCommerce platform with REST API, TypeScript SDK, and Next.js storefront for cross-border, B2B or marketplace eCommerce.

An open-source JavaScript library for world-class 3D globes and maps :earth_americas:

🍃 Organic Maps is a free Android & iOS offline maps app for more than 6M travelers, tourists, hikers, and cyclists. It uses crowd-sourced OpenStreetMap data and is developed with love by the community. No ads, no tracking, no data collection, no crapware. Please donate to support the development!

SDK for building Kubernetes applications. Provides high level APIs, useful abstractions, and project scaffolding.

Python Data. Leaflet.js Maps.

Framework for building performant, customizable blockchains with native interoperability