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

Debug, evaluate, and monitor your LLM applications, RAG systems, and agentic workflows with comprehensive tracing, automated evaluations, and production-ready dashboards.

📚 Playground and cheatsheet for learning Python. Collection of Python scripts that are split by topics and contain code examples with explanations.

Playground (and dump) of stuff I make or modify for the Flipper Zero

📖 Design Patterns implemented in Swift 5.0

Play with neural networks!

Audio synthesis, processing, & analysis platform for iOS, macOS and tvOS

🎮 GraphQL IDE for better development workflows (GraphQL Subscriptions, interactive docs & collaboration)

The AI framework that adds the engineering to prompt engineering (Python/TS/Ruby/Java/C#/Rust/Go compatible)

An LLM playground you can run on your laptop

A component toolkit for creating live-running code editing experiences, using the power of CodeSandbox.

📺 Visual Editor & GraphQL IDE.

A visual playground for agentic workflows: Iterate over your agents 10x faster

Kubernetes Goat is a "Vulnerable by Design" cluster environment to learn and practice Kubernetes security using an interactive hands-on playground 🚀

🧊 Open source LLM observability platform. One line of code to monitor, evaluate, and experiment. YC W23 🍓

Next-generation AI Agent Optimization Platform: Cozeloop addresses challenges in AI agent development by providing full-lifecycle management capabilities from development, debugging, and evaluation to monitoring.

A flexible playground for live editing React components

A List of Awesome Swift Playgrounds

A bootloader and experimentation playground for Apple Silicon

The open-source LLMOps platform: prompt playground, prompt management, LLM evaluation, and LLM observability all in one place.

A cross-platform framework to build native, dynamic and swift user interface - 强大轻巧灵活的客户端动态化解决方案

Community-driven collection of Jetpack Compose example code and tutorials :rocket: https://foso.github.io/compose

⚡ Fast and beautiful interactive component playgrounds, powered by Vite

My portfolio website simulating macOS's GUI, developed with React and UnoCSS.

Create pixel art programmatically. Includes DataPixels.js and Data Pixels Playground desktop application.

algorithms playground for common questions

You know it, you use it, now it's time to improve it. PWD!.

https://app-router.vercel.app/

.NET language playground

🥄 Develop, test and document your React story components faster.