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

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

Build and generate PDF using React 📄 UI kit for PDFs and print documents. Simple, reusable components and templates to create great invoices, docs, brochures. Use your favorite front-end framework React to build your next PDF.

🌿 It's Hacker News in your terminal

🔒 Enterprise-grade API gateway that helps you monitor and impose cost or rate limits per API key. Get fine-grained access control and monitoring per user, application, or environment. Supports OpenAI, Azure OpenAI, Anthropic, vLLM, and open-source LLMs.

📚 Download the full collection of Paul Graham essays in EPUB, PDF & Markdown for easy reading.

PostgreSQL vector database extension for building AI applications

✨ Hacker News, but refined — Interface tweaks and features to make the HN experience better

The iPhone version of News/YC, a Hacker News reader and interactive iOS application.

EdgeChains.js is Full-Stack GenAI library. Front-end, backend, apis, prompt management, distributed computing. All core prompts & chains are managed declaratively in jsonnet (and not hidden in classes)

Curated collection of AI dev tools from YC companies, aiming to serve as a reliable starting point for LLM/ML developers

The Brain Of Your B2B SaaS. A better way to unify your customers' data and get meaningful insights out of the box. Built on Next.js, Ruby on Rails, Tailwind, Shadcn, and more. Backed by Y Combinator - YC W23

Modular, open source LLMOps stack that separates concerns: LiteLLM unifies LLM APIs, manages routing and cost controls, and ensures high-availability, while Langfuse focuses on detailed observability, prompt versioning, and performance evaluations.

Periodically fetches and displays top stories from HackerNews.

Lambda Calculus things implemented on Python

Create WOW Moments. Create superfans.

The first developer-oriented document platform. Generate, host and track PDFs with a single API, beautifully.

✌️Y Combinator directory scraper

1000个创业Idea，来自ycombinator，一行一个创业思路;1000 entrepreneurial ideas from ycombinator, one entrepreneurial idea per line.

Gets your upvoted posts from Hacker News and imports them to raindrop.io