🪢 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)

Find the perfect open source project to contribute

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

Displays top stories from Hacker News inside Obsidian.

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.

✌️Y Combinator directory scraper

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.

🪢 Auto-generated Java Client for Langfuse API

Observee (YC S25) lets you build AI agents with 1000+ integrations using MCPs with managed OAuth, Security and Observability

A Python library and cli tool for scraping companies, jobs, and founders data from Workatastartup.com.

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

Awesome workflow-use conceptual steps & prompts

Find the best ML model for your use case | Y Combinator Fall 2024

Routines for generating, manipulating, parsing, importing vector embeddings into Postgres tables

HackerNews API | Y Combinator News API

A search engine for newbie-friendly github issues from YCombinator startups.

YC Hackathon 2018 Winner Project. BEN: A decentralized chatbot that uses federated learning.

Konfigo is a powerful command-line tool designed to work with multiple configuration file formats like JSON, YAML, TOML, .env