Learn how to design large-scale systems. Prep for the system design interview. Includes Anki flashcards.

Robust Speech Recognition via Large-Scale Weak Supervision

A progressive Node.js framework for building efficient, scalable, and enterprise-grade server-side applications with TypeScript/JavaScript 🚀

The Patterns of Scalable, Reliable, and Performant Large-Scale Systems

React-based framework with performance, scalability, and security built in.

⚡ Serverless Framework – Effortlessly build apps that auto-scale, incur zero costs when idle, and require minimal maintenance using AWS Lambda and other managed cloud services.

Milvus is a high-performance, cloud-native vector database built for scalable vector ANN search

Apache Spark - A unified analytics engine for large-scale data processing

Learn how to design systems at scale and prepare for system design interviews

TiDB - the open-source, cloud-native, distributed SQL database designed for modern applications.

Build, run, manage agentic software at scale.

A powerful 🚀 Android chart view / graph view library, supporting line- bar- pie- radar- bubble- and candlestick charts as well as scaling, panning and animations.

🕷️ An adaptive Web Scraping framework that handles everything from a single request to a full-scale crawl!

🛡️ ⚛️ A simple, scalable, and powerful architecture for building production ready React applications.

CockroachDB — the cloud native, distributed SQL database designed for high availability, effortless scale, and control over data placement.

A scalable, distributed, collaborative, document-graph database, for the realtime web

SeaweedFS is a distributed storage system for object storage (S3), file systems, and Iceberg tables, designed to handle billions of files with O(1) disk access and effortless horizontal scaling.

Scalable datastore for metrics, events, and real-time analytics

Unlock your displays on your Mac! Flexible HiDPI scaling, XDR/HDR extra brightness, virtual screens, DDC control, extra dimming, PIP/streaming, EDID override and lots more!

Qdrant - High-performance, massive-scale Vector Database and Vector Search Engine for the next generation of AI. Also available in the cloud https://cloud.qdrant.io/

🔥 A highly scalable, offline-first foundation with the best developer experience and a focus on performance and best practices.

Jitsi Meet - Secure, Simple and Scalable Video Conferences that you use as a standalone app or embed in your web application.

The Monorepo Platform that amplifies both developers and AI agents. Nx optimizes your builds, scales your CI, and fixes failed PRs automatically. Ship in half the time.

Scalable, Portable and Distributed Gradient Boosting (GBDT, GBRT or GBM) Library, for Python, R, Java, Scala, C++ and more. Runs on single machine, Hadoop, Spark, Dask, Flink and DataFlow

Simple, scalable state management.

Write scalable load tests in plain Python 🚗💨

Elixir is a dynamic, functional language for building scalable and maintainable applications

a fast, scalable, multi-language and extensible build system

High-performance, scalable time-series database designed for Industrial IoT (IIoT) scenarios

Open-source AI orchestration framework for building context-engineered, production-ready LLM applications. Design modular pipelines and agent workflows with explicit control over retrieval, routing, memory, and generation. Built for scalable agents, RAG, multimodal applications, semantic search, and conversational systems.