Learn how to design large-scale systems. Prep for the system design interview. Includes Anki flashcards.
Repository Index
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Python ETL framework for stream processing, real-time analytics, LLM pipelines, and RAG.
Clone a voice in 5 seconds to generate arbitrary speech in real-time
Ray is an AI compute engine. Ray consists of a core distributed runtime and a set of AI Libraries for accelerating ML workloads.
:hedgehog: PostHog is the leading platform for building self-driving products. Our developer tools – AI observability, analytics, session replay, flags, experiments, error tracking, logs, and more – capture all the context agents need to diagnose problems, uncover opportunities, and ship fixes. Steer it all from Slack, web, desktop, or the MCP.
:zap: A Fast, Extensible Progress Bar for Python and CLI
A reactive notebook for Python — run reproducible experiments, query with SQL, execute as a script, deploy as an app, and version with git. Stored as pure Python. All in a modern, AI-native editor.
How Python does AI. Agents, realtime voice, image generation, embeddings. Every model, every interface, typed end to end.
Tool for producing high quality forecasts for time series data that has multiple seasonality with linear or non-linear growth.
Turns Data and AI algorithms into production-ready web applications in no time.
Build realtime web, mobile and desktop apps in Python only. No frontend experience required.
🏛️ 三省六部制 · OpenClaw Multi-Agent Orchestration System — 9 specialized AI agents with real-time dashboard, model config, and full audit trails
TuShare is a utility for crawling historical data of China stocks
Statsmodels: statistical modeling and econometrics in Python
Real-time, local speech-to-text with streaming ASR, speaker diarization, translation, and OpenAI/Deepgram-compatible APIs.
Fast and Accurate ML in 3 Lines of Code
A python library for user-friendly forecasting and anomaly detection on time series.
Web mining module for Python, with tools for scraping, natural language processing, machine learning, network analysis and visualization.
Fast, correct Python JSON library supporting dataclasses, datetimes, and numpy
Robyn is a Super Fast Async Python Web Framework with a Rust runtime.
Real-time monitor and web admin for Celery distributed task queue
Python datetimes made easy
Flagsmith is an open-source feature flag platform with remote config, experimentation, and self-hosted or cloud deployment options.
A new kind of Progress Bar, with real-time throughput, ETA, and very cool animations!