jack2 codebase

An open-source, community-driven launcher for macOS. A lightweight alternative to Spotlight and Raycast. I'm working on this project with AI agents.

✨ An advanced 3D Gaussian Splatting renderer for THREE.js

🦀 AI Automation Manager with Native Self-Evolution, Long-Term Memory & One-Click OpenClaw Migration

Machine Learning、Deep Learning、PostgreSQL、Distributed System、Node.Js、Golang

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

Curated list of resources on testing distributed systems

Zero-dependency spreadsheet engine. Read & write XLSX, CSV, ODS. Pure TypeScript, works everywhere.

A single CLAUDE.md file to improve Claude Code behavior, derived from Andrej Karpathy's observations on LLM coding pitfalls.

Postgres extension for vector search (DiskANN), complements pgvector for performance and scale. Postgres OSS licensed.

PostgreSQL extension for BM25 relevance-ranked full-text search. Postgres OSS licensed.

Mount PostgreSQL as a filesystem. Build apps with files, explore databases with ls and cat.

AI-powered job search system built on Claude Code. 14 skill modes, Go dashboard, PDF generation, batch processing.

eBPF-based Security Observability and Runtime Enforcement

后端架构师技术图谱

Performance analysis tools based on Linux perf_events (aka perf) and ftrace

ZMap is a fast single packet network scanner designed for Internet-wide network surveys.

A collection of resources on wait-free and lock-free programming

🚀 List of distributed system projects for inspiration and learning to build distributed services from real world examples

Dkron - Distributed, fault tolerant job scheduling system https://dkron.io

Preparation links and resources for system design questions

High-Performance Symbolic Regression in Python and Julia

π RuView: WiFi DensePose turns commodity WiFi signals into real-time human pose estimation, vital sign monitoring, and presence detection — all without a single pixel of video.

Proxifier Alternative to redirect any Windows/MacOS/Linux TCP and UDP traffic to HTTP/Socks5 proxy

The Scala 3 compiler, also known as Dotty.

Fast and easy to use database for logs, which can efficiently handle terabytes of logs

CLI tool for spawning and running containers according to the OCI specification

Lower-latency OpenMP-style minimalistic scoped thread-pool designed for 'Fork-Join' parallelism in Rust and C++, avoiding memory allocations, mutexes, CAS-primitives, and false-sharing on the hot p…

ngtcp2 project is an effort to implement IETF QUIC protocol