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An open source design system that's fully customizable and agent ready

LLM 驱动的多市场股票智能分析系统：多源行情、实时新闻、决策看板与自动推送，支持零成本定时运行。 LLM-powered multi-market stock analysis system with multi-source market data, real-time news, decision dashboard, automated notifications, and cost-free scheduled runs.

The agent harness performance optimization system. Skills, instincts, memory, security, and research-first development for Claude Code, Codex, Opencode, Cursor and beyond.

Towards a More Autonomous Agent System

World's first open-source, agentic video production system. 12 production pipelines, 100+ tools, 700+ agent skill and production-knowledge files. Turn your AI coding assistant into a full video production studio.

Turn Claude Code into a full game dev studio — 49 AI agents, 72 workflow skills, and a complete coordination system mirroring real studio hierarchy.

Fully autonomous AI Agents system capable of performing complex penetration testing tasks

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

Non-autoregressive System 1 decision engine. Typed choice, score and yes/no decisions over any text in a single forward pass, in 100+ languages, with a router that picks the right checkpoint per request.

Leaked system prompts of ChatGPT, Claude, Gemini and more. The hidden system prompt of every popular chatbot, in full, every version since May 2025. Also Anthropic Claude Code, OpenAI Codex, Google Antigravity, xAI Grok, Meta Muse, Moonshot Kimi, Alibaba Qwen, Z.ai GLM ZCode, MiniMax, Cursor, Perplexity, DeepSeek and 30+ others. Updated daily.

A community-supported supercharged document management system: scan, index and archive all your documents

RustFS is an open-source, S3-compatible high-performance object storage system supporting migration and coexistence with other S3-compatible platforms such as MinIO and Ceph.

Another Android, next to One UI: switch a rooted Samsung Galaxy into another Android system and back, without flashing.

System-level Android AI Agent with direct OS access. | Android 系统级 AI Agent——越过沙盒，让模型访问底层API、屏幕、终端与你的数据

macOS system monitor in your menu bar

A markup-based typesetting system that is powerful and easy to learn.

The Prometheus monitoring system and time series database.

See what is really inside macOS System Data and delete it item by item. A free menu bar app that explains every category and shows each command before it runs.

Open source agentic operating system

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

DuckDB is a high-performance analytical database system

ClickHouse® is a real-time analytics database management system

Free, open-source macOS cleaner. CleanMyMac alternative with zero telemetry. Native SwiftUI, scheduled auto-cleaning, Xcode/Homebrew/system cache cleanup. MIT licensed.

My AI learning system.

The best-benchmarked open-source AI memory system. And it's free.

Learn System Design concepts and prepare for interviews using free resources.

A modular graph-based Retrieval-Augmented Generation (RAG) system

A format specification for describing a visual identity to coding agents. DESIGN.md gives agents a persistent, structured understanding of a design system.

A high performance, editable terrain system for Godot 4.

Leantime is a goals focused project management system for non-project managers. Building with ADHD, Autism, and dyslexia in mind.