01Open source
Repos
Open-source repos worth knowing, by the problem they take on.
AI & Agents
Brigade Intelligence
Brigade — Your personal intelligence, built enterprise-grade
Codex With ChatGPT
ChatGPT thinks. Codex works. Use ChatGPT as the planning brain while keeping the Codex harness.
AI Infra Book
Open-source manuscript of "Deep Understanding of AI Infra: Quantitative Analysis and System Design" by Bojie Li. Quantitatively derives LLM inference and training system designs based on hardware constraints and model architectures. Includes full text, PDF, computational tools, and experiments.
WorkBuddy Guide
An open-source practical guide to WorkBuddy: tutorials, real-world workflows, Skills, MCP, automation, and multi-agent practices.
DSH Routing Suite
dsh-routing-suite — injector + router-standard kit: install the runtime injector first, then the task-aware reasoning-mode router preset (measured P1-P23).
Thinking Orbs
Dotted thought-orb loading indicators for AI & agent UIs, 9 tuned types, two sizes, auto dark/light
J-Space Cognition Suite
J-Space Cognition Suite — a model-agnostic inference-time control suite for deep reasoning, long-horizon work, verification, and recovery. Based on Anthropic's J-space global workspace research.
Data & Databases
Debezium CDC
Debezium is an open-source change data capture platform that streams row-level database changes to applications, typically via Kafka. It is notable for broad database support and low-latency CDC infrastructure.
StarRocks Query Engine
StarRocks is an open-source query engine for sub-second analytics on and off data lakehouses, supporting multi-dimensional, real-time, and ad-hoc queries. It is notable for native vectorized SQL and being a Linux Foundation project with top-tier performance.
Convex Reactive Database
Convex is an open-source reactive database and backend for web app developers, offering a database, server functions, and client libraries with strong consistency via TypeScript. It is notable for its novel app-focused reactive design.
Distributed PostgreSQL
Citus is a PostgreSQL extension that turns Postgres into a distributed database with sharding for high performance at any scale. It is notable for its exceptional engineering and 100% open-source distributed PostgreSQL.
Badger KV Store
BadgerDB is an embeddable, persistent key-value database written in pure Go, used as the storage engine for Dgraph. It is notable for fast performance, ACID transactions with snapshot isolation, and nightly Jepsen-style race tests.
Nebula Graph Database
NebulaGraph is a distributed open-source graph database designed for large-scale data with millisecond latency, horizontal scalability, and high availability. It is notable for its symmetric distributed architecture, storage/compute separation, and OpenCypher compatibility.
Prisma ORM
Prisma is a TypeScript/Node.js ORM supporting PostgreSQL, MySQL, MariaDB, SQL Server, SQLite, MongoDB, and CockroachDB. It is notable for its type-safe API, broad adoption, and active maintenance.
Dev Tools & CLI
LLM Token Optimizer
antiburn is a local desktop app that checks AI coding sessions for token burn causes like deep sessions, excessive model use, broken caching, and unused tools. It supports Claude Code, Codex, Cursor, Copilot, and others.
Markdown Workflow Runner
upmd converts Markdown code blocks into dependency-aware runnable tasks and workflows, executed in a real pseudo-terminal from TUI, CLI, or CI. Output stays beside source, and shell environment changes carry to later tasks.
Privacy Preflight Tool
ShareLint is a local, fail-closed privacy preflight that scans files, folders, and nested archives for secrets, PII, metadata, speaker notes, and hidden content before sharing, without uploading them. It is practical for preventing accidental data leaks.
Markdown Template Language
Knap is a simple template language that converts data into Markdown using variables, filters, and logic, and powers Obsidian Web Clipper and Importer. It executes templates without eval or arbitrary JavaScript.
TUI Connection Manager
ctty is a lightweight Go TUI connection manager handling SSH, serial, SFTP, Telnet, and FTP in one ~5MB binary. It offers GUI-like convenience without Electron overhead.
Binary Analysis Tool
knife is a Rust reverse-engineering toolkit that parses, triages, disassembles PE/ELF/Mach-O binaries and recovers functions/CFG, scans crypto constants and YARA. It merges five tools into one static binary and pinpoints dangerous call sites like memcpy length from subtraction.
TUI Music Player
Mousiki is a customizable terminal music player for local playback and online streaming, featuring spectrum visualizers, synced lyrics, and keyboard-driven controls. It is fast, lightweight, and Apache-2.0 licensed.
Embedded & Hardware
PTP Protocol Book
An open-source book on Precision Time Protocol (IEEE 1588/gPTP) covering protocol internals, LinuxPTP source code analysis, and a hands-on ~1000-line C implementation. It progresses from thought experiments to running code, aimed at readers without prior network protocol knowledge.
AI Embedded Toolset
Skill pack for AI coding assistants covering MCU firmware build, flashing, debugging, serial/protocol monitoring, and pipeline orchestration on Linux, macOS, and Windows; installation requires project analysis and user confirmation before copying skills.
ESP32 Pomodoro Timer
A Pomodoro timer for the Waveshare ESP32-S3-Touch-LCD-3.49 development board. It has a touchscreen interface, three customizable timer profiles for focus and breaks, and custom background support.
IC Design Documents
A Vietnamese-language document collection spanning basic electronics to IC design, focused on front-end RTL/design verification, with supplementary knowledge for other electronics roles. Authored by Phùng Quang Minh, it presents fundamentals in a friendly, systematic way without relying on shortcuts.
AI Embedded Skills
Open-source embedded development and debugging skills for Claude Code, Copilot, TRAE, and other Skill-protocol AI assistants, enabling direct operation of compilers, debuggers, and communication buses from code generation to hardware verification.
Connected Machine Runtime
An Apache-2.0 C runtime for constrained devices like ESP32-class hardware, providing on-device identity, attestation, and BLE-native stablecoin payment primitives. It keeps private keys on-chip, enabling devices to act as transaction parties rather than sensors represented by others.
ESP32 Hardware Sandbox
Sandboxed Lua runtime for ESP32 devices with network hot reload and hardware peripherals exposed through a driver interface, plus an optional managed websocket backend for remote app loading.
Finance & Quant
Personal Finance Dashboard
A self-hosted personal finance dashboard that tracks bank accounts, brokerage, crypto, and net worth in one place. Designed for local use, it supports multi-member families, optional TOTP 2FA, and audit logging, but has not been professionally security audited.
Quants Playbook
A collection reproducing quantitative strategies from Chinese broker research reports, with 100+ strategies spanning timing, factor, value, and portfolio approaches. It uses jqdata and tushare for A-share data, includes backtests, visualizations, and modern machine learning models like Transformer and LSTM.
Crypto Exchange SDK
A Golang SDK wrapper that unifies and standardizes REST API interfaces for cryptocurrency exchanges, supporting OKX and Binance. It provides a v2 module with model definitions and options for building exchange clients.
A-Share Quant System
An out-of-the-box A-share quantitative trading system for individual investors, combining data management, 13 stock selection strategies, 5 timing strategies, backtesting, VaR risk control, and a web UI. It covers 5000+ stocks with up to three years of history.
Stock Analysis System
An LLM-powered multi-market stock analysis system that aggregates quotes, news, and indicators for A/HK/US/JP/KR/TW stocks and ETFs, generating daily decision dashboards. It pushes reports to WeCom, Feishu, Telegram, Discord, Slack, or email on zero-cost scheduled runs.
AI Job List
A daily-updated list of 2027 AI/ML and data science internships and new graduate jobs for college students, prioritizing postings from the last 120 days. It includes over 1,500 roles across FAANG+, quant, and other categories.
Perp DEX Bot
A Bun-powered perpetual DEX trading bot for multiple exchanges, featuring an SMA30 trend engine, Guardian stop sentinel, and two market-making modes. It offers instant restarts, realtime market data, structured logging, and an Ink-based CLI dashboard.
Security
CI/CD Beginner Template
A production CI/CD pipeline template for Node.js projects, with a minimal Fastify service and quality gates, container security, SLSA provenance, cosign signing, and automated release management. It includes ESLint, Prettier, TypeScript checks, Vitest coverage, and Node 22/24 test matrix.
Meme Radar
A local, read-only multi-chain meme candidate scanner and manual review tool. It uses GMGN, GoPlus, and DexScreener to surface evidence on contract risk, liquidity, market cap, and official links across Solana, BNB, Base, Ethereum, Robinhood Chain, Arc, and Stable.
DeepSeek Harness Bridge
A plugin that adds multi-channel remote access and security controls to DeepSeek Harness, including LAN QR connections, Cloudflare or self-hosted tunnels, and WeChat/QQ/Feishu/Telegram bots. It provides protocol-wide authentication, anti-tamper protection, and disaster recovery.
Enterprise System Design
An enterprise distributed systems design course and technical reference for building reliable, secure, operable platforms on Azure, from first principles to production AI workloads. It spans enterprise, distributed, AI, cybersecurity, reliability, cloud, HPC, edge, and mission-critical infrastructure.
React Native Secure WebView
A Fabric-native React Native WebView for authentication, checkout, OAuth, and other controlled web flows. It denies by default, validates top-level navigation against an origin allowlist natively, intercepts custom scheme redirects, and exposes a single string-only web-to-native bridge.