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The JavaScript Database, for Node.js, nw.js, electron and the browser

mimalloc is a compact general purpose allocator with excellent performance.

Scalene: a high-performance, high-precision CPU, GPU, and memory profiler for Python with AI-powered optimization proposals

🌱 a fast, batteries-included static-site generator that transforms Markdown content into fully functional websites

Mealie is a self hosted recipe manager and meal planner with a RestAPI backend and a reactive frontend application built in Vue for a pleasant user experience for the whole family. Easily add recipes into your database by providing the url and mealie will automatically import the relevant data or add a family recipe with the UI editor

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

LuLu is the free open-source macOS firewall

React notification made easy 🚀 !

✍ WeChat Markdown Editor | 一款高度简洁的微信 Markdown 编辑器：支持 Markdown 语法、自定义主题样式、内容管理、多图床、AI 助手等特性

Jupyter Interactive Notebook

Postgres CLI with autocompletion and syntax highlighting

The source code for 2048

A high-performance web server and reverse proxy, 100% compatible with nginx.

Prevents you from committing secrets and credentials into git repositories

JavaScript Robotics and IoT programming framework, developed at Bocoup.

Powerlevel9k was a tool for building a beautiful and highly functional CLI, customized for you. P9k had a substantial impact on CLI UX, and its legacy is now continued by P10k.

Cataclysm - Dark Days Ahead. A turn-based survival game set in a post-apocalyptic world.

Open-source, self-hosted alerting for metrics, logs, and databases. Includes a built-in AI agent and MCP server.

A free, secure and open source app for Android to manage your 2-step verification tokens.

Gradio WebUI for creators and developers, featuring key TTS (Edge-TTS, kokoro) and zero-shot Voice Cloning (E2 & F5-TTS, CosyVoice), with Whisper audio processing, YouTube download, Demucs vocal isolation, and multilingual translation.

Text-mode interface for git

JavaScript parser / mangler / compressor / beautifier toolkit

Advanced Python Mastery (course by @dabeaz)

Official repository of Trino, the distributed SQL query engine for big data, formerly known as PrestoSQL (https://trino.io)

Documentation and Samples for the Official HN API

Static site generator that supports Markdown and reST syntax. Powered by Python.

darktable is an open source photography workflow application and raw developer

LangChain4j is an idiomatic, open-source Java library for building LLM-powered applications on the JVM. It offers a unified API over popular LLM providers and vector stores, and makes implementing tool calling (including MCP support), agents and RAG easy. It integrates seamlessly with enterprise Java frameworks like Quarkus and Spring Boot.

The ultimate LLM/AI application development framework in Go.

The OWASP Mobile Application Security Testing Guide (MASTG) is a comprehensive manual for mobile app security testing and reverse engineering. It describes technical processes for verifying the OWASP Mobile Security Weakness Enumeration (MASWE) weaknesses, which are in alignment with the OWASP MASVS.