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

Python tool for converting files and office documents to Markdown.

A list of useful payloads and bypass for Web Application Security and Pentest/CTF

🙌 OpenHands: AI-Driven Development

Free, open source crypto trading bot

The Big List of Naughty Strings is a list of strings which have a high probability of causing issues when used as user-input data.

Developer-first error tracking and performance monitoring

aider is AI pair programming in your terminal

🦔 PostHog is an all-in-one developer platform for building successful products. We offer product analytics, web analytics, session replay, error tracking, feature flags, experimentation, surveys, d…

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

Best and simplest tool for website change detection, web page monitoring, and website change alerts. Perfect for tracking content changes, price drops, restock alerts, and website defacement monito…

Community-contributed instructions, agents, skills, and configurations to help you make the most of GitHub Copilot.

Maple Mono: Open source monospace font with round corner, ligatures and Nerd-Font icons for IDE and terminal, fine-grained customization options. 带连字和控制台图标的圆角等宽字体，中英文宽度完美2:1，细粒度的自定义选项

Zulip server and web application. Open-source team chat that helps teams stay productive and focused.

gpt-oss-120b and gpt-oss-20b are two open-weight language models by OpenAI

tiktoken is a fast BPE tokeniser for use with OpenAI's models.

LLM Council works together to answer your hardest questions

Specification and documentation for Agent Skills

E-mails, subdomains and names Harvester - OSINT

State-of-the-art TTS model under 25MB 😻

CTF framework and exploit development library

A monospaced programming font inspired by the Minecraft typeface

A research prototype of a human-centered web agent

A framework for building, orchestrating and deploying AI agents and multi-agent workflows with support for Python and .NET.

RSA attack tool (mainly for ctf) - retrieve private key from weak public key and/or uncipher data

The Pokémon API

Google CTF

The first AI agent that builds permissionless integrations through reverse engineering platforms' internal APIs.

Google Calendar Command Line Interface

linuxprivchecker.py -- a Linux Privilege Escalation Check Script