A website offering interactive learning roadmaps to help developers plan their technical growth across fields like frontend, backend, AI, and more.

A comprehensive study roadmap for acing tech interviews at top companies, covering data structures, algorithms, and core CS concepts to save you from blind studying.

This is a comprehensive collection of classic algorithms implemented in Python, suitable for students and job seekers to practice programming basics and prepare for technical interviews, with clear and runnable code.

A Microsoft open-source Python tool that quickly converts common files like PDF, Word, and Excel to Markdown, specifically designed for AI model consumption.

Allows AI to control browsers like humans, automating web tasks like research and forms without complex coding. Great for users exploring AI automation.

Union is a secure bridge connecting different blockchains, using zero-knowledge proofs to transfer assets and data without trusting third parties.

An open-source tool that converts complex documents like PDFs and Office files into AI-readable Markdown, helping you easily extract content and structure.

An open-source project simulating an AI hedge fund, featuring AI avatars of 19 investment masters like Buffett to analyze stocks and make decisions, for learning and entertainment only.

An open-source all-in-one backend platform that handles user login, databases, and file storage for you, so you don't need to build servers from scratch.

A free global intelligence dashboard using AI to aggregate news, monitor geopolitics, and track infrastructure, helping you track world dynamics like a pro.

A lightweight CLI proxy that automatically filters terminal output before AI coding assistants read it, cutting LLM token costs by 60-90%.

A local-first code analysis tool that turns your project files into an interactive relationship graph, helping you quickly understand code structure and dependencies without sending data to the cloud.

An open-source context database for AI agents, managing memory, resources, and skills like files to make AI smarter.

A lightweight tool that enables debugging mobile web pages like desktop browsers, allowing you to view logs, network requests, and page structures, especially for WeChat development.

Velero is a backup and migration tool for Kubernetes clusters, helping you save apps and data, recover from issues, and move environments to other clouds.

A full-stack low-code web framework built with Python and JavaScript, ideal for rapidly developing enterprise applications and internal management systems with built-in admin and permissions.

This tool enables AI coding assistants (like Claude Code) to understand your entire codebase via semantic search, pinpointing relevant code without feeding the whole project to AI, saving money and boosting efficiency.

An AI toolkit for architects to automate governance, vendor procurement, and design reviews, keeping documents and workflows organized.