Open-source codebase for the world's famous free coding platform, offering complete curricula from beginner to full-stack development.

A comprehensive guide to system design, helping you ace big tech interviews with included flashcards.

This tool lets you automate tasks like building blocks, connecting various apps with code and AI support, keeping data under your control without subscription fees.

A platform that lets anyone easily build AI apps with minimal coding, turning large models into practical tools via drag-and-drop.

This is a curated list of free computer science video courses from top universities globally, saving you search time and leading directly to the knowledge you want, covering basics to advanced topics.

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

An open-source AI assistant that can actually write code, run tests, and fix bugs, like having a tireless programming partner.

A tool that lets you easily fine-tune 100+ large language models with web and CLI support, training custom AIs without writing code.

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.

Microsoft's open-source voice AI toolkit that converts long audio to text and text to natural speech, supporting multiple languages.

A JavaScript library that makes HTML5 Canvas interactive like DOM elements, perfect for graphics editors or animations.

A collection of configuration files for TVBox and similar apps, enabling free access to live TV and on-demand movies on your smart TV or Android box.