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A little curiosity. A world of open source.
THE FIRST COLLECTIONOutline is a fast, real‑time collaborative knowledge base for teams. Built with React and Node.js, it supports markdown, offers hosted and self‑hosted deployments via Docker, and includes extensive documentation, translation, and contribution guidelines.
A curated collection of single-file cheatsheets covering popular programming languages, backend and frontend frameworks, databases, and development tools, with a website directory and open contribution via pull requests.
Code随想录 (LeetCode-Master) is a structured LeetCode study plan covering data structures and algorithms, with 200+ curated problems, detailed图文 solutions, and video lectures, supporting C++、Java、Python and other languages.
Free index of Chinese programming books covering operating systems, AI, Web, algorithms, and various programming languages, with community contributions.
Joplin is a free, open-source, privacy-focused note-taking and to-do application that supports Markdown and cross-platform synchronization.
A curated collection of 500 React interview questions and answers covering core concepts, hooks, Redux, routing, testing and more, aimed at helping developers prepare for React job interviews.
Nextcloud is a self-hosted server platform designed to provide a secure environment for storing, syncing, and sharing files, contacts, and calendars.
An interactive visual learning platform designed to make algorithms and data structures easy to understand through step-by-step animations, custom inputs, and playback controls.
Front End Interview Handbook: an open-source collection of front-end interview preparation materials covering interview formats, system design, trivia, coding questions and company-specific questions, with translations into several languages.
The open-source codebase and curriculum for freeCodeCamp.org, a non-profit platform providing free, self-paced certifications in full-stack web development and machine learning.
Comprehensive guide covering vast tech areas, helping professionals and students gain knowledge and resolve doubts for tech careers.
A collection of coding articles and snippets designed to help developers improve their skills through practical examples and explanations.
A curated list of programming tutorials for learning by building real applications from scratch, organized by programming language and covering compilers, kernels, games, web and mobile apps.
