CatNav

ACG is oriented to wiki sites, favoring the inclusion of female characters, anthropomorphic works, and original works (by Chinese-speaking authors).

Duolingo is one of the most popular language learning platforms in the world, and unlike our usual boring way of learning a foreign language, Duolingo offers a new way to learn a foreign language in a fun and educational way, allowing you to learn a foreign language as if you were playing a game, mastering new words, phrases and grammar as you play.

The professional online education platform gathers a large number of high-quality educational institutions and famous teachers, and has many online learning courses such as vocational training, civil service examination, TOEFL and IELTS, certification examination, oral English, primary and secondary education, etc

The leading online practical skills video learning platform in China. There are 3D tutorials, graphic tutorials, multimedia production tutorials, office informatization tutorials, mechanical design tutorials, website production tutorials, computer training and other tutorials.

提供了编程的基础技术教程, 介绍了HTML、CSS、Javascript、Python，Java，Ruby，C，PHP , MySQL等各种编程语言的基础知识。 同时本站中也提供了大量的在线实例，通过实例，您可以更好的学习编程。

Provide various learning courses for you to achieve online self-learning, a learning platform for self-improvement.

IT skills learning platform, the course involves 60 mainstream technical languages such as JAVA, front-end, Python, big data, etc., covering interview employment, career growth, self-improvement and other demand scenarios, helping users to achieve a closed-loop ability from skill improvement to job improvement.

提供设计类的免费教程，如Photoshop、CINEMA 4D、illustrator、Sketch等

It brings together more than 1,000 courses from Tsinghua University, Peking University, Harvard, Yale and other world-renowned universities, covering 22 fields such as science, economics, humanities, and philosophy

The website provides the most up-to-date and complete Emoji search and related information, including emoji meaning, usage examples, Unicode code points, high-resolution images, copy and paste, as well as Emoji big data ranking, vector graphics and dynamic charts, intelligent algorithm sentiment analysis, and emoji linguistic research.

Necessary! The world's largest Chinese web technology tutorial, you can find all the website building tutorials you need.

The online education platform jointly launched by iCourses and NetEase provides a large number of free courses from universities at home and abroad, including computer science, foreign language learning, humanities and social sciences and other fields. The platform adopts self-developed technology and supports a variety of learning modes and interactive methods, allowing students to acquire knowledge and improve their abilities in a flexible and independent learning environment.

An open and free online encyclopedia that aims to create a Chinese knowledge encyclopedia that covers all fields of knowledge and serves all Internet users. Here you can participate in the editing of entries, share and contribute your knowledge.

Provide encyclopedia knowledge search and sharing services, where you can search and consult encyclopedia knowledge, participate in the editing of encyclopedia entries, and share and contribute your knowledge.

Sogou Search is a free, open and shared encyclopedia provided by the majority of users. It aims to create a high-quality content platform that covers all areas of knowledge and serves all Internet users.

We are committed to creating a reliable, comprehensive, and accessible Internet encyclopedia to make general learning easier.

Provide scientific, authoritative and accurate popular science information content and related information, so that scientific and technological knowledge is popular on the Internet and in life, mainly including science headlines, cutting-edge technology, popular science supermarket, health popular science, truth revealing and other sections, as well as excellent popular science websites, popular science columns, mobile popular science, etc.

Provide accurate knowledge quizzes, various encyclopedia quizzes, and life knowledge quizzes.

An entertainment science community based on the meme culture. Here you can keep up with the hot stalks on the Internet, find fresh and hilarious memes, and quickly query the meaning of the stalks you don't understand. There are no riddlers here, no small editors, whether it is a pinyin abbreviation or a niche vernacular, it can help you answer your questions, and it is a must-have manual for surfing the Internet.

An online education platform for art and design, a brand of Zhanku. Provide professional courses and services in the fields of photography, design, painting, film and television, and 3D. Whether you are a zero-based design enthusiast, a newcomer to the industry, or a self-driven advanced design practitioner, you can pass more than 3,000 all-inclusive online courses.

An online self-learning platform focusing on design training, committed to creating a full range of self-learning content from theory to the workplace for every user, the website currently provides indoor, graphic, e-commerce, UI, film and television, workplace office and other boutique design video tutorials, for every learner who loves design and wants to learn practical skills, provides intimate one-stop learning services.

The content of the resources is reviewed by People's Daily Online.

We have created a professional free Japanese language learning website, including beginner Japanese learning, studying in Japan, Japanese speaking, Japanese listening, Japanese songs, Japanese listening, Japanese language proficiency test, and Japanese culture.

Accompany your flower life. Influencers and flower friends share professional flower raising knowledge, tips and pictures every day. Let you become a flower master in 30 days!