Determine what kind of forum you need, but here are some you think might be useful: 1. Reddit(Reddit .)-Reddit is a social news aggregation that allows users to create and share content and discuss and interact on different topics. There are various communities on Reddit, and you can find almost everything you are interested in. 2.Quora(.quora.)- Quora is a question-and-answer social platform for users to ask questions, answer and comment. This is a very comprehensive platform, and you can seek answers in almost any field. 3. Khan Academy (khanacademy. org)- Khan Academy is an online education platform that provides a wide range of educational resources, including courses in mathematics, science and computer science. This is an excellent platform for self-learners and students. 4. ted (ted.)-ted is a non-profit organization concerned with the dissemination of ideas, and has delivered many excellent speeches, which can inspire, stimulate thinking and stimulate action. Coursera (.coursera.org)-Coursera is an online education platform that offers thousands of courses or fees, allowing users to study in various fields, including computer science, business, art and science. 6.GitHub(GitHub .)-GitHub is an Internet-based code hosting platform that allows developers to store, share and cooperate in developing code. If you are interested in programming, or need to find a code partner, this is a good place. 7. Stack overflow (stack overflow. ) -Stack overflow is a question-and-answer community, which provides answers to help solve various problems in programming. If you need to solve some programming problems, or want to find answers to similar problems, stack overflow can help you.