What are the most useful conferences for developers?

From the AWS Global Summits, which are free events, PyCon US, Big Data LDN and Microsoft 365 Conference, which is currently happening at MGM Grand in Las Vegas, there are countless of conferences and summits for developers to attend to learn about various topics. Whether it be AWS, machine learning, AI, C++, or Python, there is a conference for you. But with the admission tickets, plane flights, hotels, and other costs you'd have to spend during these trips, everyone always looks for the best conferences to attend. After all, no one has the budget nor time to simply attend them all.

Which, in your opinion, do you get the most for your expenses? The most bang for your buck? Let us know in the comments below.

Happy coding!