What is IntelliJ ultimate?
The free IntelliJ IDEA Community Edition, for which the open source code is a foundation, is to manage JVM development. They have designed the paid IntelliJ IDEA Ultimate to manage both enterprise and full-stack development. This absolutely supports a number of frontend and backend technologies and frameworks. This would include an HTTP client, database and profiling tools, and different number of features for every professional developer: Download IntelliJ IDEA – The Leading Java and Kotlin IDE