My favourite dev tool? I would't be able to do my work without any tool, which's in the list. I love IntelliJ IDEA & Webstorm, Java, JavaFX, Maven, Git & Gitlab, TeamCity, Upsource, YouTrack, Artifactory, wtf that list's kinda the complete tech stack. But I completly hate AWT & Swing (AWT fucks up on my Linux install, such a frame creates in about 10-20 seconds, if you test the app locally, you loose approximately 15 seconds per minute, and Swing uses AWT internally too), I hate Gradle (screw Google for standardizing it), and so on. Wow that's like my complete tech stack, what the fuck happend? The question was one tool, help me.

!rant
I fucking hate maven and its shitty principles and the pain in the ass it fucking is to fucking use a dependency from another fucking repo that isn't in your fucking artifactory yet and how it can't fucking resolve it even when you downloaded it manually to your fucking m2 cache