goland

GoLand, a JetBrains IDE, is a powerful integrated development environment that makes Go development a more productive and enjoyable experience. GoLand offers a set of features such as intelligent code completion, safe refactorings with one-step undo, a powerful built-in debugger, and on-the-fly error detection with quick fixes.

GoLand is available for a free 30-day evaluation for individuals or a 60-day trial for teams.

Monthly and yearly subscription options are available for companies and individuals: https://www.jetbrains.com/go/buy