A variety of tools are available for download, once you’re ready to move beyond DartPad.
All development requires the Dart SDK. Dartium is optional but helpful for developing web apps.
If you don’t already have a favorite IDE, we recommend WebStorm, which comes with Dart support. You can also use a plugin to add Dart support to other JetBrains IDEs.
The Dart plugins for these tools are unsupported and available as open source.
These tools are in the Dart SDK.
Also see the Tools FAQ.
Many fine tools have been developed by the Dart community. This page highlights one of them. You can find other projects and tools on GitHub.