The Groovy/Grails Tool Suite is a complete Eclipse-based development environment optimized for developing, debugging and executing Groovy and Grails applications. It supports application targeting to local, virtual and cloud-based servers. Included with the Groovy/Grails Tool Suite is the developer edition of Pivotal tc Server, the drop-in replacement for Apache Tomcat.
Blinged JSON Validator is a free app to validate JSON files with syntax highlighting, whitespace indentation, error messaging, and hotkeys.
