Contact the core Jetty developers at
www.webtide.com
private support for your internal/customer projects ... custom extensions and distributions ... versioned snapshots for indefinite support ...
scalability guidance for your apps and Ajax/Comet projects ... development services from 1 day to full product delivery
Useful web developer tools
These tools are nothing specifically to do with Jetty, they're just a list of the tools that we find useful in developing and diagnosing misbehaving webapps: