Catalyst is a fully New Zealand owned company, directed and staffed by bright and intelligent Information Technology experts who deliver critical open source business systems to some of NZ's largest organisations.
GeSHi is what it says on the box: a generic syntax highlighter. And an award-winning one at that. It started life in New Zealand as a project of Nigel McNie and has since attracted numerous contributors who have added support for dozens of programming languages.
Xinha is a well-regarded WYSIWYG HTML editor component for use in web browsers. By being highly configurable and extensible, Xinha makes it straightforward to build just the right editor for the job to hand in your web application.