celtx is simple, easy to use software designed for people who work in Film, TV, Theater and New Media. It enables you to work digitally on script based projects, either on your own or collaboratively with project team members. Internet Intelligence: celtx is specifically designed for the Internet. celtx runs “inside” a web browser using the Mozilla Application Framework to create a web intelligent, collaborative environment. celtx application components are based on modules that are Internet aware. This means celtx can easily integrate with existing Web technologies and is highly adaptable to new ones.