Celtx

Celtx is a client-server software application used by over 250,000 media creators for the pre-production of film, video, tv, theatre, animation, game development and new media. Celtx provides the tools required by creative people to research, conceptualize, write, plan, manage and share their projects with others, on or offline.

Based on next generation semantic software, Celtx operates under an open-source friendly business model and adheres to open software standards.