Scrivener - Scrivener is a content-generation tool for composing and structuring documents.
ftrack - ftrack is an Academy award-winning cloud-based project management solution used in the media and entertainment industry.
Celtx - Celtx is a scriptwriting software platform with applications in a wide range of mediums but that specializes in helping screenwriters.
Yamdu - Cloud-based film production management software for film, television and commercials.
Trelby - The free, multiplatform, feature-rich screenwriting program!
Phraseanet - Phraseanet is a Digital Asset Management system (DAM for short) targeting the professionals needs.