When comparing Final Draft vs Trelby, the Slant community recommends Final Draft for most people. In the question“What is the best screenwriting software?” Final Draft is ranked 5th while Trelby is ranked 6th.
Ranked in these QuestionsQuestion Ranking
Pro Collabowriter allows two people to work on the same document at the same time
Pro Industry standard
Pro Built-in collaboration tools
Pro Text-to-speech support
Pro Lots of templates
Final Draft comes bundled with over 100 screenplay, teleplay and stageplay example templates.
Pro Available on Windows, OS X and iOS
Final Draft is available on Windows and OS X with companion applications available for the iPad and iPhone.
Pro Free, open source and cross-platform
Trelby is available absolutely free for Windows and Linux with source code available on GitHub.
Pro Has a character name database
A character name database with 200k+ names from various countries is built into Trelby.
Pro Can highlight differences between different versions of a script
Pro Final Draft compatible
Can import and export .fdx files.
Con Companion apps for iOS have to be purchased separately
Con No built-in way of sharing documents
Con Lacks support for AV multi-col templates
Con Dated UI
The OS X and Windows versions of the software cost $249.
Con No longer maintained
Right now in 2018, most recent updates are from three or more years ago. This creates problems installing the .deb releases on certain linux distros, and means it probably wont be getting long term support anymore.
Con Can't use bold, italic, underline
Con English only
Trelby supports the ISO-8859-1 character set, any characters that are outside of that set are not supported.
Con No online collaboration capabilities
Con Lacks revision tracking
Con No OSX version
Trelby is only available on Windows and Linux.