WriterDuet

A simple and intuitive interface lets you dive into writing instantly on the go or as you lay in bed and stare at your phone screen (check out dark editor if that's you). While we've focused on ease of use for mobile, we also haven't restricted you from taking advantage of all of the power that WriterDuet has to offer on other platforms. So go wild!
Industry-standard, secure, and intuitive screenwriting software.
Features:

• Real-time collaboration between users and devices
• Smart line types and one-touch icons
• Auto-save
• Card outliner
• Export from any point in history
• Offline mode
• Filter by line type or with custom tags
• Scene & Location, Character Reports
• Automatic statistics
• Revision Drafts and Auto-Snapshots

Testimonials:
"WriterDuet is the most intuitive, most user-friendly scriptwriting software I’ve ever used.”
– Ed Solomon (Men in Black, Bill & Ted’s Excellent Adventure)
“WriterDuet helped me escape Final Draft. Being web-based gives me the flexibility to write anywhere on any system. And I never have to worry about crashes and lost hours of work ever again. ... I recommend it to every other screenwriter I meet.”
– Christopher Ford (SpiderMan: Homecoming, Robot & Frank)
“The app saves my whole thought process for me. On top of that, these guys are iterating the app so fast, they're running circles around the industry leader. WriterDuet definitely feels like the future.”
– Andy Bobrow (Community, Malcolm in the Middle, Last Man On Earth)
"WriterDuet combines instinct and user-friendliness for a unique and exhilarating way for writers to collaborate, whether in real-time or in non-synchronized work. It has features that are vital for teamwork in scriptwriting. It's a meticulously-created gem, and a must-have for collaborations"
- Jim Uhls (Fight Club)
“Do yourself a favor and use WriterDuet.”
– Alisha Brophy & Scott Miles (Nicholl Fellowship 2014 winners, White Girl Problems)