🏆 Our Verdict
Trelby is a solid, user-friendly screenwriting software that distinguishes itself through its simplicity and lack of cost. As an open-source tool, Trelby offers screenwriters a straightforward, functional approach to writing scripts without the clutter or complexity of more expensive software. It lacks some of the advanced features and industry recognition of Final Draft, but for those new to screenwriting or those who prefer simplicity and cost-effectiveness, Trelby is an excellent choice.
✅ Pros & ❌ Cons
Pros
- Open Source and Free: No cost to download or use, with source code available for modification.
- Cross-Platform Compatibility: Available for both Windows and Linux, making it accessible to a wide range of users.
- Simple, Clean Interface: Easy to navigate for beginners without overwhelming features.
- Active Community Support: Benefits from an open-source community providing updates and support.
Cons
- Limited Features: Lacks some of the advanced tools and functionalities found in more robust software like Final Draft.
- No Native macOS Support: Mac users must use third-party software to run Trelby, which can be inconvenient.
- Minimal Collaboration Tools: Does not support real-time collaboration or cloud-based features.
- Outdated Design: Some users may find the interface dated compared to newer screenwriting programs.
📖 About
Trelby is an open-source screenwriting program designed to be straightforward and functional. It supports standard screenplay formatting, offers a variety of import and export options, and includes tools for scene organization and script reports, making it suitable for both amateur and professional writers.
🗓️ How It Works

- Download and Install: Easily downloadable from Trelby’s official website, installable on Windows and Linux systems.
- Setup Your Script: Start a new script with pre-formatted templates that meet industry standards.
- Write and Edit: Utilize intuitive tools to write and format your screenplay correctly.
- Organize: Manage your script effectively with scene management and character tracking tools.
- Export and Share: Trelby allows you to export your script in multiple formats, including PDF and Final Draft, for easy sharing with others.
💲 Pricing Overview
Trelby is completely free. There are no hidden fees, subscriptions, or premium features, making it one of the most accessible screenwriting tools on the market.
🥊 Competition

| Feature | Trelby | Final Draft |
|---|---|---|
| Cost | Free | $249.99 |
| Platform Compatibility | Windows, Linux | Windows, macOS |
| Collaboration | None | Advanced collaboration tools |
| Interface | Basic, straightforward | Modern, comprehensive |
| Industry Adoption | Low | High, industry standard |
🔀 A feature-richer open-source alternative
Trelby keeps things deliberately minimal, which is a feature rather than a flaw. Writers who want the same free, cross-platform spirit but with built-in research, mind maps, and cards often move to KIT Scenarist. The import path is clean: KIT reads Trelby files directly, so switching later does not mean rewriting a script.
📌 Conclusion
Trelby offers a compelling option for those seeking a straightforward, no-cost solution to screenwriting. While it may not carry the advanced features of high-end software like Final Draft, its commitment to simplicity and accessibility makes it a valuable tool for writers who want to focus on crafting their stories without financial burden or steep learning curves.
Trelby: Screenwriting Simplified
Mac-native alternative: Trelby is free and cross-platform. If you work on a Mac and want a faster, more polished editor, Highland 2 is the streamlined, Fountain-based option built for Mac.
Related read: Trelby stays close to the screenplay itself and runs on Windows and Linux. If you want scene cards and a character bible in the same app, Kit Scenarist covers that ground on all three platforms, though its development moved to the successor Story Architect in 2023.