With this online free screenwriting software, you get a story and revision tracking tool that allows you to track and compare various drafts. Trelby is known for its fast and straightforward working mechanism and is completely free of issues related to watermarks, script limits, and locked features. Read Also: Best Free Screen Recorder Software For Windows It is specially designed to suit Windows and Linux platforms and comes with several editing and formatting tools that can be easily customized. Recommended by many experts, Treble is open-source software and is 100 percent free of cost. Here, at Tech Pout, we’ve shortlisted 16 top-rated screenwriting applications that will level-up your writing creativity! 1. Make your writing process even more simple than ever through the best screenwriting software. Arc Studio Pro Top Free Screenwriting Software For Filmmakers & Writers