The world's most ubiquitous word processor. While it offers unmatched features for academic citations, mail merge, and complex legal formatting, its heavy interface and recurring subscription cost make it overkill for casual writers.

The definitive project management tool for authors, researchers, and screenwriters. In 2025, it maintains its lead with advanced 'Snapshots' for version control and a powerful 'Binder' for non-linear writing. While it offers unmatched depth, its complexity and reliance on manual file syncing can be overwhelming for casual or mobile-first writers.