Best business writing assistance tools in 2025

Enhance writing with grammar checks, rephrasing, and vocabulary suggestions.
Free
open

Writing assistant for grammar and style improvement.
Paid
+ from $5.00/m
open

Generate and enhance text directly within Google Docs.
Free
open

AI assistant for enhancing communication in Slack.
Free
+ from $10/m
open

AI-driven generator for personalized job application letters.
Free
+ from €9.60/m
open

Elevate writing with grammar checks and style suggestions.
No pricing info
open
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