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Writing Tools
Hotkey AI proofreading and rewriting in any app, free and open source.
PriceFree
PlanFree (GPL-3.0)
Cheapest first year$0
Made byOpen source
PlatformsWindows, Mac, Linux
You give upYou set up an AI key (Gemini has a free tier) or a local model; no underlining as you type.
ReplacesGrammarly
CategoryWriting help
✓ Price checked 2026-10-25 Read on the official pricing page. · Who makes it
Note: Built by a student developer. Cloud AI providers may charge their own fees.
Against Grammarly, Writing Tools saves $360 in the first year. Compare side by side →